Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Flanges
What is Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Flanges
ASTM A350 LF1 grade is the most powerful and ductile grade. ASTM A350 LF1 grade is made with excellent quality grade and material which provides extra ductility and strength to the grade. ASTM A350 LF1 is the most heavily alloyed metal. This metal is enriched with extraordinary properties and characteristics.
ASTM A350 LF1 is made from an extraordinary element composition which includes a high amount of elements which are important for improving the ductility and strength of the grade.
These ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 flanges are heavily alloyed and enriched with high endurance. It can easily resist extirpation and provide great service.

Carbon Steel ASTM A350 Flanges, 150# ANSI Carbon Steel A350 LF2 Flanges, Carbon Steel Flanges, Carbon Steel A350 LF2 Nippo Flanges, CS ASTM A350 Socket weld Flanges.
Sumit Impex is an ideal and trusted manufacturer of ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 . These flanges are extremely welded and it also supports pitting. These flanges are available in various sizes, shapes and dimensions. We provide you with the widest range of flanges.
These flanges are commonly used for joining two or more pipes, pumps and valves together. These flanges are considered as the most ideal application for high heat applications. ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 flanges are made from an extraordinary combination that includes elements like carbon, chromium, silicon, nickel and other unique chemicals which are used for strengthening the flange. These flanges are commonly applicable in industries like pharmaceutical, petrochemical, chemical manufacturing industries and much more.
Specification:- Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Flanges
Specification | ASTM A694 / ASME SA694 |
Dimension Standard | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
Size | 1/2" (15 NB) to 48" (1200NB) |
Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
DIN Flanges | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673. |
JIS Flanges | JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K |
BS Flanges | BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H. |
Dimensions:- Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Flanges
- Class 150 Flanges
- Class 300 Flanges
- Class 400 Flanges
- Class 600 Flanges
- Class 900 Flanges
- Class 1500 Flanges
- Class 2500 Flanges
Class 150 Flanges

Nom. Pipe Size | O | T | R | X | No./Dia. of Holes | Bolt Circle Dia. | L2 | H | B2 | L | B | r | L3 | B3 | D |
1/2 | 3.5 | 0.44 | 1.38 | 1.19 | 4-0.62 | 2.38 | 1.88 | 0.84 | 0.62 | 0.62 | 0.88 | 0.12 | 0.62 | 0.9 | 0.38 |
3/4 | 3.88 | 0.5 | 1.69 | 1.5 | 4-0.62 | 2.75 | 2.06 | 1.05 | 0.82 | 0.62 | 1.09 | 0.12 | 0.62 | 1.11 | 0.44 |
1 | 4.25 | 0.56 | 2 | 1.94 | 4-0.62 | 3.12 | 2.19 | 1.32 | 1.05 | 0.69 | 1.36 | 0.12 | 0.69 | 1.38 | 0.5 |
1-1/4 | 4.62 | 0.62 | 2.5 | 2.31 | 4-0.62 | 3.5 | 2.25 | 1.66 | 1.38 | 0.81 | 1.7 | 0.19 | 0.81 | 1.72 | 0.56 |
1-1/2 | 5 | 0.68 | 2.88 | 2.56 | 4-0.62 | 3.88 | 2.44 | 1.9 | 1.61 | 0.88 | 1.95 | 0.25 | 0.88 | 1.97 | 0.62 |
2 | 6 | 0.75 | 3.62 | 3.06 | 4-0.75 | 4.75 | 2.5 | 2.38 | 2.07 | 1 | 2.44 | 0.31 | 1 | 2.46 | 0.69 |
2-1/2 | 7 | 0.88 | 4.12 | 3.56 | 4-0.75 | 5.5 | 2.75 | 2.88 | 2.47 | 1.12 | 2.94 | 0.31 | 1.12 | 2.97 | 0.75 |
3 | 7.5 | 0.94 | 5 | 4.25 | 4-0.75 | 6 | 2.75 | 3.5 | 3.07 | 1.19 | 3.57 | 0.38 | 1.19 | 3.6 | 0.81 |
3-1/2 | 8.5 | 0.94 | 5.5 | 4.81 | 8-0.75 | 7 | 2.81 | 4 | 3.55 | 1.25 | 4.07 | 0.38 | 1.25 | 4.1 | 0.88 |
4 | 9 | 0.94 | 6.19 | 5.31 | 8-0.75 | 7.5 | 3 | 4.5 | 4.03 | 1.31 | 4.57 | 0.44 | 1.31 | 4.6 | 0.94 |
5 | 10 | 0.94 | 7.31 | 6.44 | 8-0.88 | 8.5 | 3.5 | 5.56 | 5.05 | 1.44 | 5.66 | 0.44 | 1.44 | 5.69 | 0.94 |
6 | 11 | 1 | 8.5 | 7.56 | 8-0.88 | 9.5 | 3.5 | 6.63 | 6.07 | 1.56 | 6.72 | 0.5 | 1.56 | 6.75 | 1.06 |
8 | 13.5 | 1.12 | 10.62 | 9.69 | 8-0.88 | 11.75 | 4 | 8.63 | 7.98 | 1.75 | 8.72 | 0.5 | 1.75 | 8.75 | 1.25 |
10 | 16 | 1.19 | 12.75 | 12 | 12-1.00 | 14.25 | 4 | 10.75 | 10.02 | 1.94 | 10.88 | 0.5 | 1.94 | 10.92 | 1.31 |
12 | 19 | 1.25 | 15 | 14.38 | 12-1.00 | 17 | 4.5 | 12.75 | 12 | 2.19 | 12.88 | 0.5 | 2.19 | 12.92 | 1.56 |
14 | 21 | 1.38 | 16.25 | 15.75 | 12-1.12 | 18.75 | 5 | 14 | 13.25 | 2.25 | 14.14 | 0.5 | 3.12 | 14.18 | 1.63 |
16 | 23.5 | 1.44 | 18.5 | 18 | 16-1.12 | 21.25 | 5 | 16 | 15.25 | 2.5 | 16.16 | 0.5 | 3.44 | 16.19 | 1.75 |
18 | 25 | 1.56 | 21 | 19.88 | 16-1.25 | 22.75 | 5.5 | 18 | 17.25 | 2.69 | 18.18 | 0.5 | 3.81 | 18.2 | 1.94 |
20 | 27.5 | 1.69 | 23 | 22 | 20-1.25 | 25 | 5.69 | 20 | 19.25 | 2.88 | 20.2 | 0.5 | 4.06 | 20.25 | 2.13 |
22 | 29.5 | 1.81 | 25.25 | 24.25 | 20-1.38 | 27.25 | 5.88 | 22 | 21.25 | 3.13 | 22.22 | 0.5 | 4.25 | 22.25 | 2.38 |
24 | 32 | 1.88 | 27.25 | 26.12 | 20-1.38 | 29.5 | 6 | 24 | 23.25 | 3.25 | 24.25 | 0.5 | 4.38 | 24.25 | 2.5 |
Class 300 Flanges

Nom. Pipe Size | O | T | R | X | No. & Dia. of Holes | Bolt Circle Dia. | L2 | H | B2 | L | B | r | L3 | B3 | D | C | THr |
1/2 | 3.75 | 0.56 | 1.38 | 1.5. | 4-0.62 | 2.62 | 2.06 | 0.84 | 0.62 | 0.88 | 0.88 | 0.12 | 0.88 | 0.9 | 0.38 | 0.93 | 0.62 |
3/4 | 4.62 | 0.62 | 1.69 | 1.88 | 4-0.75 | 3.25 | 2.25 | 1.05 | 0.82 | 1 | 1.09 | 0.12 | 1 | 1.11 | 0.44 | 1.14 | 0.62 |
1 | 4.88 | 0.69 | 2 | 2.12 | 4-0.75 | 3.5 | 2.44 | 1.32 | 1.05 | 1.06 | 1.36 | 0.12 | 1.06 | 1.38 | 0.5 | 1.41 | 0.69 |
1-1/4 | 5.25 | 0.75 | 2.5 | 2.5 | 4-0.75 | 3.88 | 2.56 | 1.66 | 1.38 | 1.06 | 1.7 | 0.19 | 1.06 | 1.72 | 0.56 | 1.75 | 0.81 |
1-1/2 | 6.12 | 0.81 | 2.88 | 2.75 | 4-0.88 | 4.5 | 2.69 | 1.9 | 1.61 | 1.19 | 1.95 | 0.25 | 1.19 | 1.97 | 0.62 | 1.99 | 0.88 |
2 | 6.5 | 0.88 | 3.62 | 3.31 | 8-0.75 | 5 | 2.75 | 2.38 | 2.07 | 1.31 | 2.44 | 0.31 | 1.31 | 2.46 | 0.69 | 2.5 | 1.12 |
2-1/2 | 7.5 | 1 | 4.12 | 3.94 | 8-0.88 | 5.88 | 3 | 2.88 | 2.47 | 1.5 | 2.94 | 0.31 | 1.5 | 2.97 | 0.75 | 3 | 1.25 |
3 | 8.25 | 1.12 | 5 | 4.62 | 8-0.88 | 6.62 | 3.12 | 3.5 | 3.07 | 1.69 | 3.57 | 0.38 | 1.69 | 3.6 | 0.81 | 3.63 | 1.25 |
3-1/2 | 9 | 1.19 | 5.5 | 5.25 | 8-0.88 | 7.25 | 3.19 | 4 | 3.55 | 1.75 | 4.07 | 0.38 | 1.75 | 4.1 | - | 4.13 | 1.44 |
4 | 10 | 1.25 | 6.19 | 5.75 | 8-0.88 | 7.88 | 3.38 | 4.5 | 4.03 | 1.88 | 4.57 | 0.44 | 1.88 | 4.6 | - | 4.63 | 1.44 |
5 | 11 | 1.38 | 7.31 | 7 | 8-0.88 | 9.25 | 3.88 | 5.56 | 5.05 | 2 | 5.66 | 0.44 | 2 | 5.69 | - | 5.69 | 1.69 |
6 | 12.5 | 1.44 | 8.5 | 8.12 | 12-0.88 | 10.62 | 3.88 | 6.63 | 6.07 | 2.06 | 6.72 | 0.5 | 2.06 | 6.75 | - | 6.75 | 1.81 |
8 | 15 | 1.62 | 10.62 | 10.25 | 12-1.00 | 13 | 4.38 | 8.63 | 7.98 | 2.44 | 8.72 | 0.5 | 2.44 | 8.75 | - | 8.75 | 2 |
10 | 17.5 | 1.88 | 12.75 | 12.62 | 16-1.12 | 15.25 | 4.62 | 10.75 | 10.02 | 2.62 | 10.88 | 0.5 | 3.75 | 10.92 | - | 10.88 | 2.19 |
12 | 20.5 | 2 | 15 | 14.75 | 16-1.25 | 17.75 | 5.12 | 12.75 | 12 | 2.88 | 12.88 | 0.5 | 4 | 12.92 | - | 12.94 | 2.38 |
14 | 23 | 2.12 | 16.25 | 16.75 | 20-1.25 | 20.25 | 5.62 | 14 | 13.25 | 3 | 14.14 | 0.5 | 4.38 | 14.18 | - | 14.19 | 2.5 |
16 | 25.5 | 2.25 | 18.5 | 19 | 20-1.38 | 22.5 | 5.75 | 16 | 15.25 | 3.25 | 16.16 | 0.5 | 4.75 | 16.19 | - | 16.19 | 2.69 |
18 | 28 | 2.38 | 21 | 21 | 24-1.38 | 24.75 | 6.25 | 18 | 17.25 | 3.5 | 18.18 | 0.5 | 5.12 | 18.2 | - | 18.19 | 2.75 |
20 | 30.5 | 2.5 | 23 | 23.12 | 24-1.38 | 27 | 6.38 | 20 | 19.25 | 3.75 | 20.2 | 0.5 | 5.5 | 20.25 | - | 20.19 | 2.88 |
22 | 33 | 2.63 | 25.25 | 25.25 | 24-1.63 | 29.25 | 6.5 | 22 | 21.25 | 4 | 22.22 | 0.5 | 5.75 | 22.25 | - | 22.19 | 3.13 |
24 | 36 | 2.75 | 27.25 | 27.62 | 24-1.62 | 32 | 6.62 | 24 | 23.25 | 4.19 | 24.25 | 0.5 | 6 | 24.25 | - | 24.19 | 3.25 |
Class 400 Flanges

Nom. Pipe Size | O | T | R | X | No.& Dia. of Holes | Bolt Circle Dia. | L2 | H | B2 | L | B | r | L3 | B3 | D | C | THr |
1/2 | 3.75 | 0.56 | 1.38 | 1.5 | 4-0.62 | 2.62 | 2.06 | 0.84 | To be specified by purchaser. | 0.88 | 0.88 | 0.12 | 0.88 | 0.9 | 0.38 | 0.93 | 0.62 |
3/4 | 4.62 | 0.62 | 1.69 | 1.88 | 4-0.75 | 3.25 | 2.25 | 1.05 | 1 | 1.09 | 0.12 | 1 | 1.11 | 0.44 | 1.14 | 0.62 | |
1 | 4.88 | 0.69 | 2 | 2.12 | 4-.075 | 3.5 | 2.44 | 1.32 | 1.06 | 1.36 | 0.12 | 1.06 | 1.38 | 0.5 | 1.41 | 0.69 | |
1-1/4 | 5.25 | 0.81 | 2.5 | 2.5 | 4-0.75 | 3.88 | 2.62 | 1.66 | 1.12 | 1.7 | 0.19 | 1.12 | 1.72 | 0.56 | 1.75 | 0.81 | |
1-1/2 | 6.12 | 0.88 | 2.88 | 2.75 | 4-0.88 | 4.5 | 2.75 | 1.9 | 1.25 | 1.95 | 0.25 | 1.25 | 1.97 | 0.62 | 1.99 | 0.88 | |
2 | 6.5 | 1 | 3.62 | 3.31 | 8-0.75 | 5 | 2.88 | 2.38 | 1.44 | 2.44 | 0.31 | 1.44 | 2.46 | 0.69 | 2.5 | 1.12 | |
2-1/2 | 7.5 | 1.12 | 4.12 | 3.94 | 8-0.88 | 5.88 | 3.12 | 2.88 | 1.62 | 2.94 | 0.31 | 1.62 | 2.97 | 0.75 | 3 | 1.25 | |
3 | 8.25 | 1.25 | 5 | 4.62 | 8-0.88 | 6.62 | 3.25 | 3.5 | 1.81 | 3.57 | 0.38 | 1.81 | 3.6 | 0.81 | 3.63 | 1.38 | |
3-1/2 | 9 | 1.38 | 5.5 | 5.25 | 8-1.00 | 7.25 | 3.38 | 4 | 1.94 | 4.07 | 0.38 | 1.94 | 4.1 | - | 4.13 | 1.56 | |
4 | 10 | 1.38 | 6.19 | 5.75 | 8-1.00 | 7.88 | 3.5 | 4.5 | 2 | 4.57 | 0.44 | 2 | 4.6 | - | 4.63 | 1.44 | |
5 | 11 | 1.5 | 7.31 | 7 | 8-1.00 | 9.25 | 4 | 5.56 | 2.12 | 5.66 | 0.44 | 2.12 | 5.69 | - | 5.69 | 1.69 | |
6 | 12.5 | 1.62 | 8.5 | 8.12 | 12-1.00 | 10.62 | 4.06 | 6.63 | 2.25 | 6.72 | 0.5 | 2.25 | 6.75 | - | 6.75 | 1.81 | |
8 | 15 | 1.88 | 10.62 | 10.25 | 12-1.12 | 13 | 4.62 | 8.63 | 2.69 | 8.72 | 0.5 | 2.69 | 8.75 | - | 8.75 | 2 | |
10 | 17.5 | 2.12 | 12.75 | 12.62 | 16-1.25 | 15.25 | 4.88 | 10.75 | 2.88 | 10.88 | 0.5 | 4 | 10.92 | - | 10.88 | 2.19 | |
12 | 20.5 | 2.25 | 15 | 14.75 | 16-1.38 | 17.75 | 5.38 | 12.75 | 3.12 | 12.88 | 0.5 | 4.25 | 12.92 | - | 12.94 | 2.38 | |
14 | 23 | 2.38 | 16.25 | 16.75 | 20-1.38 | 20.25 | 5.88 | 14 | 3.31 | 14.14 | 0.5 | 4.62 | 14.18 | - | 14.19 | 2.5 | |
16 | 25.5 | 2.5 | 18.5 | 19 | 20-1.50 | 22.5 | 6 | 16 | 3.69 | 16.16 | 0.5 | 5 | 16.19 | - | 16.19 | 2.69 | |
18 | 28 | 2.62 | 21 | 21 | 24-1.50 | 24.75 | 6.5 | 18 | 3.88 | 18.18 | 0.5 | 5.38 | 18.2 | - | 18.19 | 2.75 | |
20 | 30.5 | 2.75 | 23 | 23.12 | 24-1.62 | 27 | 6.62 | 20 | 4 | 20.2 | 0.5 | 5.75 | 20.25 | - | 20.19 | 2.88 | |
22 | 33 | 2.88 | 25.25 | 25.25 | 24-1.75 | 29.25 | 6.75 | 22 | 4.25 | 22.22 | 0.5 | 6 | 22.25 | - | -- | -- | |
24 | 36 | 3 | 27.25 | 27.62 | 24-1.88 | 32 | 6.88 | 24 | 4.5 | 24.25 | 0.5 | 6.25 | 24.25 | - | 24.19 | 3.25 |
Class 600 Flanges

Nom. Pipe Size | O | T | R | X | No.& Dia. of Holes | Bolt Circle Dia. | L2 | H | B2 | L | B | r | L3 | B3 | D | C | THr |
1/2 | 3.75 | 0.56 | 1.38 | 1.5 | 4-0.62 | 2.62 | 2.06 | 0.84 | To be specified by purchaser. | 0.88 | 0.88 | 0.12 | 0.88 | 0.9 | 0.38 | 0.93 | 0.62 |
3/4 | 4.62 | 0.62 | 1.69 | 1.88 | 4-0.75 | 3.25 | 2.25 | 1.05 | 1 | 1.09 | 0.12 | 1 | 1.11 | 0.44 | 1.14 | 0.62 | |
1 | 4.88 | 0.69 | 2 | 2.12 | 4-.075 | 3.5 | 2.44 | 1.32 | 1.06 | 1.36 | 0.12 | 1.06 | 1.38 | 0.5 | 1.41 | 0.69 | |
1-1/4 | 5.25 | 0.81 | 2.5 | 2.5 | 4-0.75 | 3.88 | 2.62 | 1.66 | 1.12 | 1.7 | 0.19 | 1.12 | 1.72 | 0.56 | 1.75 | 0.81 | |
1-1/2 | 6.12 | 0.88 | 2.88 | 2.75 | 4-0.88 | 4.5 | 2.75 | 1.9 | 1.25 | 1.95 | 0.25 | 1.25 | 1.97 | 0.62 | 1.99 | 0.88 | |
2 | 6.5 | 1 | 3.62 | 3.31 | 8-0.75 | 5 | 2.88 | 2.38 | 1.44 | 2.44 | 0.31 | 1.44 | 2.46 | 0.69 | 2.5 | 1.12 | |
2-1/2 | 7.5 | 1.12 | 4.12 | 3.94 | 8-0.88 | 5.88 | 3.12 | 2.88 | 1.62 | 2.94 | 0.31 | 1.62 | 2.97 | 0.75 | 3 | 1.25 | |
3 | 8.25 | 1.25 | 5 | 4.62 | 8-0.88 | 6.62 | 3.25 | 3.5 | 1.81 | 3.57 | 0.38 | 1.81 | 3.6 | 0.81 | 3.63 | 1.38 | |
3-1/2 | 9 | 1.38 | 5.5 | 5.25 | 8-1.00 | 7.25 | 3.38 | 4 | 1.94 | 4.07 | 0.38 | 1.94 | 4.1 | - | 4.13 | 1.56 | |
4 | 10.75 | 1.5 | 6.19 | 6 | 8-1.00 | 8.5 | 4 | 4.5 | 2.12 | 4.57 | 0.44 | 2.12 | 4.6 | - | 4.63 | 1.62 | |
5 | 13 | 1.75 | 7.31 | 7.44 | 8-1.12 | 10.5 | 4.5 | 5.56 | 2.38 | 5.66 | 0.44 | 2.38 | 5.69 | - | 5.69 | 1.88 | |
6 | 14 | 1.88 | 8.5 | 8.75 | 12-1.12 | 11.5 | 4.62 | 6.63 | 2.62 | 6.72 | 0.5 | 2.62 | 6.75 | - | 6.75 | 2 | |
8 | 16.5 | 2.19 | 10.62 | 10.75 | 12-1.25 | 13.75 | 5.25 | 8.63 | 3 | 8.72 | 0.5 | 3 | 8.75 | - | 8.75 | 2.25 | |
10 | 20 | 2.5 | 12.75 | 13.5 | 16-1.38 | 17 | 6 | 10.75 | 3.38 | 10.88 | 0.5 | 4.38 | 10.92 | - | 10.88 | 2.56 | |
12 | 22 | 2.62 | 15 | 15.75 | 20-1.38 | 19.25 | 6.12 | 12.75 | 3.62 | 12.88 | 0.5 | 4.62 | 12.92 | - | 12.94 | 2.75 | |
14 | 23.75 | 2.75 | 16.25 | 17 | 20-1.50 | 20.75 | 6.5 | 14 | 3.69 | 14.14 | 0.5 | 5 | 14.18 | - | 14.19 | 2.88 | |
16 | 27 | 3 | 18.5 | 19.5 | 20-1.62 | 23.75 | 7 | 16 | 4.19 | 16.16 | 0.5 | 5.5 | 16.19 | - | 18.19 | 3.06 |
Class 900 Flanges

Nom. Pipe Size | O | T | R | X | No.& Dia. of Holes | Bolt Circle Dia. | L2 | H | B2 | L | B | r | L3 | B3 | THr |
Sizes 1/2" Thru 2-1/2" Are Identic al To Class 1500. | |||||||||||||||
3 | 9.5 | 1.5 | 5 | 5 | 8-1.00 | 7.5 | 4 | 3.5 | To be specified by purchaser. | 2.13 | 3.57 | 0.38 | 2.13 | 3.6 | 1.63 |
4 | 11.5 | 1.75 | 6.19 | 6.25 | 8-1.25 | 9.25 | 4.5 | 4.5 | 2.75 | 4.57 | 0.44 | 2.75 | 4.6 | 1.88 | |
5 | 13.75 | 2 | 7.31 | 7.5 | 8-1.38 | 11 | 5 | 5.56 | 3.13 | 5.66 | 0.44 | 3.13 | 5.69 | 2.13 | |
6 | 15 | 2.19 | 8.5 | 9.25 | 12-1.25 | 12.5 | 5.5 | 6.63 | 3.38 | 6.72 | 0.5 | 3.38 | 6.75 | 2.25 | |
8 | 18.5 | 2.5 | 10.63 | 11.75 | 12-1.50 | 15.5 | 6.38 | 8.63 | 4 | 8.72 | 0.5 | 4.5 | 8.75 | 2.5 | |
10 | 21.5 | 2.75 | 12.75 | 14.5 | 16-1.50 | 18.5 | 7.25 | 10.75 | 4.25 | 10.88 | 0.5 | 5 | 10.92 | 2.81 | |
12 | 24 | 3.13 | 15 | 16.5 | 20-1.50 | 21 | 7.88 | 12.75 | 4.63 | 12.88 | 0.5 | 5.63 | 12.92 | 3 | |
14 | 25.25 | 3.38 | 16.25 | 17.75 | 20-1.63 | 22 | 8.38 | 14 | 5.13 | 14.14 | 0.5 | 6.13 | 14.18 | 3.25 | |
16 | 27.75 | 3.5 | 18.5 | 20 | 20-1.75 | 24.25 | 8.5 | 16 | 5.25 | 16.16 | 0.5 | 6.5 | 16.19 | 3.38 | |
18 | 31 | 4 | 21 | 22.25 | 20-2.00 | 27 | 9 | 18 | 6 | 18.18 | 0.5 | 7.5 | 18.2 | 3.5 | |
20 | 33.75 | 4.25 | 23 | 24.5 | 20-2.13 | 29.5 | 9.75 | 20 | 6.25 | 20.2 | 0.5 | 8.25 | 20.25 | 3.63 | |
24 | 41 | 5.5 | 27.25 | 29.5 | 20-2.63 | 35.5 | 11.5 | 24 | 8 | 24.25 | 0.5 | 10.5 | 24.25 | 4 |
Class 1500 Flanges

Nom. Pipe Size | O | T | R | X | No.& Dia. of Holes | Bolt Circle Dia. | L2 | H | B2 | L | B | r | L3 | D | B3 | THr |
1/2 | 4.75 | 0.88 | 1.38 | 1.5 | 4-0.88 | 3.25 | 2.38 | 0.84 | To be specified by purchaser. | 1.25 | 0.88 | 0.13 | 1.25 | 0.38 | 0.9 | 0.88 |
3/4 | 5.13 | 1 | 1.69 | 1.75 | 4-0.88 | 3.5 | 2.75 | 1.05 | 1.38 | 1.09 | 0.13 | 1.38 | 0.44 | 1.11 | 1 | |
1 | 5.88 | 1.13 | 2 | 2.06 | 4-1.00 | 4 | 2.88 | 1.32 | 1.63 | 1.36 | 0.13 | 1.63 | 0.5 | 1.38 | 1.13 | |
1-1/4 | 6.25 | 1.13 | 2.5 | 2.5 | 4-1.00 | 4.38 | 2.88 | 1.66 | 1.63 | 1.7 | 0.19 | 1.63 | 0.56 | 1.72 | 1.19 | |
1-1/2 | 7 | 1.25 | 2.88 | 2.75 | 4-1.13 | 4.88 | 3.25 | 1.9 | 1.75 | 1.95 | 0.25 | 1.75 | 0.63 | 1.97 | 1.25 | |
2 | 8.5 | 1.5 | 3.63 | 4.13 | 8-1.00 | 6.5 | 4 | 2.38 | 2.25 | 2.44 | 0.31 | 2.25 | 0.69 | 2.46 | 1.5 | |
2-1/2 | 9.63 | 1.63 | 4.13 | 4.88 | 8-1.13 | 7.5 | 4.13 | 2.88 | 2.5 | 2.94 | 0.31 | 2.5 | 0.75 | 2.97 | 1.88 | |
3 | 10.5 | 1.88 | 5 | 5.25 | 8-1.25 | 8 | 4.63 | 3.5 | 2.88 | 3.57 | 0.38 | 2.88 | -- | 3.6 | 2 | |
4 | 12.25 | 2.13 | 6.19 | 6.38 | 8-1.38 | 9.5 | 4.88 | 4.5 | 3.56 | 4.57 | 0.44 | 3.56 | -- | 4.6 | 2.25 | |
5 | 14.75 | 2.88 | 7.31 | 7.75 | 8-1.63 | 11.5 | 6.13 | 5.56 | 4.13 | 5.66 | 0.44 | 4.13 | -- | 5.69 | 2.5 | |
6 | 15.5 | 3.25 | 8.5 | 9 | 12-1.50 | 12.5 | 6.75 | 6.63 | 4.69 | 6.72 | 0.5 | 4.69 | -- | 6.75 | 2.75 | |
8 | 19 | 3.63 | 10.63 | 11.5 | 12-1.75 | 15.5 | 8.38 | 8.63 | 5.63 | 8.72 | 0.5 | 5.63 | -- | 8.75 | 3 | |
10 | 23 | 4.25 | 12.75 | 14.5 | 12-2.00 | 19 | 10 | 10.75 | 6.25 | 10.88 | 0.5 | 7 | -- | 10.92 | 3.31 | |
12 | 26.5 | 4.88 | 15 | 17.75 | 16-2.13 | 22.5 | 11.13 | 12.75 | 7.13 | 12.88 | 0.5 | 8.63 | -- | 12.92 | 3.63 | |
14 | 29.5 | 5.25 | 16.25 | 19.5 | 16-2.38 | 25 | 11.75 | 14 | -- | -- | 0.5 | 9.5 | -- | 14.18 | -- | |
16 | 32.5 | 5.75 | 18.5 | 21.75 | 16-2.63 | 27.75 | 12.25 | 16 | -- | -- | 0.5 | 10.25 | -- | 16.19 | -- | |
18 | 36 | 6.38 | 21 | 23.5 | 16-2.88 | 30.5 | 12.88 | 18 | -- | -- | 0.5 | 10.88 | -- | 18.2 | -- | |
20 | 38.75 | 7 | 23 | 25.25 | 16-3.13 | 32.75 | 14 | 20 | -- | -- | 0.5 | 11.5 | -- | 20.25 | -- | |
24 | 46 | 8 | 27.25 | 30 | 16-3.63 | 39 | 16 | 24 | -- | -- | 0.5 | 13 | -- | 24.25 | -- |
Class 2500 Flanges

Nom. Pipe Size | O | T | R | X | No.& Dia. of Holes | Bolt Circle Dia. | L2 | H | B2 | L | B | r | L3 | B3 | THr |
1/2 | 5.25 | 1.19 | 1.38 | 1.69 | 4-0.88 | 3.5 | 2.88 | 0.84 | To be specified by purchaser. | 1.56 | 0.88 | 0.13 | 1.56 | 0.9 | 1.13 |
3/4 | 5.5 | 1.25 | 1.69 | 2 | 4-0.88 | 3.75 | 3.13 | 1.05 | 1.69 | 1.09 | 0.13 | 1.69 | 1.11 | 1.25 | |
1 | 6.25 | 1.38 | 2 | 2.25 | 4-1.00 | 4.25 | 3.5 | 1.32 | 1.88 | 1.36 | 0.13 | 1.88 | 1.38 | 1.38 | |
1-1/4 | 7.25 | 1.5 | 2.5 | 2.88 | 4-1.13 | 5.13 | 3.75 | 1.66 | 2.06 | 1.7 | 0.18 | 2.06 | 1.72 | 1.5 | |
1-1/2 | 8 | 1.75 | 2.88 | 3.13 | 4-1.25 | 5.75 | 4.38 | 1.9 | 2.38 | 1.95 | 0.25 | 2.38 | 1.97 | 1.75 | |
2 | 9.25 | 2 | 3.63 | 3.75 | 8-1.13 | 6.75 | 5 | 2.38 | 2.75 | 2.44 | 0.31 | 2.75 | 2.46 | 2 | |
2-1/2 | 10.5 | 2.25 | 4.13 | 4.5 | 8-1.25 | 7.75 | 5.63 | 2.88 | 3.13 | 2.94 | 0.31 | 3.13 | 2.97 | 2.25 | |
3 | 12 | 2.63 | 5 | 5.25 | 8-1.38 | 9 | 6.63 | 3.5 | 3.63 | 3.57 | 0.37 | 3.63 | 3.6 | 2.5 | |
4 | 14 | 3 | 6.19 | 6.5 | 8-1.63 | 10.75 | 7.5 | 4.5 | 4.25 | 4.57 | 0.44 | 4.25 | 4.6 | 2.75 | |
5 | 16.5 | 3.63 | 7.31 | 8 | 8-1.88 | 12.75 | 9 | 5.56 | 5.13 | 5.66 | 0.44 | 5.13 | 5.69 | 3 | |
6 | 19 | 4.25 | 8.5 | 9.25 | 8-2.13 | 14.5 | 10.75 | 6.63 | 6 | 6.72 | 0.5 | 6 | 6.75 | 3.25 | |
8 | 21.75 | 5 | 10.63 | 12 | 12-2.13 | 17.25 | 12.5 | 8.63 | 7 | 8.72 | 0.5 | 7 | 8.75 | 3.75 | |
10 | 26.5 | 6.5 | 12.75 | 14.75 | 12-2.63 | 21.25 | 16.5 | 10.75 | 9 | 10.88 | 0.5 | 9 | 10.92 | 4.25 | |
12 | 30 | 7.25 | 15 | 17.38 | 12-2.88 | 24.38 | 18.25 | 12.75 | 10 | 12.88 | 0.5 | 10 | 12.92 | 4.75 |
Pressure Rating:- Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Flanges
Pipe Size (inch) | 150 # | 300 # | 600 # | 900 # | 1500 # | 2500 # | ||||||||||||
WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | |
1/2″ | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | SEE 1500 # WEIGHTS | 5 | 4 | 4 | 7 | 7 | 7 | ||
3/4″ | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | SEE 1500 # WEIGHTS | 6 | 5 | 6 | 8 | 8 | 8 | ||
1″ | 3 | 2 | 2 | 4 | 3 | 3 | 4 | 4 | 4 | SEE 1500 # WEIGHTS | 9 | 8 | 8 | 12 | 11 | 11 | ||
1 1/2″ | 4 | 3 | 3 | 7 | 6 | 6 | 8 | 7 | 8 | SEE 1500 # WEIGHTS | 13 | 12 | 13 | 25 | 22 | 23 | ||
2″ | 6 | 5 | 5 | 9 | 7 | 8 | 12 | 9 | 10 | SEE 1500 # WEIGHTS | 25 | 25 | 25 | 42 | 37 | 39 | ||
2 1/2″ | 8 | 7 | 7 | 12 | 10 | 12 | 18 | 13 | 15 | SEE 1500 # WEIGHTS | 36 | 36 | 35 | 52 | 55 | 56 | ||
3″ | 10 | 8 | 9 | 15 | 13 | 16 | 23 | 16 | 20 | 31 | 26 | 29 | 48 | 48 | 48 | 94 | 83 | 86 |
4″ | 15 | 13 | 17 | 25 | 22 | 27 | 42 | 37 | 41 | 53 | 53 | 54 | 73 | 73 | 73 | 145 | 125 | 130 |
5″ | 19 | 15 | 20 | 32 | 28 | 35 | 68 | 63 | 68 | 86 | 83 | 87 | 130 | 130 | 140 | 245 | 210 | 225 |
6″ | 24 | 19 | 26 | 42 | 39 | 50 | 81 | 80 | 86 | 110 | 110 | 115 | 165 | 165 | 160 | 380 | 325 | 345 |
8″ | 39 | 30 | 45 | 67 | 58 | 81 | 120 | 115 | 140 | 175 | 170 | 200 | 275 | 260 | 300 | 580 | 485 | 530 |
10″ | 52 | 43 | 70 | 91 | 81 | 124 | 190 | 170 | 230 | 260 | 245 | 290 | 455 | 435 | 510 | 1075 | 930 | 1025 |
12″ | 80 | 64 | 110 | 140 | 115 | 185 | 225 | 200 | 295 | 325 | 325 | 415 | 690 | 580 | 690 | 1525 | 1100 | 1300 |
14″ | 110 | 90 | 140 | 180 | 165 | 250 | 280 | 230 | 355 | 400 | 400 | 520 | 940 | NA | 975 | NA | NA | NA |
16″ | 140 | 98 | 180 | 250 | 190 | 295 | 390 | 330 | 495 | 495 | 425 | 600 | 1250 | NA | 1300 | NA | NA | NA |
18″ | 150 | 130 | 220 | 320 | 250 | 395 | 475 | 400 | 630 | 680 | 600 | 850 | 1625 | NA | 1750 | NA | NA | NA |
20″ | 180 | 165 | 285 | 400 | 315 | 505 | 590 | 510 | 810 | 830 | 730 | 1075 | 2050 | NA | 2225 | NA | NA | NA |
22″ | 225 | 185 | 355 | 465 | 370 | 640 | 720 | 590 | 1000 | NA | NA | NA | NA | NA | NA | NA | NA | NA |
24″ | 260 | 220 | 430 | 580 | 475 | 790 | 830 | 730 | 1250 | 1500 | 1400 | 2025 | 3325 | NA | 3625 | NA | NA | NA |
Weight Chart:- Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Flanges
- Class 150 Weight
- Class 300 Weight
- Class 600 Weight
- Class 900 Weight
- Class 1500 Weight
- Class 2500 Weight
Class 150 Flanges Weight

NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
NPS (Inches) | DN (mm) | FLANGE MM | FLANGE THICKNESS | SOW SW | WN | BLIND |
1/2 | 15 | 88.9 | 11.2 | 0.4 | 0.5 | 0.4 |
3/4 | 20 | 98.6 | 12.7 | 0.6 | 0.7 | 0.6 |
1 | 25 | 108 | 14.2 | 0.8 | 1 | 0.9 |
1 1/4 | 32 | 117.3 | 15.7 | 1 | 1.3 | 1.2 |
1 1/2 | 40 | 127 | 17.5 | 1.3 | 1.7 | 1.5 |
2 | 50 | 152.4 | 19.1 | 2.1 | 2.6 | 2.4 |
2 1/2 | 65 | 177.8 | 22.4 | 3.3 | 4.1 | 3.9 |
3 | 80 | 190.5 | 23.9 | 3.9 | 4.9 | 4.9 |
3 1/2 | 90 | 215.9 | 23.9 | 4.8 | 6.1 | 6.2 |
4 | 100 | 228.6 | 23.9 | 5.3 | 6.8 | 7.0 |
5 | 125 | 254 | 23.9 | 6.1 | 8.6 | 8.6 |
6 | 150 | 279.4 | 25.4 | 7.5 | 10.6 | 11.3 |
8 | 200 | 342.9 | 28.4 | 12.1 | 17.6 | 19.6 |
10 | 250 | 406.4 | 30.2 | 16.5 | 24 | 28.6 |
12 | 300 | 482.6 | 31.8 | 26.2 | 36.5 | 43.2 |
14 | 350 | 533.4 | 35.1 | 34.6 | 48.4 | 58.1 |
16 | 400 | 596.9 | 36.6 | 44.8 | 60.6 | 76.1 |
18 | 450 | 635 | 39.6 | 48.9 | 68.3 | 93.7 |
20 | 500 | 698.5 | 42.9 | 61.9 | 84.5 | 122.0 |
24 | 600 | 812.8 | 47.8 | 86.9 | 115 | 185.0 |
Class 300 Flanges Weight

NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
NPS (Inches) | DN (mm) | FLANGE OD A MM | FLANGE THICKNESS D MM | SOW SW | WN | BLIND |
1/2 | 15 | 95.3 | 14.2 | 0.6 | 0.8 | 0.6 |
3/4 | 20 | 117.3 | 15.7 | 1.1 | 1.3 | 1.1 |
1 | 25 | 124 | 17.5 | 1.4 | 1.5 | 1.4 |
1 1/4 | 32 | 133.4 | 19.1 | 1.7 | 2.0 | 1.8 |
1 1/2 | 40 | 155.5 | 20.6 | 2.5 | 2.9 | 2.7 |
2 | 50 | 165.1 | 22.4 | 2.9 | 3.4 | 3.2 |
2 1/2 | 65 | 190.5 | 25.4 | 4.3 | 5.2 | 4.9 |
3 | 80 | 215.9 | 28.4 | 5.9 | 6.9 | 6.8 |
3 1/2 | 90 | 228.6 | 30.2 | 7.3 | 8.7 | 8.7 |
4 | 100 | 254 | 31.8 | 9.6 | 11.2 | 11.5 |
5 | 125 | 279.4 | 35.1 | 12.3 | 15.1 | 15.6 |
6 | 150 | 317.5 | 36.6 | 15.6 | 19.1 | 20.9 |
8 | 200 | 381 | 41.1 | 24.2 | 29.9 | 34.3 |
10 | 250 | 444.5 | 47.6 | 34.1 | 42.7 | 53.3 |
12 | 300 | 520.7 | 50.8 | 49.8 | 61.8 | 78.8 |
14 | 350 | 584.2 | 53.8 | 69.9 | 85.8 | 105.0 |
16 | 400 | 647.7 | 57.2 | 88.1 | 106.0 | 137.0 |
18 | 450 | 711.2 | 60.5 | 109.0 | 131.0 | 175.0 |
20 | 500 | 774.7 | 63.5 | 134.0 | 158.0 | 221.0 |
24 | 600 | 914.4 | 70.0 | 201.0 | 230.0 | 339.0 |
Class 600 Flanges Weight

NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
NPS (Inches) | DN (mm) | FLANGE OD A MM | FLANGE THICKNESS D MM | SOW SW | WN | BLIND |
1/2 | 15 | 95.3 | 14.2 | 0.7 | 0.9 | 0.8 |
3/4 | 20 | 117.3 | 15.7 | 1.3 | 1.5 | 1.3 |
1 | 25 | 124.0 | 17.5 | 1.5 | 1.8 | 1.6 |
1 1/4 | 32 | 133.4 | 20.6 | 2 | 2.5 | 2.2 |
1 1/2 | 40 | 155.4 | 22.4 | 3 | 3.5 | 3.3 |
2 | 50 | 165.1 | 25.4 | 3.6 | 4.4 | 4.2 |
2 1/2 | 65 | 190.5 | 28.4 | 5.3 | 6.4 | 6.1 |
3 | 80 | 209.6 | 31.8 | 7 | 8.5 | 8.4 |
3 1/2 | 90 | 228.6 | 35.1 | 8.8 | 10.7 | 11 |
4 | 100 | 273.1 | 38.1 | 14.5 | 17.4 | 17.3 |
5 | 125 | 330.2 | 44.5 | 24.4 | 29.2 | 29.4 |
6 | 150 | 355.6 | 47.8 | 28.7 | 34.9 | 36.1 |
8 | 200 | 419.1 | 55.6 | 43.4 | 53.9 | 58.9 |
10 | 250 | 508 | 63.5 | 70.3 | 86.5 | 97.5 |
12 | 300 | 558.8 | 66.5 | 84.2 | 103.0 | 124 |
14 | 350 | 603.3 | 69.9 | 98.7 | 122.0 | 151 |
16 | 400 | 685.8 | 76.2 | 142.0 | 170.0 | 214 |
18 | 450 | 743 | 82.6 | 173.0 | 204.0 | 272 |
20 | 500 | 812.8 | 88.9 | 220.0 | 254.0 | 349.0 |
24 | 600 | 939.8 | 101.6 | 312.0 | 358.0 | 533.0 |
Class 900 Flanges Weight

NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
NPS (Inches) | DN (mm) | FLANGE OD A MM | FLANGE THICKNESS D MM | SOW SW | WN | BLIND |
1/2 | 15 | 120.7 | 22.4 | 1.8 | 1.9 | 1.8 |
3/4 | 20 | 130 | 25.4 | 2.4 | 2.6 | 2.4 |
1 | 25 | 149.4 | 28.4 | 3.6 | 3.7 | 3.6 |
1 1/4 | 32 | 158.8 | 28.4 | 4 | 4.3 | 4.1 |
1 1/2 | 40 | 177.8 | 31.8 | 5.5 | 5.9 | 5.8 |
2 | 50 | 215.9 | 38.1 | 10.2 | 10.8 | 10 |
2 1/2 | 65 | 244.3 | 41.1 | 13.9 | 15 | 14 |
3 | 80 | 241.3 | 38.1 | 11.6 | 13.7 | 13.1 |
4 | 100 | 292.1 | 44.5 | 19.7 | 22.5 | 26.9 |
5 | 125 | 349.3 | 50.8 | 31.9 | 37.4 | 36.5 |
6 | 150 | 381 | 55.6 | 41.1 | 47.7 | 47.4 |
8 | 200 | 469.9 | 63.5 | 70.7 | 81.3 | 82.5 |
10 | 250 | 546.1 | 69.9 | 101.0 | 119 | 122.0 |
12 | 300 | 609.6 | 79.2 | 133.0 | 157.0 | 173.0 |
14 | 350 | 641.4 | 85.6 | 153.0 | 180.0 | 206.0 |
16 | 400 | 704.9 | 88.9 | 185.0 | 217.0 | 259.0 |
18 | 450 | 787.4 | 101.6 | 258.0 | 292.0 | 367.0 |
20 | 500 | 857.3 | 108.0 | 317.0 | 362.0 | 463.0 |
24 | 600 | 1041.4 | 139.7 | 606.0 | 665.0 | 876.0 |
Class 1500 Flanges Weight

NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
NPS (Inches) | DN (mm) | FLANGE OD A MM | FLANGE THICKNESS D MM | SOW SW | WN | BLIND |
1/2 | 15 | 120.7 | 22.4 | 1.8 | 1.9 | 1.8 |
3/4 | 20 | 130 | 25.4 | 2.4 | 2.6 | 2.4 |
1 | 25 | 149.4 | 28.4 | 3.6 | 3.7 | 3.6 |
1 1/4 | 32 | 158.8 | 28.4 | 4 | 4.3 | 4.1 |
1 1/2 | 40 | 177.8 | 31.8 | 5.5 | 5.9 | 5.8 |
2 | 50 | 215.9 | 38.1 | 10.2 | 10.8 | 10.1 |
2 1/2 | 65 | 244.3 | 41.1 | 13.9 | 15 | 14 |
3 | 80 | 266.7 | 47.8 | 19.9 | 19.1 | |
4 | 100 | 311.2 | 53.8 | 29.9 | 29.9 | |
5 | 125 | 374.7 | 73.2 | 55.4 | 58.4 | |
6 | 150 | 393.7 | 82.6 | 68.4 | 71.8 | |
8 | 200 | 482.6 | 91.9 | 117 | 122 | |
10 | 250 | 584.2 | 108 | 194.0 | 210.0 | |
12 | 300 | 673.1 | 124 | 288.0 | 316.0 | |
14 | 350 | 749.3 | 133.4 | 380.0 | 420 | |
16 | 400 | 825.5 | 146.1 | 485.0 | 558.0 | |
18 | 450 | 914.4 | 162.1 | 644.0 | 760.0 | |
20 | 500 | 984.3 | 177.8 | 775.0 | 965.0 | |
24 | 600 | 1168.4 | 203.2 | 1232.0 | 1558.0 |
Class 2500 Flanges Weight

NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | |||
NPS (Inches) | DN (mm) | FLANGE OD A MM | FLANGE THICKNESS D MM | WN | BLIND |
1/2 | 15 | 133.4 | 30.2 | 3.1 | 3.0 |
3/4 | 20 | 139.7 | 31.8 | 3.7 | 3.5 |
1 | 25 | 158.8 | 35.1 | 5.2 | 5.0 |
1 1/4 | 32 | 184.2 | 38.1 | 7.7 | 7.4 |
1 1/2 | 40 | 203.2 | 44.5 | 10.9 | 10.4 |
2 | 50 | 235 | 50.8 | 16.2 | 15.6 |
2 1/2 | 65 | 266.7 | 57.2 | 23.7 | 22.6 |
3 | 80 | 304.8 | 66.5 | 36.2 | 34.8 |
4 | 100 | 355.6 | 76.2 | 55.3 | 53.9 |
5 | 125 | 419.1 | 91.9 | 92.5 | 90.8 |
6 | 150 | 482.6 | 108 | 143.0 | 141 |
8 | 200 | 552.5 | 127 | 215.0 | 214 |
10 | 250 | 673.1 | 165.1 | 406.0 | 411.0 |
12 | 300 | 762 | 184.2 | 572.0 | 592.0 |
Different Types:- Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Flanges












Price List:- Carbon Steel A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 Flanges
- Carbon Steel LF1 Blind Flanges
USD $2.1 – $7.01 / Kg - Carbon Steel LF2 Reducing Flanges
USD $2.05 – $7.15 / Kg - Carbon Steel CL1 Plate Flange
USD $2.45 – $7.45 / Kg - Carbon Steel CL2 Threaded Flanges
USD $2.18 – $7.78 / Kg - Carbon LF3 Weld Neck Flanges
USD $2.14 – $7.39 / Kg - Astm A694 Carbon Steel CL1 RTJ Flanges
USD $2.11 – $5 / Kg - Carbon Steel CL2 Slip On Flanges
USD $2.13 – $7.89 / Kg

Application Industries
- Construction
- Bridges
- Petrochemical Industry
- Ship Building
- Engineering
- General Structural Purposes
- Offshore and Onshore Services

Packaging Industries
We Sumit Impex Metal Ensure the Best Quality of Packing, Because It Plays an Important Role Especially in the Case of International Shipments in Which Consignment Passes Through Various Channels to Reach the Ultimate Destination, So We Put Extraordinary Concern Regarding Packaging.
We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
- Boxes and Crates
- Shrink-wrapped
- Carton boxes
- Wooden pallets
- Wooden boxes
- Wooden crates

Testings (Destructive, Non Destructive)
- Mechanical Testing Such as Tensile, Elongation, Reduction of Area
- Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
- Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
- Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
- Positive Material Identification – PMI Testing
- Chemical Analysis – Spectro Analysis
- Intergranular Corrosion (IGC) Test
- Pitting Resistance Test
- Dye Penetrant Test (DP Test)
- Bend Test
- Micro Test
- Macro Test
- Hardness Test
- Flaring Test
- Flattening Test
- Hydrostatic Test
- Radiography Test
- Ultra Sonic Test (UT)
- Eddy Current Testing
- Impact Test
