Stainless Steel 321/321H Forged Fittings
What is Stainless Steel 321/321H Forged Fittings
Sumit Impex is a striking firm that appropriates a wide extent of SS 321/321H Forged Threaded Fittings, where post weld heat treatment isn’t major. Solidified Steel 321 Forged Threaded Fittings is used for welding under conditions which maintain a strategic distance from a post-weld fortifies. Some normal locales of utilization of Stainless Steel 321H Forged Threaded Fittings are radiator fragments. Tempered Steel 321 Forged Threaded Elbow Fittings can’t be hardened by warm treatment, anyway quality and hardness can be extended extensively by infection working, with resulting decline in flexibility. The extra titanium substance of least on numerous occasions the carbon % content (max 0.7 %) infers that Stainless Steel 321H Forged Threaded Tee Fittings in like manner has incredible downer quality and extraordinary assurance from chromium carbide precipitation. Phenomenal idea in Stainless Steel 321 Forged Threaded Cross Fittings is required to avoid weld “hot breaking” by ensuring plan of ferrite in the weld store.

SS 321 Forged Threaded 90 deg Elbow, ASTM A182 Stainless Steel 321H Forged Tee Exporter, SS 321H Socket Weld Equal Tee, Stainless Steel 321 Forged Fittings, Stainless Steel 321H Forged Fittings, ASTM A182 Stainless Steel 321 Socket Weld Fittings Supplier.
Solidified Steel 321H Forged Threaded Cap Fittings is as often as possible used for Expansion joints and Thermal oxidizers. Solidified Steel 321 Forged Threaded Bend Fittings resembles Type 304 tempered steel; in any case, it contains a Titanium development of at any rate on numerous occasions the carbon content. Treated Steel 321H Forged Threaded Coupling Fittings is also used for Bellows and Furnace parts.
Solidified Steel 321 Forged Threaded Union Fittings is used essentially for applications including welding or proceeded with raised temperature assignments where re-reinforcing isn’t practical.
Specification:- Stainless Steel 321/321H Forged Fittings
Specification | ASTM A182 / ASME SA182 |
Dimension Standard | ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799 |
Size | 1/8" NB to 4" NB |
Type | Socketweld Fittings, Screwed-Threaded Fittings |
Pressure-Temperature Class | Threaded End - 2000 /3000/ 6000 LBS. Socket-weld End - 3000 / 6000/ 9000 LBS. |
Equivalent Grade:- Stainless Steel 321/321H Forged Fittings
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Chemical Composition:- Stainless Steel 321/321H Forged Fittings
Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Mechanical Properties:- Stainless Steel 321/321H Forged Fittings
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Dimensions:- Stainless Steel 321/321H Forged Fittings

ASME b16.9 Fittings Normal Pipe Size | ANSI b16 9 Pipe Fitting O D Y | Wall Thickness T (Pipe Elbow Sch.) | LR 45 Deg Elbows Centre to Face B | SR 45 Deg Elbows Weight | LR 90 Deg Elbows Centre to Face A | LR 90 Deg Elbows Weight In Below | SR 90 Deg Elbows Centre to Face A | SR 90 Deg Elbows Weight In Below | ||
mm | inch | mm | mm | Schedule | mm | kg | mm | kg | mm | kg |
15 | 1/2” | 21.3 | 2.78 | STD | 15.9 | 0.04 | 38.1 | 0.08 | – | – |
3.73 | X.S | 15.9 | 0.05 | 38.1 | 0.10 | – | – | |||
20 | 3/4” | 26.7 | 2.87 | STD | 11.1 | 0.04 | 28.6 | 0.08 | – | – |
3.91 | X.S | 11.1 | 0.05 | 28.6 | 0.11 | – | – | |||
25 | 1” | 33.4 | 3.38 | STD | 22.2 | 0.09 | 38.1 | 0.15 | 25.4 | 0.11 |
4.55 | X.S | 22.2 | 0.11 | 38.1 | 0.19 | 25.4 | 0.14 | |||
32 | 11/4” | 42.2 | 3.56 | STD | 25.4 | 0.14 | 47.6 | 0.28 | 31.75 | 0.18 |
4.85 | X.S | 25.4 | 0.2 | 47.6 | 0.39 | 31.75 | 0.24 | |||
40 | 11/2” | 48.3 | 3.68 | STD | 28.6 | 0.2 | 57.1 | 0.4 | 38.1 | 0.26 |
5.08 | X.S | 28.6 | 0.25 | 57.1 | 0.5 | 38.1 | 0.35 | |||
50 | 2” | 60.3 | 3.91 | STD | 34.9 | 0.36 | 76.2 | 0.72 | 50.8 | 0.5 |
5.54 | X.S | 34.9 | 0.5 | 76.2 | 1.0 | 50.8 | 0.68 | |||
65 | 21/2” | 73.0 | 5.16 | STD | 44.4 | 0.73 | 95.2 | 1.46 | 63.5 | 0.95 |
7.01 | X.S | 44.4 | 0.91 | 95.2 | 1.82 | 63.5 | 1.27 | |||
80 | 3” | 88.9 | 5.49 | STD | 50.8 | 1.1 | 114.3 | 2.18 | 76.2 | 1.45 |
7.62 | X.S | 50.8 | 1.45 | 114.3 | 2.86 | 76.2 | 1.95 | |||
100 | 4” | 114.3 | 6.02 | STD | 63.5 | 2.1 | 152.4 | 4.2 | 101.6 | 2.8 |
8.56 | X.S | 63.5 | 2.9 | 152.4 | 5.7 | 101.6 | 3.9 | |||
125 | 5” | 141.3 | 6.65 | STD | 79.4 | 3.4 | 190.0 | 6.8 | 127.0 | 4.8 |
9.5 | X.S | 79.4 | 5.0 | 190.0 | 10.0 | 127.0 | 6.5 | |||
150 | 6” | 168.3 | 7.11 | STD | 95.2 | 5.1 | 229.0 | 10.1 | 152.4 | 6.8 |
10.97 | X.S | 95.2 | 7.7 | 229.0 | 15.3 | 152.4 | 10.2 | |||
200 | 8” | 219.1 | 8.18 | STD | 127.0 | 10.2 | 305.0 | 20.4 | 203.0 | 13.6 |
12.7 | X.S | 127.0 | 15.5 | 305.0 | 30.9 | 203.0 | 20.9 | |||
250 | 10” | 273.9 | 9.27 | STD | 159.0 | 18.1 | 381.0 | 36.1 | 254.0 | 24.1 |
12.7 | X.S | 159.0 | 24.4 | 381.0 | 48.8 | 254.0 | 32.5 | |||
300 | 12” | 323.9 | 9.52 | STD | 190.0 | 26.6 | 457.0 | 53.1 | 305.0 | 35.4 |
12.7 | X.S | 190.0 | 35.0 | 457.0 | 70.0 | 305.0 | 46.7 | |||
350 | 14” | 355.6 | 9.52 | STD | 222.0 | 34.1 | 533.0 | 68.1 | 356.0 | 45.4 |
12.7 | X.S | 222.0 | 45.0 | 533.0 | 90.0 | 356.0 | 60.0 | |||
400 | 16” | 406.4 | 9.52 | STD | 254.0 | 45.0 | 610.0 | 89.3 | 406.0 | 59.5 |
12.7 | X.S | 254.0 | 59.0 | 610.0 | 118.0 | 406.0 | 78.7 | |||
450 | 18” | 457.0 | 9.52 | STD | 286.0 | 56.5 | 686.0 | 113.0 | 457.0 | 75.6 |
12.7 | X.S | 286.0 | 75.0 | 686.0 | 150.0 | 457.0 | 100.0 | |||
500 | 20” | 508.0 | 9.52 | STD | 318.0 | 85.0 | 762.0 | 140.0 | 508.0 | 93.5 |
12.7 | X.S | 318.0 | 112.5 | 762.0 | 186.0 | 508.0 | 124.0 | |||
600 | 24” | 610.00 | 9.52 | STD | 381.0 | 101.5 | 914.0 | 203.0 | 610.0 | 135.0 |
12.7 | X.S | 381.0 | 134.5 | 914.0 | 269.0 | 610.0 | 179.0 |
Pressure Rating:- Stainless Steel 321/321H Forged Fittings
Pressure-Temperature | |||||
Temperature | Class | ||||
150 | 300 | ||||
1/4 - 1 inch. | 1 1/4 - 2 inch. | 2 1/2 - 3 inch. | |||
(oF) | (oC) | ||||
-20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
200 | 93 | 265 | 1785 | 1350 | 910 |
250 | 121 | 225 | 1575 | 1200 | 825 |
300 | 149 | 185 | 1360 | 1050 | 735 |
350 | 177 | 150 | 1150 | 900 | 650 |
400 | 204 | - | 935 | 750 | 560 |
450 | 232 | - | 725 | 600 | 475 |
500 | 260 | - | 510 | 450 | 385 |
550 | 288 | - | 300 | 300 | 300 |
Weight Chart:- Stainless Steel 321/321H Forged Fittings
Normal Pipe Sizes | A | B | QTY | Weight In KG |
¼ | 0.81 | 0.88 | 160 | 0.20 |
⁄ | 0.97 | 1.00 | 130 | 0.26 |
½ | 1.12 | 1.31 | 100 | 0.57 |
¾ | 1.31 | 1.5 | 75 | 0.71 |
1 | 1.5 | 1.81 | 40 | 1.08 |
1 ¼ | 1.75 | 2.19 | 25 | 1.68 |
1 ½ | 2.00 | 2.44 | 18 | 2.38 |
2 | 2.38 | 2.97 | 10 | 3.55 |
2 ½ | 3.00 | 3.62 | 4 | 6.22 |
3 | 3.38 | 4.31 | 2 | 10.36 |
4 | 4.19 | 5.75 | 1 | 23.91 |
Different Types:- Stainless Steel 321/321H Forged Fittings
SS ASTM A182 Threaded Forged Fittings | ASME SA182 Forged Fittings |
321 Stainless Steel 45 Deg Forged Threaded Elbow | SS WNR. 1.4541 45 Deg Threaded Elbow |
SS 321H Threaded Cross | SS 321 Threaded Cap |
SS 321 Threaded Union | SS 321H Threaded Bushing |
Stainless Steel 321 Threaded Hex Plug | UNS S32100 Hexagonal Plug |
SS 321H Forged Threaded Plug | Stainless Steel 321 Threaded Tees |
Price List:- Stainless Steel 321/321H Forged Fittings
- Stainless Steel 321 Elbow
USD $2.1 – $10.03 / Kg - Stainless Steel 321H Pipe Nipple
USD $2.01 – $10.16 / Kg - SS 321 Hex Plug
USD $2.51 – $10.46 / Kg - Stainless Steel 321H Coupling
USD $2.8 – $10.11 / Kg - UNS S32100 Nipple Branch Outlet
USD $2.15 – $10.45 / Kg - ASTM A182 SS 321 Reducing Cross
USD $2.7 – $8.1 / Kg - DIN 1.4541 Olet
USD $2.11 – $10.92 / 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
