What is Stainless Steel 304/304L/304H Flanges ?
We are Sumit impex offering the high-grade SS bars at most reasonable rates. We are largest production unit and stockiest of Stainless Steel 304H Bar. Here one can get them in different specifications, standards, designation, custom lengths also in various shapes such as hex, acorn, billet, round, rectangle, square and so on. All of these can be customized according to the requirement of the clients. We process these bars from top-notch stainless steel which we bought from approved vendors. The heat treatment process we conduct refines the hardenability of bars. Also, these are offered in tempered and quenched states. The SS grade is completely austenitic in nature. These are designed for long-term applications due to its unmatched strength. Apart from this SS bars is magnetic and non-magnetic in nature one can choose as per their suitability.

Stainless Steel 347H Threaded Fitting, SS 347H Threaded Pipe Elbow, 347H Stainless Steel Forged Threaded 90deg. Elbow, SS 347H Threaded Fittings, SS UNS S34709 Threaded Bushing, Stainless Steel 347H Threaded Cap, SS 347H Screwed Fittings Supplier in Mumbai, India.
ASTM A182 Stainless Steel 347H Threaded Elbow, SS 347H Threaded Plug, SS 347H Hex Plug, SS 347H Lateral Tee, Stainless Steel 347H Threaded Forged Fittings, SS WERKSTOFF NR. 1.4961 Threaded Cross, 347H SS Full Couplings Exporter in India.
Stainless Steel 304H Bar gets its desired dimensions and surface finish with thorough surface refinement process. Additionally, these are coated with SATIN and bright black polish that prevents from rusting mostly in the uncovered parts.
These bars have improved corrosion and abrasion resistance. Most importantly, SS grade bars resist buckling in terms of normal load that is the prominent option for engineering applications. These bars also possess good machinability, formability so these are easily modified into complex shapes.
These impart erosion due to harsh chemicals such as sulfides, chlorides, and acids that are due to high-grade ingot structure. Cracking like pitting, crevice and stress are opposed by the surface ideal for adverse environments.
Stainless Steel 304/304H/304L Flanges Specifications
Specifications | : | ASTM A182 / ASME SA182 |
Size | : | 1/2″ (15 NB) to 48″ (1200NB) |
Standards |
: | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
SS 304H | 1.4301 | S30409 | – | – | – | – | – |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
SS 304L | 0.035 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 13 | – |
SS 304H | 0.10 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 10.5 | – |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Other Products
SS 304 SORF Flanges | ASTM A182 SS 304 WNRF Flanges |
SS 304 Blind Flanges | SUS 304 Spacer Ring Flanges |
UNS S30400 Ring Type Joint Flanges | SS 304 Nipolet Flanges |
SS 304 Nipo Flange | SS 304 Long weld Neck Flanges |
304 Stainless Steel Pipe Flanges | UNS S30400 Nipolet Flanges |
WNR. 1.4301 Flat Flange | SS 304 Lap Joint Flanges |
Stainless Steel 304/304H/304L Flanges Price List
- 304L stainless steel bars
US $1000-2500 / Ton - astm a276 ss 304L rods
US $2000-3000 / Ton - stainless steel hex bar 304L
US $1.5-4.5 / Kilogram - ASTM A479 304L stainless steel round bar
US $1800-2300 / Ton - ss 304L square bar
US $1550-2400 / Ton - 304L stainless steel bar manufacturer
US $1800-2300 / Ton - ASTM A276 Gr. 304L rods
US $1300-2600 / Metric Ton

Packaging
We Sumit Impex Metal Ensure the best quality of Packing , because its play important role especially in a case of international shipments in which consignment pass 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
- 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)
- Micro Test
- Macro Test
- Hardness Test
- Flaring Test
- Flattening Test
- Hydrostatic Test
- Radiography Test
- Ultra Sonic Test (UT)
- Eddy Current Testing
- Impact Test
- Bend Test

Application Industries
These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.
- Construction
- Bridges
- Petrochemical Industry
- Ship Building
- Engineering
- General Structural Purposes
- Offshore and Onshore Services

Stainless Steel Sheet Manufacturers












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