Home > Stainless Steel >Stainless Steel 321H Flanges
Stainless steel 321H flanges are mainly alloyed with 17-19% chromium, 9-12% nickel, and 0.04-0.10% high carbon, titanium is added to stabilize the system to provide good resistance to oxidation and corrosion, especially at high-temperature regions , up to 900°C. Their high strength and intergranular corrosion resistance make them ideal for applications in the aerospace and petrochemical industries. Benefits include great durability, corrosion resistance, and excellent performance under extreme conditions.
| Specifications List | ASTM A182 / ASME SA182 |
|---|---|
| Class / Pressure Rating | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) |
| ASTM Standards | ANSI/ASME B16.5, B16.48, BS4504, B 16.47 Series A & B, BS 10, EN-1092, DIN, etc. |
| Standard Flange | ANSI, ASME, BS, DIN, EN etc. |
| 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 |
| 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 % |
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We offer These Stainless Steel 321H Flanges as per DIN, ISO, JIS or ANSI Standard.
Stainless Steel 321H Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes, Stainless Steel 321H flanges can be recycled. Stainless steel is highly recyclable and retains its properties through multiple recycling cycles, making it a sustainable material choice. Ensure proper sorting and processing to maintain quality in recycled products.
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