Home > Stainless Steel >Stainless Steel 321H Flanges
Stainless steel 321H flanges are primarily alloyed with 17-19% chromium, 9-12% nickel, and 0.04-0.10% high carbon, with titanium added to stabilize the system and deliver good resistance to oxidation and corrosion, particularly in high-temperature zones, up to 900°C. Their high strength and intergranular corrosion resistance make them well suited for use in the aerospace and petrochemical industries. Advantages include great durability, corrosion resistance, and outstanding 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 % |
At Koasteel, we take great pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically positioned throughout New Zealand, we maintain an extensive stock of more than 25,000 tons of top-quality materials ready and available in inventory.
Reach out to us for a fast quote tailored to your requirement.
We supply these Stainless Steel 321H Flanges in accordance with DIN, ISO, JIS or ANSI Standard.
Stainless Steel 321H Flanges serve a wide range of uses that are as varied as the industries relying on them, led mainly by the aerospace, railway, construction and automotive industries along 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 are recyclable. Stainless steel is highly recyclable and keeps its properties across many recycling cycles, which makes it a sustainable material option. Ensure correct sorting and processing to preserve quality in recycled products.