Stainless Steel 321 and 321H are austenitic stainless steels known for their exceptional resistance to high temperatures and corrosive environments. These alloys are popular choices in various industries, including aerospace, petrochemical, and manufacturing, where performance under extreme conditions is crucial. The production of billets from Stainless Steel 321/321H further extends their utility in diverse applications.
Alloy Composition and Characteristics: Stainless Steel 321 is a stabilized version of 304 stainless steel, featuring additions of titanium to prevent sensitization during welding. The 321H variant contains higher carbon content to enhance high-temperature strength. Both alloys exhibit excellent resistance to intergranular corrosion and oxidation up to elevated temperatures.
Billet Production Process: The production of Stainless Steel 321/321H Billets involves a series of carefully controlled processes. The raw material, typically in the form of stainless steel ingots, undergoes hot working through processes like extrusion or rotary piercing to form billets. These billets are then subjected to heat treatment, further refining the microstructure and ensuring the desired mechanical properties.
Table Of Content
Key Advantages of Stainless Steel 321/321H Billets:
High-Temperature Resistance: Stainless Steel 321H billets maintain their structural integrity at elevated temperatures, making them suitable for applications involving heat and thermal cycling.
Corrosion Resistance: The alloys' chromium and nickel content provide excellent corrosion resistance in various corrosive environments, including acids and salt water.
Weldability: The titanium stabilization in Stainless Steel 321 minimizes the risk of sensitization during welding, ensuring that the material retains its corrosion resistance in welded areas.
Durability and Strength: The addition of carbon in SS 321H Billets enhances the high-temperature strength of the alloy, making it suitable for demanding applications.
Applications:
Stainless Steel 321 Billets find applications in manufacturing components for heat exchangers, furnace parts, and other equipment requiring corrosion resistance and high-temperature stability. Their versatility and performance make them crucial in industries where reliability in harsh environments is paramount.
ASTM A314 / ASME SA314
80mm - 200 mm
Exact or random as per buyers requirements
6 meter, 3 meter
Stainless Steel
Construction, Household Repair, Manufacturing
Square
4 Mm
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
| 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 |
| 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 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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