Home > Stainless Steel 321 Forging
Stainless steel 321 Forging excels in harsh environments due to its high corrosion resistance and thermal stability. Known for its durability and weldability, SS 321 forged components are important in the aerospace, medical and automotive industries. These moulds retain strength at high temperatures, making them ideal for critical applications. Examine reliable performance and craftsmanship in stainless steel 321 forging solutions that meet industry stringency and performance requirements.
| Chemical Composition, % | |||||||||||
| ASTM Type | AISI Type (UNS) | C, ≤ | Si, ≤ | Mn, ≤ | P, ≤ | S, ≤ | Cr | Ni | N, ≤ | Other Elements | Notes |
| ASTM A240/A240M | 321 (UNS S32100) | 0.08 | 0.75 | 2.00 | 0.045 | 0.03 | 17.0-19.0 | 9.0-12.0 | 0.10 | ≥ Ti 5×(C+N), ≤ 0.70 | Plate, Sheet, and Strip for Pressure Vessels |
| ASTM A276A/276M | 1.00 | – | Stainless Steel Bars and Shapes | ||||||||
| ASTM A580/A580M | – | ≥ Ti 5×C | Stainless Steel Wire | ||||||||
| ASTM A959 | 0.10 | ≥ Ti 5×(C+N), ≤ 0.70 | Wrought Stainless Steels | ||||||||
| ASTM A473 | – | ≥ Ti 5×C | Stainless Steel Forgings | ||||||||
| ASTM A314 | – | ≥ Ti 5×(C+N), ≤ 0.70 | Billets and bars for forging | ||||||||
| ASTM A240/A240M | 321H (UNS S32109) | 0.04-0.10 | 0.75 | 2.00 | 0.045 | 0.03 | 17.0-19.0 | 9.0-12.0 | 0.10 | ≥ Ti 4x(C+N), ≤ 0.70 | Plate, Sheet, and Strip |
| ASTM A959 | 1.00 | 0.10 | Wrought Stainless Steels | ||||||||
| ASTM A312/A312M | TP321 (UNS S32100) | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 17.0-19.0 | 9.0-12.0 | 0.10 | ≥ Ti 5×(C+N), ≤ 0.70 | Stainless Steel Pipes |
| TP321H (UNS S32109) | 0.04-0.10 | 1.00 | 2.00 | 0.045 | 0.03 | 17.0-19.0 | 9.0-12.0 | 0.10 | ≥ Ti 4x(C+N), ≤ 0.70 | ||
| SS 321 Mechanical Properties | |||||||||
| ASTM | AISI Type (UNS) | Conditions | Tensile Strength, MPa (ksi), ≥ | 0.2% Yield Strength, MPa (ksi), ≥ | Elongation in 50 mm (2 in.), %, ≥ | Reduction of Area, %, ≥ | Brinell Hardness (HBW), ≤ | Rockwell Hardness (HRBW), ≤ | Product forms |
| ASTM A276/A276M | 321 (UNS S32100) | Annealed, Hot finished | 515 (75) | 205 (30) | 40 | 50 | – | – | Bars and Shapes |
| Annealed, Cold finished, Dia ≤ 12.7 mm (0.5 in.) | 620 (90) | 310 (45) | 30 | 40 | – | – | |||
| Annealed, Cold finished, Dia > 12.7 mm (0.5 in.) | 515 (75) | 205 (30) | 30 | 40 | – | – | |||
| ASTM A580/A580M | Annealed | 520 (75) | 210 (30) | 35 | 50 | Wire | |||
| Cold finished | 620 (90) | 310 (45) | 30 | 40 | – | – | |||
| ASTM A473/A473M | Annealed, Sections ≤ 5 in. (127 mm) | 515 (75) | 205 (30) | 40 | 50 | – | – | Forgings | |
| Annealed, Sections > 5 in. (127 mm) | 70 (485) | ||||||||
| ASTM A240/A240M | 321, 321H (UNS S32109) | – | 515 (75) | 205 (30) | 40 | – | 201 | 92 | Plate, Sheet, and Strip |
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We offer These Stainless Steel 321 Forging as per DIN, ISO, JIS or ANSI Standard.
Stainless Steel 321 Forging 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 321 forging is recyclable. Like other stainless steels, SS 321 can be recycled through melting and reprocessing without losing its beneficial properties. This recyclability contributes to environmental sustainability by conserving resources, reducing energy consumption, and minimizing waste. Recycled stainless steel 321 can be used to manufacture new forgings and other products, supporting eco-friendly practices in various industries.
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