Home > Stainless Steel 321H Forging
Stainless Steel 321H Forging is known for its exceptional resistance to high temperatures and corrosion. With excellent mechanical properties, SS 321H forged components are important in aerospace, chemical and thermal environments. The higher carbon content makes it more durable and ideal for applications that require prolonged use at high temperatures. Find precisely designed stainless steel 321H forging solutions that meet exacting industry requirements and ensure reliability and durability under harsh conditions.
| 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 321H Forging as per DIN, ISO, JIS or ANSI Standard.
Stainless Steel 321H 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 321H forging is recyclable. Like other stainless steels, SS 321H can be recycled through melting and reprocessing without losing its valuable properties. This recyclability supports sustainable practices by conserving resources and reducing environmental impact. Recycled stainless steel 321H can be used to create new forgings and other products, making it an eco-friendly choice for various industrial applications focused on environmental stewardship.
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