321 Stainless Steel Sheet

321 stainless steel has excellent high temperature stress rupture (Stress Rupture) performance and high temperature creep resistance (Creep Resistance), stress mechanical properties are better than 304 stainless steel.

321 Stainless Steel Physical Properties

σb (MPa) ≥520
σ0.2 (MPa) ≥205
ψ (%) ≥50
δ5 (%) ≥40
Hardness(N/mm2) HB≤200
Density (20 ℃, g / cm3) 7.85
Melting point (℃) 1398-1446

Chemical composition of 321 stainless steel

C

Mn

P

S

Si

Cr

Ti

Ni

≤0.08%

≤2.00%

≤0.045%

≤0.03%

≤1.00%

17.00-19.00%

5C-0.70%

9.00-12.00%