303 Stainless Steel Sheet

303 stainless steel is an austenitic type free-cutting stainless wear-resistant acid steel containing sulfur and selenium, respectively. It is used for occasions requiring free-cutting and high surface finish.

303 Stainless Steel Physical Properties

σb (MPa) ≥520
σ0.2 (MPa) ≥205
ψ (%) ≥50
δ5 (%) ≥40
Hardness(N/mm2) HB≤187HB;HRC≤90HRB;HV≤200HV
Density (20 ℃, g / cm3) 7.93
Melting point (℃) 1398~1420

Chemical composition of 303 stainless steel

C

Mn

P

S

Si

Cr

Mo 

Ni

≤0.15%

≤2.00%

≤0.20%

≥0.15%

≤1.00%

17.00-19.00%

≤0.6%

8.00-10.00%

Scope of application

Petroleum, electronics, chemical, pharmaceutical, textile, food, machinery, construction, and other industries.