309 Stainless Steel Sheet

309 stainless steel has better temperature resistance than 304, and the temperature resistance is as high as 980 ℃. 309 does not contain sulfur compared with 309S.

309 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 (℃) 1372~1420

Chemical composition of 309 stainless steel

C

Mn

P

S

Si

Cr

Ni

≤0.20%

≤2.00%

≤0.045%

≥0.030%

≤0.75%

22.0-24.0%

12.0-15.0%