309 stainless steel belongs to the international stainless steel marking method. 309S - S30908 Stainless Steel (American AISI, ASTM) The Chinese grade corresponding to 309S is 0Cr23Ni13.Features and uses: Corrosion resistance and heat resistance are better than 0Cr19Ni9.
characteristic:
It can withstand repeated heating below 980 ℃ and has high temperature resistance, oxidation resistance and carburization resistance.
chemical composition:
309S stainless steel GB / T1220-1992
C≤0.08
Mn≤2.00
Yes≤1.00
P≤0.045
S≤0.030
Ni≤12.0-15.0
Cr≤22.0-24.0
Mechanical properties:
Yield strength / MPa: ≥ 205
Tensile strength / MPa: ≥515
Elongation /%: ≥ 40
Area reduction /%: ≥50
Uses: Materials for ovens.
It is widely used in important fields such as boilers, energy sources (nuclear energy, thermal energy, fuel cells), industrial furnaces, incinerators, heating furnaces, chemical and petrochemical industries.
