310S (0Cr25Ni20) is austenitic chrome-nickel stainless steel with good oxidation resistance and corrosion resistance because of the higher percentage of chromium and nickel.
ASTM A240 310S steel has much better creep strength, can continue to operate at high temperatures and has good high temperature resistance.
ASTM A240 310S stainless steel Chemical Composition:
Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
A240 310S |
≤0.08 |
≤1.500 |
≤2.00 |
≤0.035 |
≤0.030 |
≤19.00-22.00 |
≤24.00-26.00 |
ASTM A240 310S stainless steel Mechanical properties:
Grade |
Tensile strength (бb) (Mpa) |
Yield strength (σs) (Mpa) |
Area reduction (ψ)% |
A240 310S |
≥ 520 |
≥ 205 |
≥50 |
Heat treatment:
Tempering: 180~200
Annealing condition, ≤207HB, indentation diameter ≥ 4.20mm
Quenching, ≥62HRC
310S stainless steel use:
Stamping dies, fixtures, tools, gauges, cutters, auxiliary tools, etc.
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