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SS 310 / 310S

Stainless Steel 310, combining excellent high temperature properties with good weldability and ductility, is designed for high temperature service. SS 310 resists oxidation in continuous service at temperatures up to 1150°C provided reducing sulfur gases are not present. SS 310 is also used for intermittent service at temperatures up to 1040°C

Stainless Steel 310S is used when the application environment involves moist corrodents in a temperature range lower than that which is normally considered “high temperature” service. The lower carbon content of SS 310S does reduce its high temperature strength compared to 310.

Specifications

Stainless Steel SS 310 / 310S
1 AISI 310 / 310S
2 UNS S31000 / S31008
3 Werkstoff Nr. 1.4841 / 1.4845

Chemical Composition

SS 310 SS 310S
Ni 19 – 22 19 – 22
Cr 24 – 26 24 – 26
C 0.25 max 0.08 max
Fe Balance
Mn 2 max 2 max
Si 1.50 max 1.50 max
S 0.03 max 0.03 max
P 0.045 max 0.045 max

Mechanical & Physical Properties

Density 8.0 g/cm3
Melting Point 1454 °C (2650 °F)
Tensile Strength Psi – 75000 , MPa – 515
Yield Strength (0.2%Offset) Psi – 30000 , MPa – 205
Elongation 35 %