ASTM Grade 310S, combining excellent high temperature properties with good ductility and weldability, is designed for high temperature service. It resists oxidation in continuous service at temperatures up to 1150°C provided reducing sulphur gases are not present. It is also used for intermittent service at temperatures up to 1040°C.
ASTM Grade 310S stainless steel 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 ASTM 310S does reduce its high temperature strength compared to 310.
Composition ranges for 310s grade stainless steel
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
|
310S |
min. max. |
- 0.08 |
- 2.00 |
- 1.50 |
- 0.045 |
- 0.030 |
24.0 26.0 |
- |
19.0 22.0 |
- |
Physical properties of 310s grade stainless steel
|
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (mm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Electrical Resistivity (nW.m) |
|||
|
0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
|||||
|
310/S |
7750 |
200 |
15.9 |
16.2 |
17.0 |
14.2 |
18.7 |
500 |
720 |
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