Grade 310S (UNS S31008)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 310S does reduce its high temperature strength compared to 310.
310S Stainless steel chemical composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 310s | min | - | - | - | - | - | 24.0 | - | 19.0 | - |
| max | 0.08 | 2 | 1.5 | 0.045 | 0.03 | 26.0 | 22.0 |
310S Stainless steel Mechanical Properties
| Grade | Tensile Strength(Mpa)min | Yield Strength 0.2% Proof(Mpa)min | Elongation(% in 50mm)min | Hardness | |
| Rockwell B(HR B)max | Brinell(HB)max | ||||
| 310S | 515 | 205 | 40 | 95 | 217 |
310S Stainless steel Machinability
Grade 310S stainless steel can be machined similar to that of grade 304 stainless steel.310S Stainless steel WeldingGrade 310S stainless steel can be welded using fusion or resistance welding techniques. Oxyacetylene welding method is not preferred for welding this alloy.
310S Stainless steel Hot Working
Grade 310S stainless steel can be hot worked after heating at 1177°C (2150°F). It should not be forged below 982°C (1800°F). It is rapidly cooled to increase the corrosion resistance.
310S Stainless steel Cold Working
Grade 310S stainless steel can be headed, upset, drawn, and stamped even though it has high work hardening rate. Annealing is performed after cold working in order to reduce internal stress.
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