USA SAE F 837M (2002) , F 837 Class A1-55 S30403 Specialsteel Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | F 837 Class A1-55 S30403 | Austenite | SAE | USA | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
C | Si | Mn | P | S | Cr | Ni |
---|---|---|---|---|---|---|
≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.0 -20.0 | 8.00 -12.0 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
691 (≥) | 598 (≥) | 21 | 33 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
31 | - | - | 0.24 | - | |||
848 | 237 | - | 12.3 | 343 | - | ||
543 | - | 21 | 44.2 | 341 | 213 |
Heat treated : 1226°C - 1656°C
F 837M (2002) | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) | F-837M--(2002)-.pdf |
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