USA SAE F 837M (2002) , F 837 Class A1-50 S30300 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 A1-50 S30300 | Austenite | SAE | USA | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
C | Si | Mn | P | S | Cr | Ni | Mo |
---|---|---|---|---|---|---|---|
≤0.15 | ≤1.00 | ≤2.00 | ≤0.2 | 0.15 - ≥ | 17.0 -19.0 | 8.00 -10.0 | ≤0.60 |
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) |
---|---|---|---|---|---|---|
395 (≥) | 963 (≥) | 31 | 24 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 |
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 |
---|---|---|---|---|---|---|---|
23 | - | - | 0.14 | - | |||
285 | 788 | - | 23.3 | 141 | - | ||
591 | - | 21 | 32.2 | 344 | 321 |
Heat treated : 1445°C - 1563°C
Grade | Standard | Country | Application |
---|---|---|---|
M303 | |||
1.4303 | |||
1.4303 | |||
1.2303 | |||
303 | |||
S30300 | |||
303Se | |||
S30323 | |||
S30345 | |||
303MA | |||
S30345 | |||
S30310 | |||
S43035 | |||
S43036 | |||
S43035 | |||
303Al Mod | |||
S43035 | |||
303 | |||
S30300 | |||
S30310 |
F 837M (2002) | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) | F-837M--(2002)-.pdf |
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