Japan JIS G 4311 (2011), SUS 631 Specialsteel Heat-resisting steel bars and wire rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SUS 631 | Precipitation-Hardening | JIS | Japan | Heat-resisting steel bars and wire rods |
C | Si | Mn | P | S | Cr | Ni | Mo | N | Al |
---|---|---|---|---|---|---|---|---|---|
≤0.09 | ≤1.00 | ≤1.00 | ≤0.04 | ≤0.03 | 16.00 -18.00 | 6.50 -7.75 | ≤ ≥ | ≤ ≥ | 0.75 -1.50 |
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) |
---|---|---|---|---|---|---|
583 (≥) | 694 (≥) | 44 | 31 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 |
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 | - | - | 0.34 | - | |||
446 | 512 | - | 44.3 | 342 | - | ||
481 | - | 24 | 34.2 | 231 | 434 |
Heat treated : 1187°C - 1685°C
G 4311 (2011) | Heat-resisting steel bars and wire rods | G-4311-(2011).pdf |
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