Japan JIS G 4311 (2011), SUH 309 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 | SUH 309 | Austenite | JIS | Japan | Heat-resisting steel bars and wire rods |
| C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|
| ≤0.20 | ≤1.00 | ≤2.00 | ≤0.04 | ≤0.03 | 22.00 -24.00 | 12.00 -15.00 | ≤ ≥ |
| 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) |
|---|---|---|---|---|---|---|
| 118 (≥) | 347 (≥) | 11 | 32 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 |
| 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 |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.14 | - | |||
| 457 | 587 | - | 32.3 | 323 | - | ||
| 978 | - | 11 | 14.2 | 211 | 122 |
Heat treated : 1774°C - 1223°C
| G 4311 (2011) | Heat-resisting steel bars and wire rods | G-4311-(2011).pdf |
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