Japan JIS G 4319 (1991), SUS 420J 2FB Specialsteel Stainless steel blooms and billets for forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SUS 420J 2FB | Martensite | JIS | Japan | Stainless steel blooms and billets for forgings |
C | Si | Mn | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
0.16 -0.25 | ≤1.00 | ≤1.00 | ≤0.06 | ≤0.03 | 12.00 -14.00 | ≤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) |
---|---|---|---|---|---|---|
912 (≥) | 785 (≥) | 31 | 24 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
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 |
---|---|---|---|---|---|---|---|
14 | - | - | 0.42 | - | |||
444 | 811 | - | 33.3 | 334 | - | ||
145 | - | 34 | 31.2 | 442 | 234 |
Heat treated : 1877°C - 1819°C
G 4319 (1991) | Stainless steel blooms and billets for forgings | G-4319-(1991).pdf |
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