Japan JIS G 4319 (1991), SUS 321 HFB 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 321 HFB | Austenite | JIS | Japan | Stainless steel blooms and billets for forgings |
C | Si | Mn | P | S | Cr | Ni | Mo | N | Ti |
---|---|---|---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 17.00 -19.00 | 9.00 -13.00 | ≤ ≥ | ≤ ≥ | 5×C% - ≥ |
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) |
---|---|---|---|---|---|---|
814 (≥) | 399 (≥) | 24 | 12 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
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 |
---|---|---|---|---|---|---|---|
42 | - | - | 0.23 | - | |||
242 | 251 | - | 43.3 | 214 | - | ||
645 | - | 24 | 42.2 | 133 | 324 |
Heat treated : 1227°C - 1144°C
G 4319 (1991) | Stainless steel blooms and billets for forgings | G-4319-(1991).pdf |
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