Korea KS D 3691 (2001), STS431FB 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 | STS431FB | Martensite | KS | Korea | Stainless steel blooms and billets for forgings |
C | Si | Mn | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
≤0.20 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 15.00 -17.00 | 1.25 -2.50 | ≤ ≥ | ≤ ≥ |
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) |
---|---|---|---|---|---|---|
155 (≥) | 623 (≥) | 22 | 42 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.24 | - | |||
728 | 555 | - | 41.3 | 113 | - | ||
661 | - | 11 | 33.2 | 314 | 214 |
Heat treated : 1579°C - 1834°C
D 3691 (2001) | Stainless steel blooms and billets for forgings | D-3691-(2001).pdf |
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