Korea KS D 3706 (2008), STS440B Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | STS440B | Martensite | KS | Korea | Stainless steel bars |
C | Si | Mn | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
0.75 -0.95 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 16.00 -18.00 | ≤0.60 | ≤0.75 | ≤ ≥ |
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) |
---|---|---|---|---|---|---|
941 (≥) | 519 (≥) | 42 | 42 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
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 | - | - | 0.21 | - | |||
348 | 486 | - | 34.3 | 223 | - | ||
373 | - | 34 | 13.2 | 222 | 111 |
Heat treated : 1989°C - 1614°C
D 3706 (2008) | Stainless steel bars | D-3706-(2008).pdf |
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