Japan JIS SUS440B Martensitic special steel and SUS440B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Special Steel | SUS440B | JIS | Japan | Martensitic special steel |
SUS410 |
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SUS410J1 |
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SUS410F2 |
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SUS416 |
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SUS420J1 |
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SUS420J2 |
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SUS420F |
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SUS420F2 |
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SUS431 |
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SUS440A |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) |
---|---|---|---|---|---|---|---|
0.75-0.95 | Max 1.00 | Max 1.00 | Max 0.04 | Max 0.03 | 16.0-18.0 | Max 0.60 | Max 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) |
---|---|---|---|---|---|---|
353 (≥) | 798 (≥) | 32 | 21 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 |
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 |
---|---|---|---|---|---|---|---|
21 | - | - | 0.34 | - | |||
661 | 324 | - | 13.3 | 124 | - | ||
996 | - | 11 | 42.2 | 413 | 413 |
Heat treated : 1238°C - 1685°C
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