UK B.S. BS S 162, S.162 Specialsteel Specification for 18% nickel-cobalt-molybdenum maraging steel forging stock, forgings, bars and parts (1800 MPa: double vaccuum melted) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | S.162 | B.S. | UK | Specification for 18% nickel-cobalt-molybdenum maraging steel forging stock, forgings, bars and parts (1800 MPa: double vaccuum melted) |
C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Co | Al | B | Zr | Ca |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.015 | ≤0.10 | ≤0.10 | ≤0.010 | ≤0.010 | ≤0.25 | 17.00 -19.00 | 4.60 -5.20 | 0.03 -0.60 | 7.00 -8.50 | 0.05 -0.15 | ≤0.0050 | ≤0.02 | ≤0.05 |
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) |
---|---|---|---|---|---|---|
487 (≥) | 694 (≥) | 32 | 42 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 |
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 | - | - | 0.21 | - | |||
728 | 826 | - | 41.3 | 413 | - | ||
169 | - | 23 | 31.2 | 333 | 321 |
Heat treated : 1957°C - 1432°C
BS S 162 | Specification for 18% nickel-cobalt-molybdenum maraging steel forging stock, forgings, bars and parts (1800 MPa: double vaccuum melted) | BS-S-162.pdf |
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