China GBT GH2018 Age hardening type iron base alloy and GH2018 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Special Alloy | GH2018 | GBT | China | Age hardening type iron base alloy |
GH1016 |
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GH1035 |
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GH1040 |
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ASTM A638 Grade 660B 660D Alloy A286 |
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GH1015 |
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GH1016 |
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GH1035 |
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GH1040 |
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GH1131 |
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GH1140 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | W(%) | Al(%) | Ti(%) | Other(%) |
---|---|---|---|---|---|---|---|---|---|---|---|
≤0.06 | 0.6 | 0.5 | 0.02 | 0.015 | 18.0-21.0 | 40.0-44.0 | 3.70-4.30 | 1.80-2.20 | 0.35-0.75 | 1.80-2.20 | B≤0.015,Ce≤0.02,Zr≤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) |
---|---|---|---|---|---|---|
352 (≥) | 143 (≥) | 22 | 14 | 41 | 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 | - | - | 0.41 | - | |||
263 | 892 | - | 24.3 | 322 | - | ||
348 | - | 31 | 33.2 | 333 | 314 |
Heat treated : 1858°C - 1314°C
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