SAE 8620RH Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Carbon Steel | SAE 8620RH | |||
SAE 4130RH |
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SAE 4140RH |
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SAE 4145RH |
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SAE 4161RH |
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SAE 4320RH |
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SAE 4620RH |
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SAE 4820RH |
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SAE 5130RH |
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SAE 5140RH |
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SAE 5160RH |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
---|---|---|---|---|---|---|
0.18-0.23 | 0.15-0.35 | 0.7-0.9 | 0.025 | 0.04 | 0.4-0.6 | 0.4-0.7 |
Mo | Al | Cu | Nb | Ti | V | Ce |
0.15-0.25 | ≤ 0.35 | |||||
N | Co | Pb | B | Other | ||
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) |
---|---|---|---|---|---|---|
811 (≥) | 458 (≥) | 44 | 31 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 |
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 |
---|---|---|---|---|---|---|---|
23 | - | - | 0.33 | - | |||
592 | 568 | - | 23.3 | 231 | - | ||
389 | - | 12 | 44.2 | 324 | 412 |
Heat treated : 1488°C - 1935°C
Grade | Standard | Country | Application |
---|---|---|---|
SAE NVl(1541) | SAE | USA | precipitation hardening |
SAE NV2(1547) | SAE | USA | precipitation hardening |
SAE NV3 | SAE | USA | precipitation hardening |
SAE NV4(3140) | SAE | USA | precipitation hardening |
SAE NV5(8645) | SAE | USA | precipitation hardening |
SAE NV6(5150) | SAE | USA | precipitation hardening |
SAE NV7(4140) | SAE | USA | precipitation hardening |
SAE NV8 | USA | precipitation hardening | |
SAE NV9 | SAE | USA | precipitation hardening |
SAE HNVl | SAE | USA | precipitation hardening |
SAE HNV2 | SAE | USA | precipitation hardening |
SAE HNV3 | SAE | USA | precipitation hardening |
SAE HNV4 | SAE | USA | precipitation hardening |
SAE HNV5 | SAE | USA | precipitation hardening |
SAE HNV6 | SAE | USA | precipitation hardening |
SAE HNV7(71360) | SAE | USA | precipitation hardening |
SAE HNV8 | SAE | USA | precipitation hardening |
SAE EVl | SAE | USA | precipitation hardening |
SAE EV2 | SAE | USA | precipitation hardening |
SAE EV3 | SAE | USA | precipitation hardening |
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