1.7321 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Carbon Steel | 1.7321 | |||
20CrMoB3-3 |
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1.7271 |
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20CrMoS2 |
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20CrMo2 |
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1.7311 |
|||||
20CrMo3 |
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1.7320 |
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20CrMoS3 |
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1.7319 |
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20CrMo4 |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
---|---|---|---|---|---|---|
0.17-0.23 | 0.40 | 0.70-1.00 | 0.035 | 0.035 | 0.30-0.60 | |
Mo | Al | Cu | Nb | Ti | V | Ce |
0.40-0.50 | ||||||
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) |
---|---|---|---|---|---|---|
276 (≥) | 975 (≥) | 22 | 12 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.24 | - | |||
162 | 379 | - | 33.3 | 421 | - | ||
787 | - | 12 | 14.2 | 224 | 323 |
Heat treated : 1533°C - 1599°C
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