Romania STAS/SR 20MnCr12 Alloy structural steel and 20MnCr12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Structure Steel | 20MnCr12 | STAS/SR | Romania | Alloy structural steel |
18CrNi20X |
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18CrNi20XS |
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18MnCr11 |
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18MnCr11S |
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18MnCr11X |
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18MnCr11XS |
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19MoCr11 |
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!9MoCr11S |
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19MoCr11X |
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19MoCr11XS |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | Cu(%) | Ti(%) |
---|---|---|---|---|---|---|---|---|---|
0.17-0.22 | 0.17-0.37 | 1.10- 1.40 | 0.035 | 0.035 | 1.00- 1.30 | 0.3 | 0.15 | 0.30 | 0.02 |
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) |
---|---|---|---|---|---|---|
553 (≥) | 884 (≥) | 44 | 13 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 |
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 |
---|---|---|---|---|---|---|---|
24 | - | - | 0.12 | - | |||
229 | 443 | - | 42.3 | 344 | - | ||
547 | - | 22 | 34.2 | 322 | 221 |
Heat treated : 1522°C - 1762°C
Grade | Standard | Country | Application |
---|---|---|---|
20MnCr12 | STAS/SR | Romania | Alloy structural steel |
20MnCr12S | STAS/SR | Romania | Alloy structural steel |
20MnCr12X | STAS/SR | Romania | Alloy structural steel |
20MnCr12XS | STAS/SR | Romania | Alloy structural steel |
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