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parameters1：
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We are professional 21CrMoV5-11(1.8070,21crmov511,21crmov5.11)Forged forging forge Steel Round Bars Rods Square rectangle rectangular Flat Bars from china
Chemical Composition (in weight %)
|
C |
Si |
Mn |
Cr |
Mo |
Ni |
V |
W |
Others |
|
0.21 |
0.45 |
0.45 |
1.35 |
1.10 |
max. 0.30 |
0.30 |
- |
- |
Description
Special structural steel.
Applications
Screws and nuts and forged components for staem engines up to working temperatures of maximum 539oC.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.80
Soft Annealing
Heat to 650-740oC, cool slowly.
Hardening
Harden from a temperature of 900-950oC followed by oil or air quenching.
Tempering
Tempering temperature: 680-740oC.
Mechanical Properties in Quenched and Tempered Condition
|
Diameter (mm) |
0.2 proof stress (N/mm2) |
Tensile stregth (N/mm2) |
Elongation (%) |
Reduction (%) |
Notch impact energy (ISO-V) (J) |
|
Up to 160 |
540 |
690-830 |
16 |
- |
55 |
