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  • 1.8070/21CrMoV5-11 21crmov511 21crmov5.11 Forged Forging Forge Steel slag Slab continuous cast casting rolls caster rollers

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We are professional 1.8070/21CrMoV5-11 21crmov511 21crmov5.11 Forged Forging Forge Steel slag Slab continuous cast casting rolls caster rollers 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 539
oC. 

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [10
3 x N/mm2]: 210 
Density [g/cm
3]: 7.80

 


Soft Annealing
Heat to 650-740
oC, cool slowly.

Hardening
Harden from a temperature of 900-950
oC followed by oil or air quenching.

Tempering
Tempering temperature: 680-740
oC.

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

 

Hits:  UpdateTime:2016年12月13日 20:55:38  【Printing】  【Close