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Description

12-2W High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 12-2W
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 12-2W
HEV8
N07032
HNV3
S65007
HNV6
S65006
2VPermendur
7Mo
7Mo Plus
9Cr-1Mo-V-Cb-N

Chemical composition(mass fraction)(wt.%) of the 12-2W

C
Si
Mn
P
S
Cr Ni
0.20     0.020 0.010 12.0-14.0 1.75-2.25
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
        W 2.5-3.5    
             

Mechanical Properties of steel grade 12-2W

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)
263 (≥) 593 (≥) 43 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 12-2W

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
21 - -     0.13 -  
642 458 - 41.3 442   -  
683 - 41 24.2   134 323

Heat Treatment of steel grade 12-2W

Heat treated : 1618°C - 1356°C

Technological Curves of steel grade 12-2W


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