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Description

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

Datasheet for: Steel Grades:High Alloy: XM-12
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy XM-12
632
S15700
633
S35000
634
S35500
635
S17600
XM-9
S36200

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

C
Si
Mn
P
S
Cr Ni
0.07 1 1 0.04 0.03 14-15.5 3.5-5.5
Mo Al Cu Nb Ti V Ce
    2.5-4.5        
N Co Pb B Other    
        Nb+Ta 0.15-0.45    
             

Mechanical Properties of steel grade XM-12

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)
152 (≥) 553 (≥) 12 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade XM-12

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
41 - -     0.23 -  
138 185 - 41.3 311   -  
552 - 11 13.2   221 324

Heat Treatment of steel grade XM-12

Heat treated : 1452°C - 1244°C

Technological Curves of steel grade XM-12

Cross Reference Table (Equivalent Grade) of XM-12

Grade Standard Country Application
ASTM XM-12 ASTM USA precipitation hardening

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