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Description

MVMA High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: MVMA

Chemical composition(mass fraction)(wt.%) of the MVMA

C
Si
Mn
P
S
Cr Ni
0.04-0.06 1 0.8 0.045 0.03 18-19 9-10
Mo Al Cu Nb Ti V Ce
≤0.5           0.03-0.08
N Co Pb B Other    
0.12-0.18            
             

Mechanical Properties of steel grade MVMA

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)
158 (≥) 474 (≥) 34 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade MVMA

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
11 - -     0.34 -  
523 661 - 13.3 144   -  
951 - 24 32.2   234 343

Heat Treatment of steel grade MVMA

Heat treated : 1736°C - 1354°C

Technological Curves of steel grade MVMA


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