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Description

PH7 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: PH7

Chemical composition(mass fraction)(wt.%) of the PH7

C
Si
Mn
P
S
Cr Ni
0.03 0.5 1 0.03 0.01 14-19 34-42
Mo Al Cu Nb Ti V Fe
2.5-5.5 ≤0.35   ≤0.1     ...
N Co Pb B Other    
        W 2-3    
             

Mechanical Properties of steel grade PH7

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)
788 (≥) 711 (≥) 11 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade PH7

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
12 - -     0.44 -  
612 964 - 44.3 311   -  
323 - 22 21.2   114 444

Heat Treatment of steel grade PH7

Heat treated : 1951°C - 1899°C

Technological Curves of steel grade PH7


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