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A709 Gr.HPS70W

Description

A709 Gr.HPS70W Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A709 Gr.HPS70W

Chemical composition(mass fraction)(wt.%) of the A709 Gr.HPS70W

 


C
Si
Mn
P
S
Cr Ni
0.11 0.3-0.5 1.1-1.35 0.02 0.006 0.45-0.7 0.25-0.4
Mo Al Cu Nb Ti V Ce
0.02-0.08 0.01-0.04 0.25-0.4     0.04-0.08  
N Co Pb B Other    
≤0.015            
             

Mechanical Properties of steel grade A709 Gr.HPS70W

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)
839 (≥) 622 (≥) 32 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade A709 Gr.HPS70W

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
31 - -     0.31 -  
864 268 - 14.3 213   -  
777 - 24 14.2   241 312

Heat Treatment of steel grade A709 Gr.HPS70W

Heat treated : 1541°C - 1985°C

Technological Curves of steel grade A709 Gr.HPS70W


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