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A765 Grade V Class 1

America ASTM A765GradeVClass1 具有强制性韧性要求的碳素钢及低合金钢压力容器部件锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A765 Grade V Class 1 ASTM A765/A765M America 具有强制性韧性要求的碳素钢及低合金钢压力容器部件锻件

Chemical composition(mass fraction)(wt.%) of the A765 Grade V Class 1

Element Min Max Similar
V - 0.0300 -
Si 0.1500 0.3500 -
S - 0.0200 -
P - 0.0200 -
Ni 1.0000 2.0000 -
Mo - 0.1200 -
Mn 0.6000 1.3500 -
Cu - 0.3500 -
Cr - 0.3000 -
C - 0.3000 -
Al - 0.0500 -

Mechanical Properties of steel grade A765 Grade V Class 1

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)
511 (≥) 145 (≥) 22 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade A765 Grade V Class 1

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
24 - -     0.21 -  
378 574 - 13.3 423   -  
484 - 42 33.2   314 232

Heat Treatment of steel grade A765 Grade V Class 1

Heat treated : 1847°C - 1844°C

Technological Curves of steel grade A765 Grade V Class 1

Cross Reference Table (Equivalent Grade) of A765 Grade V Class 1

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