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A812 Grade 65

America ASTM A812Grade65 钢,高强度,低合金,热轧,焊接式高压容器 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A812Grade65 / A812 Grade 65
Category Grade Standard Region/Area Standard Content
Metals A812 Grade 65 ASTM A812/A812M America 钢,高强度,低合金,热轧,焊接式高压容器

Chemical composition(mass fraction)(wt.%) of the A812 Grade 65

Element Min Max Similar
Si - - -
S - 0.0400 -
P - 0.0350 -
Nb+V 0.0200 0.1500 -
Nb - 0.0500 -
Mn - 1.4000 -
C - 0.2300 -

Mechanical Properties of steel grade A812 Grade 65

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)
571 (≥) 952 (≥) 33 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade A812 Grade 65

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
42 - -     0.24 -  
497 681 - 24.3 332   -  
513 - 42 12.2   244 444

Heat Treatment of steel grade A812 Grade 65

Heat treated : 1712°C - 1176°C

Technological Curves of steel grade A812 Grade 65

Cross Reference Table (Equivalent Grade) of A812 Grade 65

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