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A672 J 80 Class 1 Type E

America ASTM A672J80Class1TypeE 中温高压用电熔焊钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A672 J 80 Class 1 Type E ASTM A672 America 中温高压用电熔焊钢管

Chemical composition(mass fraction)(wt.%) of the A672 J 80 Class 1 Type E

Element Min Max Similar
C - 0.2000 -
Mn 1.1500 1.7000 -
P - 0.0200 -
S - 0.0150 -
Si 0.1500 0.4000 -
Ni 0.6000 1.0000 -
Cr - 0.6000 -
Mo 0.2500 0.6000 -

Mechanical Properties of steel grade A672 J 80 Class 1 Type E

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)
947 (≥) 981 (≥) 23 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade A672 J 80 Class 1 Type E

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
41 - -     0.31 -  
652 333 - 21.3 112   -  
637 - 43 24.2   212 131

Heat Treatment of steel grade A672 J 80 Class 1 Type E

Heat treated : 1152°C - 1453°C

Technological Curves of steel grade A672 J 80 Class 1 Type E

Cross Reference Table (Equivalent Grade) of A672 J 80 Class 1 Type E

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