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A743 Grade CB-30

America ASTM A743GradeCB-30 一般用耐腐蚀铬铁及镍铬铁合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A743GradeCB-30 / A743 Grade CB-30
Category Grade Standard Region/Area Standard Content
Metals A743 Grade CB-30 ASTM A743/A743M America 一般用耐腐蚀铬铁及镍铬铁合金铸件

Chemical composition(mass fraction)(wt.%) of the A743 Grade CB-30

Element Min Max Similar
Si - 1.5000 -
S - 0.0400 -
P - 0.0400 -
Ni - 2.0000 -
Mn - 1.0000 -
Cu 0.9000 1.2000 -
Cr 18.0000 21.0000 -
C - 0.3000 -

Mechanical Properties of steel grade A743 Grade CB-30

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)
611 (≥) 858 (≥) 43 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade A743 Grade CB-30

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
34 - -     0.43 -  
383 765 - 14.3 232   -  
672 - 11 43.2   341 332

Heat Treatment of steel grade A743 Grade CB-30

Heat treated : 1211°C - 1397°C

Technological Curves of steel grade A743 Grade CB-30

Cross Reference Table (Equivalent Grade) of A743 Grade CB-30

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