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A470 Grade C Class 5

America ASTM A470GradeCClass5 涡轮机转子和轴用经真空处理的碳素钢和合金锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A470 Grade C Class 5 ASTM A470/A470M America 涡轮机转子和轴用经真空处理的碳素钢和合金锻件

Chemical composition(mass fraction)(wt.%) of the A470 Grade C Class 5

Element Min Max Similar
V 0.0500 0.1500 -
Si - 0.1000 -
S - 0.0150 -
P - 0.0120 -
Ni 3.2500 4.0000 -
Mo 0.2500 0.6000 -
Mn 0.2000 0.6000 -
Cr 1.2500 2.0000 -
C - 0.2800 -
Al - 0.0150 -

Mechanical Properties of steel grade A470 Grade C Class 5

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)
242 (≥) 128 (≥) 14 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade A470 Grade C Class 5

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 - -     0.41 -  
855 749 - 22.3 221   -  
119 - 12 31.2   112 244

Heat Treatment of steel grade A470 Grade C Class 5

Heat treated : 1758°C - 1135°C

Technological Curves of steel grade A470 Grade C Class 5

Cross Reference Table (Equivalent Grade) of A470 Grade C Class 5

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