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A508 Grade 22 Class 5

America ASTM A508Grade22Class5 压力容器用经回火和淬火真空处理的碳素钢和合金钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A508 Grade 22 Class 5 ASTM A508/A508M America 压力容器用经回火和淬火真空处理的碳素钢和合金钢锻件

Chemical composition(mass fraction)(wt.%) of the A508 Grade 22 Class 5

Element Min Max Similar
C 0.1100 0.1500 -
Mn 0.3000 0.6000 -
P - 0.0150 -
S - 0.0150 -
Si - 0.3500 -
Ni - 0.2500 -
Cr 2.0000 2.5000 -
Mo 0.9000 1.1000 -
Cu - 0.2500 -
V - 0.0200 -
Cb - 0.0100 -
Ti - 0.0150 -
Ca - 0.0150 -
B - 0.0030 -
Al - 0.0250 -

Mechanical Properties of steel grade A508 Grade 22 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)
796 (≥) 983 (≥) 34 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade A508 Grade 22 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
14 - -     0.24 -  
595 924 - 24.3 231   -  
787 - 32 34.2   413 134

Heat Treatment of steel grade A508 Grade 22 Class 5

Heat treated : 1546°C - 1536°C

Technological Curves of steel grade A508 Grade 22 Class 5

Cross Reference Table (Equivalent Grade) of A508 Grade 22 Class 5

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