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SA-508 Class 4B

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America ASME SA-508Class4B 压力容器用淬火和回火真空处理的碳素钢和合金钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-508Class4B / SA-508 Class 4B
Category Grade Standard Region/Area Standard Content
Metals SA-508 Class 4B ASME SA-508/SA-508M America 压力容器用淬火和回火真空处理的碳素钢和合金钢锻件

Chemical composition(mass fraction)(wt.%) of the SA-508 Class 4B

Element Min Max Similar

Mechanical Properties of steel grade SA-508 Class 4B

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)
856 (≥) 249 (≥) 23 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade SA-508 Class 4B

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
43 - -     0.43 -  
751 955 - 12.3 133   -  
653 - 44 31.2   322 233

Heat Treatment of steel grade SA-508 Class 4B

Heat treated : 1886°C - 1483°C

Technological Curves of steel grade SA-508 Class 4B

Cross Reference Table (Equivalent Grade) of SA-508 Class 4B

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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