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A542 Type B Class 4

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America ASTM A542TypeBClass4 压力容器用经回火和淬火的铬钼、铬钼钒及铬钼钒钛硼合金钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A542TypeBClass4 / A542 Type B Class 4
Category Grade Standard Region/Area Standard Content
Metals A542 Type B Class 4 ASTM A542/A542M America 压力容器用经回火和淬火的铬钼、铬钼钒及铬钼钒钛硼合金钢板

Chemical composition(mass fraction)(wt.%) of the A542 Type B Class 4

Element Min Max Similar
Cu - 0.2500 -
V - 0.0200 -
Mo 0.9000 1.1000 -
Ni - 0.2500 -
Cr 2.0000 2.5000 -
P - 0.0150 -
S - 0.0150 -
Mn 0.3000 0.6000 -
Si - 0.5000 -
C 0.1100 0.1500 -
V - 0.0300 -
Si - 0.5000 -
S - 0.0150 -
P - 0.0150 -
Ni - 0.2800 -
Mo 0.8500 1.1500 -
Mn 0.2500 0.6600 -
Cu - 0.2800 -
Cr 1.8800 2.6200 -
C 0.0900 0.1800 -

Mechanical Properties of steel grade A542 Type B Class 4

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)
757 (≥) 595 (≥) 32 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade A542 Type B Class 4

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
44 - -     0.22 -  
621 257 - 13.3 412   -  
843 - 21 11.2   431 344

Heat Treatment of steel grade A542 Type B Class 4

Heat treated : 1932°C - 1881°C

Technological Curves of steel grade A542 Type B Class 4

Cross Reference Table (Equivalent Grade) of A542 Type B Class 4

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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