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A420 Grade WPL 8

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America ASTM A420GradeWPL8 低温使用的锻制碳素钢及合金钢管配件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A420GradeWPL8 / A420 Grade WPL 8
Category Grade Standard Region/Area Standard Content
Metals A420 Grade WPL 8 ASTM A420/A420M America 低温使用的锻制碳素钢及合金钢管配件

Chemical composition(mass fraction)(wt.%) of the A420 Grade WPL 8

Element Min Max Similar
Si 0.1300 0.3700 -
S - 0.0300 -
P - 0.0300 -
Ni 8.4000 9.6000 -
Mn - 0.9000 -
C - 0.1300 -

Mechanical Properties of steel grade A420 Grade WPL 8

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)
149 (≥) 927 (≥) 14 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade A420 Grade WPL 8

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 - -     0.13 -  
796 396 - 34.3 321   -  
974 - 21 24.2   442 121

Heat Treatment of steel grade A420 Grade WPL 8

Heat treated : 1744°C - 1324°C

Technological Curves of steel grade A420 Grade WPL 8

Cross Reference Table (Equivalent Grade) of A420 Grade WPL 8

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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