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WQ620E

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China 舞钢Q/WTB WQ620E 焊接结构用调质高强度钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: WQ620E / WQ620E
Category Grade Standard Region/Area Standard Content
Metals WQ620E WJX 031 China 焊接结构用调质高强度钢板技术条件

Chemical composition(mass fraction)(wt.%) of the WQ620E

Element Min Max Similar
Ceq - 0.6500 -
Ceq - 0.5000 -
B - 0.0030 -
V - 0.0800 -
Nb - 0.0600 -
Mo - 0.6000 -
Ni - 2.0000 -
Cr - 1.5000 -
Al 0.0200 - -
S - 0.0100 -
P - 0.0200 -
Mn - 1.6000 -
Si - 0.5000 -
C - 0.2000 -

Mechanical Properties of steel grade WQ620E

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)
136 (≥) 715 (≥) 23 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade WQ620E

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 - -     0.44 -  
773 113 - 14.3 133   -  
577 - 11 13.2   331 324

Heat Treatment of steel grade WQ620E

Heat treated : 1334°C - 1676°C

Technological Curves of steel grade WQ620E

Cross Reference Table (Equivalent Grade) of WQ620E

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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Jiangyou Longhai Special Steel Co.,Ltd.

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