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X70Mo

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China 舞钢Q/WTB X70Mo 中海油海底管线试制用钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X70Mo / X70Mo
Category Grade Standard Region/Area Standard Content
Metals X70Mo WYJ 305 China 中海油海底管线试制用钢板技术条件

Chemical composition(mass fraction)(wt.%) of the X70Mo

Element Min Max Similar
Nb+V+Ti - 0.1200 -
Ca - 0.0060 -
Sn - 0.0200 -
Sb - 0.0100 -
As - 0.0300 -
B - 0.0005 -
N - 0.0100 -
Nb - 0.0600 -
Ti - 0.0600 -
V - 0.1000 -
Ni - 0.3000 -
Mo - 0.5000 -
Cr - 0.3000 -
Cu - 0.3500 -
Al - 0.0600 -
Si - 0.4500 -
S - 0.0060 -
P - 0.0200 -
Mn - 1.6500 -
C - 0.1000 -

Mechanical Properties of steel grade X70Mo

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)
644 (≥) 945 (≥) 31 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade X70Mo

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
24 - -     0.31 -  
243 186 - 24.3 114   -  
891 - 21 12.2   233 344

Heat Treatment of steel grade X70Mo

Heat treated : 1878°C - 1235°C

Technological Curves of steel grade X70Mo

Cross Reference Table (Equivalent Grade) of X70Mo

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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