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L290M/X42M

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China 鞍钢Q/ASB L290M/X42M 石油天然气输送管用热连轧宽钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L290M/X42M / L290M/X42M
Category Grade Standard Region/Area Standard Content
Metals L290M/X42M Q/ASB 276 China 石油天然气输送管用热连轧宽钢带

Chemical composition(mass fraction)(wt.%) of the L290M/X42M

Element Min Max Similar
Mo - 0.1500 -
Cr - 0.3000 -
Ni - 0.3000 -
Cu - 0.5000 -
Pcm - 0.2100 -
CEV - 0.4000 -
Ti - 0.0400 -
Nb - 0.0500 -
V - 0.0500 -
S - 0.0150 -
P - 0.0250 -
Mn - 1.3000 -
Si - 0.4500 -
C - 0.2200 -

Mechanical Properties of steel grade L290M/X42M

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)
824 (≥) 321 (≥) 22 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade L290M/X42M

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
32 - -     0.34 -  
379 678 - 44.3 331   -  
673 - 34 21.2   212 132

Heat Treatment of steel grade L290M/X42M

Heat treated : 1973°C - 1537°C

Technological Curves of steel grade L290M/X42M

Cross Reference Table (Equivalent Grade) of L290M/X42M

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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