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L 290 GA

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EU EN L290GA 易燃液体输送管线 - 交货技术条件 - 第1部分：A级要求管钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L290GA / L 290 GA
Category Grade Standard Region/Area Standard Content
Metals L 290 GA EN 10208-1 EU 易燃液体输送管线 - 交货技术条件 - 第1部分：A级要求管钢管

Chemical composition(mass fraction)(wt.%) of the L 290 GA

Element Min Max Similar
V+Nb+Ti - 0.1500 -
Si - 0.4000 -
S - 0.0300 -
P - 0.0300 -
Mn - 1.4000 -
C - 0.2000 -
Al 0.0150 0.0600 -

Mechanical Properties of steel grade L 290 GA

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)
642 (≥) 525 (≥) 23 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade L 290 GA

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
41 - -     0.43 -  
922 223 - 42.3 443   -  
471 - 31 23.2   334 312

Heat Treatment of steel grade L 290 GA

Heat treated : 1728°C - 1339°C

Technological Curves of steel grade L 290 GA

Cross Reference Table (Equivalent Grade) of L 290 GA

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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