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L 415 QB

Favorite Datasheet

France AFNOR NF L415QB 对接焊接管件 - 第2部分：有特殊检验要求非合金和铁素体合金钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L415QB / L 415 QB
Category Grade Standard Region/Area Standard Content
Metals L 415 QB NF EN 10253-2 France 对接焊接管件 - 第2部分：有特殊检验要求非合金和铁素体合金钢

Chemical composition(mass fraction)(wt.%) of the L 415 QB

Element Min Max Similar
V+Nb+Ti - 0.1500 -
V - 0.0800 -
Ti - 0.0400 -
Si - 0.4500 -
S - 0.0200 -
P - 0.0250 -
Other - - -
Ni - 0.3000 -
Nb - 0.0500 -
N - 0.0120 -
Mo - 0.1000 -
Mn - 1.6000 -
Cu - 0.2500 -
Cr - 0.3000 -
CEV - 0.4300 -
C - 0.1600 -
Al 0.0150 0.0600 -

Mechanical Properties of steel grade L 415 QB

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)
193 (≥) 765 (≥) 31 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade L 415 QB

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
14 - -     0.14 -  
359 638 - 34.3 224   -  
918 - 34 33.2   144 234

Heat Treatment of steel grade L 415 QB

Heat treated : 1549°C - 1666°C

Technological Curves of steel grade L 415 QB

Cross Reference Table (Equivalent Grade) of L 415 QB

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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