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L 450 MB

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Germany DIN L450MB 易燃液体输送管线 - 钢管交货技术条件 - 第2部分：B级要求的管道 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L450MB / L 450 MB
Category Grade Standard Region/Area Standard Content
Metals L 450 MB DIN EN 10208-2 Germany 易燃液体输送管线 - 钢管交货技术条件 - 第2部分：B级要求的管道

Chemical composition(mass fraction)(wt.%) of the L 450 MB

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

Mechanical Properties of steel grade L 450 MB

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)
167 (≥) 782 (≥) 32 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade L 450 MB

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
33 - -     0.34 -  
865 918 - 11.3 414   -  
715 - 14 23.2   242 131

Heat Treatment of steel grade L 450 MB

Heat treated : 1175°C - 1733°C

Technological Curves of steel grade L 450 MB

Cross Reference Table (Equivalent Grade) of L 450 MB

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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