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Description

China GBT L53452 China structural steel and alloy steel and L53452 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: L53452
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel L53452 GBT China China structural steel and alloy steel
Q345GNH
Q345GNHL
Q390GNH
L52350
L52950
L53550
L54600
L52951
L52952
L53451

Chemical composition(mass fraction)(wt.%) of the L53452

C(%) Si(%) Mn(%) S(%) Cr(%) Ni(%) Cu(%)
Max 0.12 0.25-0.75 0.20-0.50 0.035 0.30-1.25 Max 0.65 0.25-0.55

Mechanical Properties of steel grade L53452

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)
935 (≥) 256 (≥) 22 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade L53452

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
43 - -     0.44 -  
446 183 - 11.3 342   -  
713 - 11 24.2   213 414

Heat Treatment of steel grade L53452

Heat treated : 1441°C - 1839°C

Technological Curves of steel grade L53452

Cross Reference Table (Equivalent Grade) of L53452

Grade Standard Country Application
L53452 GBT China China structural steel and alloy steel

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