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L14203

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L13705 L14204
#L14203

Description

China GBT L14203 China structural steel and alloy steel and L14203 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: L14203
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel L14203 GBT China China structural steel and alloy steel
Q420q
Q420q
U32353
U32354
L13453
L13454
L13455
L13703
L13704
L13705

Chemical composition(mass fraction)(wt.%) of the L14203

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.18 Max 0.50 1.20-1.60 0.035 0.035

Mechanical Properties of steel grade L14203

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)
861 (≥) 551 (≥) 11 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade L14203

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
34 - -     0.33 -  
329 112 - 43.3 343   -  
684 - 24 13.2   341 123

Heat Treatment of steel grade L14203

Heat treated : 1171°C - 1193°C

Technological Curves of steel grade L14203

Cross Reference Table (Equivalent Grade) of L14203

Grade Standard Country Application
L14203 GBT China China structural steel and alloy steel
L13705 L14204
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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