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L14204

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L14203 L14205
#L14204

Description

China GBT L14204 China structural steel and alloy steel and L14204 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: L14204
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel L14204 GBT China China structural steel and alloy steel
Q420q
U32353
U32354
L13453
L13454
L13455
L13703
L13704
L13705
L14203

Chemical composition(mass fraction)(wt.%) of the L14204

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.17 Max 0.60 1.30-1.70 0.025 0.025

Mechanical Properties of steel grade L14204

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)
381 (≥) 576 (≥) 41 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade L14204

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
11 - -     0.22 -  
563 996 - 31.3 411   -  
374 - 34 24.2   111 211

Heat Treatment of steel grade L14204

Heat treated : 1812°C - 1255°C

Technological Curves of steel grade L14204

Cross Reference Table (Equivalent Grade) of L14204

Grade Standard Country Application
L14204 GBT China China structural steel and alloy steel
L14203 L14205
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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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