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L13704

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L13703 L13705
#L13704

Description

China GBT L13704 China structural steel and alloy steel and L13704 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: L13704
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel L13704 GBT China China structural steel and alloy steel
Q370q
Q420q
Q420q
Q420q
U32353
U32354
L13453
L13454
L13455
L13703

Chemical composition(mass fraction)(wt.%) of the L13704

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.17 Max 0.50 1.20-1.60 0.025 0.025

Mechanical Properties of steel grade L13704

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)
749 (≥) 277 (≥) 14 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade L13704

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
23 - -     0.31 -  
412 964 - 23.3 341   -  
461 - 31 22.2   332 334

Heat Treatment of steel grade L13704

Heat treated : 1611°C - 1153°C

Technological Curves of steel grade L13704

Cross Reference Table (Equivalent Grade) of L13704

Grade Standard Country Application
L13704 GBT China China structural steel and alloy steel
L13703 L13705
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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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