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L13703

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L13455 L13704
#L13703

Description

China GBT L13703 China structural steel and alloy steel and L13703 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the L13703

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

Mechanical Properties of steel grade L13703

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)
688 (≥) 675 (≥) 42 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade L13703

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
13 - -     0.12 -  
969 988 - 12.3 232   -  
329 - 24 32.2   141 412

Heat Treatment of steel grade L13703

Heat treated : 1416°C - 1313°C

Technological Curves of steel grade L13703

Cross Reference Table (Equivalent Grade) of L13703

Grade Standard Country Application
L13703 GBT China China structural steel and alloy steel
L13455 L13704
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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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