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LW12

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416S 29 LW13
#LW12 #409S18

Description

UK B.S. BS 6323-8, LW12 Specialsteel Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: LW12
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LW12 B.S. UK Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes

Chemical composition(mass fraction)(wt.%) of the LW12

C Si Mn P S Cr Ni Mo Ti N
≤0.06 ≤0.90 ≤0.60 ≤0.040 ≤0.020 11.00 -13.00 ≤0.50 ≤ ≥ ≤0.70 ≤0.025

Mechanical Properties of steel grade LW12

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)
247 (≥) 853 (≥) 14 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade LW12

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 - -     0.44 -  
874 265 - 22.3 143   -  
594 - 31 44.2   441 343

Heat Treatment of steel grade LW12

Heat treated : 1342°C - 1388°C

Technological Curves of steel grade LW12

Relevant standard of LW12

BS 6323-8 Specification for seamless and welded steel tubes for automobile , mechanical and general engineering purposes. Specific requirements for longitudinally welded stainless steel tubes BS-6323-8.pdf
416S 29 LW13
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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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