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LW18

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LWCF17 LWCF18
#LW18 #LWCF18 #321S12

Description

UK B.S. BS 6323-8, LW18 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: LW18
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LW18 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 LW18

C Si Mn P S Cr Ni Mo Ti
≤0.08 0.20 -1.00 0.50 -2.00 ≤0.045 ≤0.030 17.00 -19.00 9.00 -12.00 ≤ ≥ ≤0.70

Mechanical Properties of steel grade LW18

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)
853 (≥) 199 (≥) 13 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade LW18

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 - -     0.23 -  
838 295 - 43.3 431   -  
514 - 42 24.2   423 312

Heat Treatment of steel grade LW18

Heat treated : 1955°C - 1259°C

Technological Curves of steel grade LW18

Relevant standard of LW18

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
LWCF17 LWCF18
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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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