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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)
332 (≥) 941 (≥) 13 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

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
14 - -     0.12 -  
442 778 - 23.3 143   -  
699 - 21 14.2   433 134

Heat Treatment of steel grade LW18

Heat treated : 1257°C - 1249°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.
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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