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LWCF20

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LW20 LW21
#LW20 #LWCF20 #304S11

Description

UK B.S. BS 6323-8, LWCF20 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: LWCF20
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LWCF20 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 LWCF20

C Si Mn P S Cr Ni Mo
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.00 -19.00 9.00 -12.00 ≤ ≥

Mechanical Properties of steel grade LWCF20

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)
215 (≥) 493 (≥) 34 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade LWCF20

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
12 - -     0.22 -  
836 782 - 31.3 121   -  
525 - 42 41.2   432 232

Heat Treatment of steel grade LWCF20

Heat treated : 1643°C - 1885°C

Technological Curves of steel grade LWCF20

Cross Reference Table (Equivalent Grade) of LWCF20

Grade Standard Country Application
304S11
304S11
304S11
304S11

Relevant standard of LWCF20

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
LW20 LW21
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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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