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LWCF21

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LW21 LW22
#LW21 #LWCF21 #304S15

Description

UK B.S. BS 6323-8, LWCF21 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: LWCF21
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LWCF21 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 LWCF21

C Si Mn P S Cr Ni Mo
≤0.06 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.50 -19.00 8.00 -11.00 ≤ ≥

Mechanical Properties of steel grade LWCF21

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)
795 (≥) 883 (≥) 31 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade LWCF21

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
33 - -     0.43 -  
524 381 - 33.3 224   -  
272 - 44 32.2   333 134

Heat Treatment of steel grade LWCF21

Heat treated : 1842°C - 1871°C

Technological Curves of steel grade LWCF21

Cross Reference Table (Equivalent Grade) of LWCF21

Grade Standard Country Application
304S15
304S15

Relevant standard of LWCF21

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
LW21 LW22
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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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