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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)
227 (≥) 224 (≥) 23 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

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
11 - -     0.11 -  
977 171 - 31.3 413   -  
972 - 23 24.2   442 342

Heat Treatment of steel grade LWCF21

Heat treated : 1715°C - 1173°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.

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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