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Description

UK B.S. BS 6323-8, LWCF22 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: LWCF22
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LWCF22 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 LWCF22

C Si Mn P S Cr Ni Mo
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.50 -18.50 11.50 -14.50 2.50 -3.00

Mechanical Properties of steel grade LWCF22

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)
293 (≥) 398 (≥) 24 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade LWCF22

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
21 - -     0.14 -  
712 574 - 13.3 141   -  
972 - 21 43.2   324 213

Heat Treatment of steel grade LWCF22

Heat treated : 1295°C - 1831°C

Technological Curves of steel grade LWCF22

Cross Reference Table (Equivalent Grade) of LWCF22

Grade Standard Country Application
316S13
316S13

Relevant standard of LWCF22

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

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