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Description

UK B.S. BS 6323-8, LW23 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: LW23
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LW23 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 LW23

C Si Mn P S Cr Ni Mo
≤0.07 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.50 -18.50 11.00 -14.00 2.50 -3.00

Mechanical Properties of steel grade LW23

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)
786 (≥) 114 (≥) 23 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade LW23

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
13 - -     0.34 -  
965 376 - 22.3 414   -  
757 - 33 24.2   323 413

Heat Treatment of steel grade LW23

Heat treated : 1871°C - 1846°C

Technological Curves of steel grade LW23

Cross Reference Table (Equivalent Grade) of LW23

Grade Standard Country Application
316S33
316S33
316S33
316S33

Relevant standard of LW23

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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