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LWHT 316S31

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LWCF 316S31 316S33
#316S31

Description

UK B.S. BS 3605-2, LWHT 316S31 Specialsteel Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: LWHT 316S31
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LWHT 316S31 B.S. UK Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes

Chemical composition(mass fraction)(wt.%) of the LWHT 316S31

C Si Mn P S Cr Mo Ni
≤0.07 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16.50 -18.50 2.00 -2.50 10.50 -13.50

Mechanical Properties of steel grade LWHT 316S31

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)
529 (≥) 355 (≥) 11 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade LWHT 316S31

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
41 - -     0.31 -  
654 434 - 24.3 412   -  
261 - 11 41.2   143 411

Heat Treatment of steel grade LWHT 316S31

Heat treated : 1693°C - 1879°C

Technological Curves of steel grade LWHT 316S31

Cross Reference Table (Equivalent Grade) of LWHT 316S31

Grade Standard Country Application
316S31
316S31

Relevant standard of LWHT 316S31

BS 3605-2 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes BS-3605-2.pdf
LWCF 316S31 316S33
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