Available 24/7 at contact@steel-grades.com

LW304 S31

Description

UK B.S. BS 3605-2, LW304 S31 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: LW304 S31
Category Class Grade Standard Country Application
Steel GradesSpecialsteel LW304 S31 B.S. UK Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes

Chemical composition(mass fraction)(wt.%) of the LW304 S31

C Si Mn P S Cr Mo Ni
≤0.07 ≤1.00 ≤2.00 ≤0.045 ≤0.025 17.00 -19.00 ≤ ≥ 8.00 -11.00

Mechanical Properties of steel grade LW304 S31

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)
997 (≥) 529 (≥) 32 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade LW304 S31

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
24 - -     0.23 -  
519 639 - 13.3 114   -  
651 - 42 11.2   422 214

Heat Treatment of steel grade LW304 S31

Heat treated : 1722°C - 1799°C

Technological Curves of steel grade LW304 S31

Cross Reference Table (Equivalent Grade) of LW304 S31

Grade Standard Country Application
304S31
304S31

Relevant standard of LW304 S31

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

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this LW304 S31?
  • List your company on S&G now? Join
  • Non-paying users only
Top