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

China GB L390 石油天然气输送管用宽厚钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L390 / L390
Category Grade Standard Region/Area Standard Content
Metals L390 GB/T 21237 China 石油天然气输送管用宽厚钢板

Chemical composition(mass fraction)(wt.%) of the L390

Element Min Max Similar

Mechanical Properties of steel grade L390

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)
391 (≥) 395 (≥) 12 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade L390

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
43 - -     0.44 -  
379 354 - 32.3 333   -  
914 - 42 34.2   444 424

Heat Treatment of steel grade L390

Heat treated : 1254°C - 1761°C

Technological Curves of steel grade L390

Cross Reference Table (Equivalent Grade) of L390

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 L390?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top