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

China 鞍钢Q/ASB 250L40 热轧结构钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 250L40 / 250L40
Category Grade Standard Region/Area Standard Content
Metals 250L40 Q/ASB 50 China 热轧结构钢板

Chemical composition(mass fraction)(wt.%) of the 250L40

Element Min Max Similar
Nb+V - 0.0600 -
V - 0.0500 -
Nb - 0.0200 -
Ni+Cr+Cu+Mo - 1.0000 -
CE - 0.4400 -
Ti - 0.0400 -
Mo - 0.1000 -
Cu - 0.4000 -
Cr - 0.3000 -
Ni - 0.5000 -
Al - 0.0500 -
S - 0.0100 -
P - 0.0200 -
Mn - 1.7000 -
Si - 0.5500 -
C - 0.2200 -

Mechanical Properties of steel grade 250L40

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)
378 (≥) 573 (≥) 44 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 250L40

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 - -     0.32 -  
571 814 - 13.3 244   -  
172 - 44 44.2   422 134

Heat Treatment of steel grade 250L40

Heat treated : 1148°C - 1394°C

Technological Curves of steel grade 250L40

Cross Reference Table (Equivalent Grade) of 250L40

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 250L40?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top