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

L625QO/X90QO

China SY/T L625QO/X90QO 海底管道用大口径无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L625QO/X90QO / L625QO/X90QO
Category Grade Standard Region/Area Standard Content
Metals L625QO/X90QO SY/T 7044 China 海底管道用大口径无缝钢管

Chemical composition(mass fraction)(wt.%) of the L625QO/X90QO

Element Min Max Similar

Mechanical Properties of steel grade L625QO/X90QO

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)
713 (≥) 382 (≥) 21 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade L625QO/X90QO

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 - -     0.23 -  
981 867 - 22.3 113   -  
121 - 33 24.2   242 243

Heat Treatment of steel grade L625QO/X90QO

Heat treated : 1422°C - 1813°C

Technological Curves of steel grade L625QO/X90QO

Cross Reference Table (Equivalent Grade) of L625QO/X90QO

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 L625QO/X90QO?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top