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

QT400-15(LT)

China JB QT400-15(LT) 燃气轮机大型球墨铸铁件.技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: QT400-15(LT) / QT400-15(LT)
Category Grade Standard Region/Area Standard Content
Metals QT400-15(LT) JB/T 11031 China 燃气轮机大型球墨铸铁件.技术条件

Chemical composition(mass fraction)(wt.%) of the QT400-15(LT)

Element Min Max Similar

Mechanical Properties of steel grade QT400-15(LT)

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)
948 (≥) 646 (≥) 41 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade QT400-15(LT)

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
11 - -     0.14 -  
878 235 - 21.3 114   -  
658 - 34 14.2   123 243

Heat Treatment of steel grade QT400-15(LT)

Heat treated : 1153°C - 1853°C

Technological Curves of steel grade QT400-15(LT)

Cross Reference Table (Equivalent Grade) of QT400-15(LT)

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 QT400-15(LT)?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top