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

China GB HLK7-50 铝土矿石 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HLK7-50 / HLK7-50
Category Grade Standard Region/Area Standard Content
Metals HLK7-50 GB/T 24483 China 铝土矿石

Chemical composition(mass fraction)(wt.%) of the HLK7-50

Element Min Max Similar
水分 - 8.0000 -
TiO2 - 2.0000 -
Fe2O3 - 18.0000 -
Al2O3 50.0000 - -
w(Fe2O3)/w(SiO2) 7.0000 - -

Mechanical Properties of steel grade HLK7-50

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)
772 (≥) 536 (≥) 21 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade HLK7-50

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
34 - -     0.42 -  
337 645 - 12.3 132   -  
165 - 31 41.2   322 313

Heat Treatment of steel grade HLK7-50

Heat treated : 1939°C - 1851°C

Technological Curves of steel grade HLK7-50

Cross Reference Table (Equivalent Grade) of HLK7-50

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 HLK7-50?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top