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China GB HLK3-40 铝土矿石 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HLK3-40 / HLK3-40
Category Grade Standard Region/Area Standard Content
Metals HLK3-40 GB/T 24483 China 铝土矿石

Chemical composition(mass fraction)(wt.%) of the HLK3-40

Element Min Max Similar
水分 - 8.0000 -
TiO2 - 3.0000 -
Fe2O3 - 25.0000 -
Al2O3 40.0000 - -
w(Fe2O3)/w(SiO2) 12.0000 - -

Mechanical Properties of steel grade HLK3-40

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)
736 (≥) 744 (≥) 23 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade HLK3-40

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 - -     0.22 -  
236 491 - 21.3 223   -  
965 - 42 44.2   424 441

Heat Treatment of steel grade HLK3-40

Heat treated : 1297°C - 1743°C

Technological Curves of steel grade HLK3-40

Cross Reference Table (Equivalent Grade) of HLK3-40

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