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QT/LZ500-7

China JB QT/LZ500-7 水平连续铸造铸铁型材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: QT/LZ500-7 / QT/LZ500-7
Category Grade Standard Region/Area Standard Content
Metals QT/LZ500-7 JB/T 10854 China 水平连续铸造铸铁型材

Chemical composition(mass fraction)(wt.%) of the QT/LZ500-7

Element Min Max Similar

Mechanical Properties of steel grade QT/LZ500-7

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)
793 (≥) 374 (≥) 33 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade QT/LZ500-7

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
32 - -     0.43 -  
849 716 - 44.3 321   -  
966 - 33 44.2   344 323

Heat Treatment of steel grade QT/LZ500-7

Heat treated : 1325°C - 1842°C

Technological Curves of steel grade QT/LZ500-7

Cross Reference Table (Equivalent Grade) of QT/LZ500-7

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