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QT/LZ700-2

China JB QT/LZ700-2 水平连续铸造铸铁型材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: QT/LZ700-2 / QT/LZ700-2
Category Grade Standard Region/Area Standard Content
Metals QT/LZ700-2 JB/T 10854 China 水平连续铸造铸铁型材

Chemical composition(mass fraction)(wt.%) of the QT/LZ700-2

Element Min Max Similar

Mechanical Properties of steel grade QT/LZ700-2

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)
522 (≥) 776 (≥) 21 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade QT/LZ700-2

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
23 - -     0.11 -  
139 971 - 43.3 221   -  
768 - 12 11.2   412 121

Heat Treatment of steel grade QT/LZ700-2

Heat treated : 1227°C - 1462°C

Technological Curves of steel grade QT/LZ700-2

Cross Reference Table (Equivalent Grade) of QT/LZ700-2

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