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ZGD345-570

Description

China GBT ZGD345-570 Low alloy steel castings for general engineering and structural purposes and ZGD345-570 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZGD345-570
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZGD345-570 GBT China Low alloy steel castings for general engineering and structural purposes
6J15
6J20
6J22
6J23
6J24
ZGD270-480
ZGD270-480
ZGD290-510
ZGD290-510
ZGD345-570

Chemical composition(mass fraction)(wt.%) of the ZGD345-570

C(%) Si(%) Mn(%) P(%) S(%) Cu(%) Al(%)
0.25-0.35 0.60-0.80 1.10-1.40 0.04 0.04 0.33 0.01

Mechanical Properties of steel grade ZGD345-570

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)
537 (≥) 436 (≥) 42 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade ZGD345-570

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 - -     0.14 -  
543 183 - 22.3 322   -  
325 - 42 34.2   143 341

Heat Treatment of steel grade ZGD345-570

Heat treated : 1698°C - 1564°C

Technological Curves of steel grade ZGD345-570

Cross Reference Table (Equivalent Grade) of ZGD345-570

Grade Standard Country Application
ZGD345-570 GBT China Low alloy steel castings for general engineering and structural purposes
ZGD345-570 GBT China Low alloy steel castings for general engineering and structural purposes

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