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Description

China GBT ZG30Mn Large castings with low alloy cast steel and ZG30Mn Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZG30Mn
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZG30Mn GBT China Large castings with low alloy cast steel
ZGD410-620
ZGD410-620
ZGD535-720
ZGD535-720
ZGD650-830
ZGD650-830
ZGD730-910
ZGD730-910
ZGD840-1030
ZGD840-1030

Chemical composition(mass fraction)(wt.%) of the ZG30Mn

C(%) Si(%) Mn(%) P(%) S(%)
0.27-0.34 0.30-0.50 1.20-1.50 0.035 0.035

Mechanical Properties of steel grade ZG30Mn

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)
133 (≥) 453 (≥) 32 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade ZG30Mn

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 - -     0.44 -  
648 429 - 11.3 413   -  
761 - 34 44.2   444 321

Heat Treatment of steel grade ZG30Mn

Heat treated : 1938°C - 1989°C

Technological Curves of steel grade ZG30Mn

Cross Reference Table (Equivalent Grade) of ZG30Mn

Grade Standard Country Application
ZG30Mn GBT China Large castings with low alloy cast steel

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