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ZG200-400

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RZG340-640 ZG230-450
#ZG200-400

Description

China GBT ZG200-400 carbon steel castings for general engineering purpose and ZG200-400 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZG200-400
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZG200-400 GBT China carbon steel castings for general engineering purpose
ZG40Cr25Ni20
ZG40Cr30Ni20
ZG35Ni24Cr18Si2
ZG30Ni35Cr15
ZG45Ni35Cr26
RZG200-400
RZG230-450
RZG270-500
RZG310-570
RZG340-640

Chemical composition(mass fraction)(wt.%) of the ZG200-400

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%)
≤0.20 ≤0.50 ≤0.80 ≤0.040 ≤0.040 ≤0.35 ≤0.30 ≤0.20 ≤0.05 ≤0.30

Mechanical Properties of steel grade ZG200-400

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)
735 (≥) 577 (≥) 23 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade ZG200-400

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 - -     0.43 -  
528 132 - 41.3 222   -  
596 - 43 14.2   331 214

Heat Treatment of steel grade ZG200-400

Heat treated : 1768°C - 1761°C

Technological Curves of steel grade ZG200-400

Cross Reference Table (Equivalent Grade) of ZG200-400

Grade Standard Country Application
RZG200-400 GBT China Investment casting with carbon steel
ZG200-400 GBT China carbon steel castings for general engineering purpose
ZG200-400H GBT China steel casting suitable for welded structure
RZG340-640 ZG230-450
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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