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ZG40Cr25Ni20(ZG4Cr25Ni20)

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ZG35Cr28Ni16 ZG40Cr30Ni20(ZG4Cr30Ni20)
#ZG40Cr25Ni20(ZG4Cr25Ni20)

Description

China GBT ZG40Cr25Ni20(ZG4Cr25Ni20) Large heat resistant steel castings and ZG40Cr25Ni20(ZG4Cr25Ni20) Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZG40Cr25Ni20(ZG4Cr25Ni20)
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZG40Cr25Ni20(ZG4Cr25Ni20) GBT China Large heat resistant steel castings
ZG20Cr25Ni20(ZG2Cr25Ni20)
ZG12Cr17Mn9Ni4Mo3Cu2N(ZG1Cr17Mn9Ni4Mo3Cu2N)
ZG12Cr18Mn13NiMo2CuN(ZG1Cr18Mn13Mo2CuN)
ZG40Cr9Si2(ZG4Cr9Si2)
ZG30Cr18Mn12Si2N(ZG3Cr18Mn12Si2N)
ZG35Cr24Ni7SiN
ZG20Cr26Ni5(ZG3Cr25Ni5)
ZG30Cr20Ni10(ZG3Cr20Ni10)
ZG35Cr26Ni12
ZG35Cr28Ni16

Chemical composition(mass fraction)(wt.%) of the ZG40Cr25Ni20(ZG4Cr25Ni20)

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.35-0.45 ≤1.75 ≤1.50 0.04 0.04 23.0-27.0 19.0-22.0 ≤0.50

Mechanical Properties of steel grade ZG40Cr25Ni20(ZG4Cr25Ni20)

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)
878 (≥) 695 (≥) 14 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade ZG40Cr25Ni20(ZG4Cr25Ni20)

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
24 - -     0.24 -  
529 328 - 44.3 314   -  
847 - 33 33.2   314 331

Heat Treatment of steel grade ZG40Cr25Ni20(ZG4Cr25Ni20)

Heat treated : 1779°C - 1147°C

Technological Curves of steel grade ZG40Cr25Ni20(ZG4Cr25Ni20)

Cross Reference Table (Equivalent Grade) of ZG40Cr25Ni20(ZG4Cr25Ni20)

Grade Standard Country Application
ZG40Cr25Ni20(ZG4Cr25Ni20) GBT China Large heat resistant steel castings
ZG35Cr28Ni16 ZG40Cr30Ni20(ZG4Cr30Ni20)
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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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