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ZGD270-480

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ZGD270-480 ZGD290-510
#ZGD270-480

Description

China GBT ZGD270-480 Low alloy steel castings for general engineering and structural purposes and ZGD270-480 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZGD270-480
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZGD270-480 GBT China Low alloy steel castings for general engineering and structural purposes
4J78
4J80
4J82
6J10
6J15
6J20
6J22
6J23
6J24
ZGD270-480

Chemical composition(mass fraction)(wt.%) of the ZGD270-480

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.20 0.60 0.30-0.80 0.04 0.045 1.00-1.50 0.45-0.65 0.15-0.25

Mechanical Properties of steel grade ZGD270-480

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)
473 (≥) 934 (≥) 22 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade ZGD270-480

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
42 - -     0.42 -  
559 237 - 22.3 442   -  
242 - 23 24.2   333 312

Heat Treatment of steel grade ZGD270-480

Heat treated : 1979°C - 1972°C

Technological Curves of steel grade ZGD270-480

Cross Reference Table (Equivalent Grade) of ZGD270-480

Grade Standard Country Application
ZGD270-480 GBT China Low alloy steel castings for general engineering and structural purposes
ZGD270-480 GBT China Low alloy steel castings for general engineering and structural purposes
ZGD270-480 ZGD290-510
Available Suppliers
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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