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K4708

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K4648 K002
#K4708

Description

China GBT K4708 conventional cast superalloy and K4708 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K4708
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K4708 GBT China conventional cast superalloy
K91
K4002
K4130
K4163
K4169
K4202
K4242
K4536
K4537h
K4648

Chemical composition(mass fraction)(wt.%) of the K4708

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) B(%) Al(%) Ti(%) Fe(%)
0.05-0.10 ≤0.60 ≤0.50 0.015 0.015000000000000000 17. 50-20.50 Bal 4.00-6. 00 5.50-7. 50 ≤0.008 1.90-2. 30 1.00-1.40 ≤4.00

Mechanical Properties of steel grade K4708

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)
349 (≥) 111 (≥) 41 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade K4708

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
41 - -     0.31 -  
889 197 - 24.3 332   -  
889 - 41 14.2   234 332

Heat Treatment of steel grade K4708

Heat treated : 1217°C - 1422°C

Technological Curves of steel grade K4708

Cross Reference Table (Equivalent Grade) of K4708

Grade Standard Country Application
K4708 GBT China conventional cast superalloy
K4648 K002
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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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