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K242

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K202 K536
#K242

Description

China GBT K242 conventional cast superalloy and K242 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K242
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K242 GBT China conventional cast superalloy
K4242
K4536
K4537h
K4648
K4708
K002
K130
K163
K4169
K202

Chemical composition(mass fraction)(wt.%) of the K242

C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％) W(%) Co(%) Nb(%) Al(%) Ti(%) Fe(%)
0. 27-0. 35 0. 20-0.45 0.20-0. 50 20. 00-23.00 Bal 10.00-11. 00 ≤0.20 9. 55-11. 00 ≤0.25 ≤0.20 ≤0. 30 ≤0.75

Mechanical Properties of steel grade K242

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)
327 (≥) 794 (≥) 24 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade K242

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 - -     0.24 -  
298 879 - 14.3 334   -  
385 - 13 13.2   211 312

Heat Treatment of steel grade K242

Heat treated : 1775°C - 1343°C

Technological Curves of steel grade K242

Cross Reference Table (Equivalent Grade) of K242

Grade Standard Country Application
K242 GBT China conventional cast superalloy
K202 K536
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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