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K202

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K4169 K242
#K202

Description

China GBT K202 conventional cast superalloy and K202 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K202
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K202 GBT China conventional cast superalloy
K4202
K4242
K4536
K4537h
K4648
K4708
K002
K130
K163
K4169

Chemical composition(mass fraction)(wt.%) of the K202

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) B(%) Al(%) Ti(%) Fe(%)
≤0.08 ≤0. 60 ≤0. 50 0.015 0.010000000000000000 17.00-20.00 Bal 4.00-5.00 4. 00-5. 00 ≤0. 015 1.00-1.50 2. 20-2. 80 ≤4.00

Mechanical Properties of steel grade K202

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)
576 (≥) 333 (≥) 34 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade K202

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 - -     0.34 -  
158 824 - 12.3 421   -  
456 - 24 23.2   241 242

Heat Treatment of steel grade K202

Heat treated : 1627°C - 1964°C

Technological Curves of steel grade K202

Cross Reference Table (Equivalent Grade) of K202

Grade Standard Country Application
K202 GBT China conventional cast superalloy
K4169 K242
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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