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Description

China GBT K4002 conventional cast superalloy and K4002 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K4002
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K4002 GBT China conventional cast superalloy
K23A
K24
K430
K38
K38G
K41
K461
K77
K80
K91

Chemical composition(mass fraction)(wt.%) of the K4002

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Cu(%) Co(%) B(%) Al(%) Ti(%) Ta(%) Mg(%) Fe(%)
0.13-0.17 ≤0.20 ≤0. 20 0-010 0.010000000000000000 8. 00-10. 00 Bal ≤0.50 ≤0. 100 9.00-11.00 0.100 9-00-11.00 0.010-0.020 5. 25-5. 75 1.25-1.75 2. 25-2.75 ≤0. 003 ≤0.50

Mechanical Properties of steel grade K4002

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)
482 (≥) 585 (≥) 12 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade K4002

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
32 - -     0.13 -  
478 441 - 22.3 243   -  
176 - 14 31.2   124 312

Heat Treatment of steel grade K4002

Heat treated : 1172°C - 1198°C

Technological Curves of steel grade K4002

Cross Reference Table (Equivalent Grade) of K4002

Grade Standard Country Application
K4002 GBT China Age hardening type Nickel base alloy
K4002 GBT China conventional cast superalloy

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