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Description

China GBT K17G conventional cast superalloy and K17G Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K17G
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K17G GBT China conventional cast superalloy
K417G
K417L
K418
K418B
K419
K419H
K8
K9
K12
K17

Chemical composition(mass fraction)(wt.%) of the K17G

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) Co(%) B(%) Al(%) Ti(%) Fe(%)
0.13-0.22 0.20 0.20 0.015 0.010000000000000000 8.50-9.50 Bal 2.50-3.50 0.600-0.900 9.00-11.00 0.012-0.024 4.80-5.70 4.10-4.70 ≤1.00

Mechanical Properties of steel grade K17G

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)
933 (≥) 385 (≥) 23 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade K17G

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
34 - -     0.12 -  
981 664 - 23.3 322   -  
366 - 44 31.2   442 421

Heat Treatment of steel grade K17G

Heat treated : 1283°C - 1898°C

Technological Curves of steel grade K17G

Cross Reference Table (Equivalent Grade) of K17G

Grade Standard Country Application
K417G GBT China conventional cast superalloy
K17G GBT China conventional cast superalloy

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