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Description

China GBT K412 conventional cast superalloy and K412 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K412
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K412 GBT China conventional cast superalloy
GH710
GH738(GH684)
GH742
GH188
GH605
GH941
GH159
GH783
K408
K409

Chemical composition(mass fraction)(wt.%) of the K412

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) W(%) B(%) Al(%) Ti(%) Fe(%)
0.11-0.16 0.60 0.60 0.015 0.008999999999999999 14.00-18.00 Bal 3.00-4.50 ≤0.300 4.50-6.50 0.005-0.010 1.60-2.20 1.60-2.30 ≤8.00

Mechanical Properties of steel grade K412

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)
937 (≥) 424 (≥) 43 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade K412

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 - -     0.43 -  
355 629 - 32.3 123   -  
982 - 33 13.2   332 221

Heat Treatment of steel grade K412

Heat treated : 1148°C - 1782°C

Technological Curves of steel grade K412

Cross Reference Table (Equivalent Grade) of K412

Grade Standard Country Application
SK120 JIS Japan Carbon tool steel
K412 GBT China conventional cast superalloy
K12 GBT China conventional cast superalloy

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