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K424

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K423A K430
#K424

Description

China GBT K424 conventional cast superalloy and K424 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K424
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K424 GBT China conventional cast superalloy
K12
K17
K17G
K17L
K18
K18B
K19
K19H
K423
K423A

Chemical composition(mass fraction)(wt.%) of the K424

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) W(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
0.14-0.20 0.40 0.40 0.015 0.015000000000000000 8.50-10.50 Bal 2.70-3.40 0.500-1.000 1.00-1.80 12.00-15-00 0.015 0.50-1 .00 5.00-5.70 4.20-4.70 2.00

Mechanical Properties of steel grade K424

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)
779 (≥) 421 (≥) 24 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade K424

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 - -     0.41 -  
863 469 - 31.3 233   -  
338 - 11 22.2   231 114

Heat Treatment of steel grade K424

Heat treated : 1948°C - 1917°C

Technological Curves of steel grade K424

Cross Reference Table (Equivalent Grade) of K424

Grade Standard Country Application
K424 GBT China conventional cast superalloy
K4242 GBT China conventional cast superalloy
K423A K430
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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