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K23

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K491 K23A
#K23

Description

China GBT K23 conventional cast superalloy and K23 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K23
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K23 GBT China conventional cast superalloy
K423A
K424
K430
K438
K438G
K441
K461
K477
K4801
K491

Chemical composition(mass fraction)(wt.%) of the K23

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
0.12-0.18 0.20 0.20 0.010 0.010000000000000000 14.50-16.50 Bal 7.60-9.00 0.20 9.00-10.50 0.004-0.008 0.25 3.90-4.40 3.40-3.80 0.50

Mechanical Properties of steel grade K23

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)
572 (≥) 119 (≥) 21 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade K23

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
11 - -     0.43 -  
343 752 - 43.3 141   -  
214 - 33 42.2   413 432

Heat Treatment of steel grade K23

Heat treated : 1198°C - 1497°C

Technological Curves of steel grade K23

Cross Reference Table (Equivalent Grade) of K23

Grade Standard Country Application
K232 GBT China Age hardening type iron base alloy
K23 GBT China conventional cast superalloy
K23A GBT China conventional cast superalloy
K491 K23A
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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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