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K38

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K430 K38G
#K38

Description

China GBT K38 conventional cast superalloy and K38 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K38
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K38 GBT China conventional cast superalloy
K438G
K441
K461
K477
K4801
K491
K23
K23A
K24
K430

Chemical composition(mass fraction)(wt.%) of the K38

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Ta(%) Fe(%)
0.10-0.20 0.30 0.20 0.015 0.015000000000000000 15.70-16-30 Bal 1.50-2.00 2.40-2.80 8.00-9.00 0.005-0.015 0.60-1.10 3.20-3.70 3.00-3.50 1.50-2.00 0.50

Mechanical Properties of steel grade K38

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)
235 (≥) 142 (≥) 24 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade K38

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
14 - -     0.12 -  
835 215 - 11.3 342   -  
712 - 22 14.2   442 132

Heat Treatment of steel grade K38

Heat treated : 1158°C - 1793°C

Technological Curves of steel grade K38

Cross Reference Table (Equivalent Grade) of K38

Grade Standard Country Application
K38 GBT China conventional cast superalloy
K38G GBT China conventional cast superalloy
K430 K38G
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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