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K418B

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K418 K419
#K18B

Description

China GBT K418B conventional cast superalloy and K418B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K418B
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K418B GBT China conventional cast superalloy
GH941
GH159
GH783
K408
K409
K412
K417
K417G
K417L
K418

Chemical composition(mass fraction)(wt.%) of the K418B

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
0.03-0-07 0.50 0.25 0.015 0.015000000000000000 11.00-13.00 Bal 3.80-5.20 0.500 ≤1.00 0.005-0.015 1.50-2.50 5.50-6.50 0.40-1.00 ≤0.50

Mechanical Properties of steel grade K418B

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)
274 (≥) 963 (≥) 31 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade K418B

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 - -     0.41 -  
897 862 - 14.3 212   -  
734 - 44 41.2   324 313

Heat Treatment of steel grade K418B

Heat treated : 1544°C - 1621°C

Technological Curves of steel grade K418B

Cross Reference Table (Equivalent Grade) of K418B

Grade Standard Country Application
K418B GBT China conventional cast superalloy
K18B GBT China conventional cast superalloy
K418 K419
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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