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K18B

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K18 K19
#K18B

Description

China GBT K18B conventional cast superalloy and K18B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K18B
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K18B GBT China conventional cast superalloy
K418B
K419
K419H
K8
K9
K12
K17
K17G
K17L
K18

Chemical composition(mass fraction)(wt.%) of the K18B

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 K18B

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)
879 (≥) 664 (≥) 41 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade K18B

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
21 - -     0.13 -  
819 246 - 43.3 113   -  
247 - 12 22.2   111 123

Heat Treatment of steel grade K18B

Heat treated : 1269°C - 1569°C

Technological Curves of steel grade K18B

Cross Reference Table (Equivalent Grade) of K18B

Grade Standard Country Application
K418B GBT China conventional cast superalloy
K18B GBT China conventional cast superalloy
K18 K19
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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