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K19

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K18B K19H
#K19

Description

China GBT K19 conventional cast superalloy and K19 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K19
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K19 GBT China conventional cast superalloy
K419
K419H
K8
K9
K12
K17
K17G
K17L
K18
K18B

Chemical composition(mass fraction)(wt.%) of the K19

C(％) Si(％) Mn(％) S(％) Cr(％) Ni(％) Mo(％) V(%) W(%) Cu(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Mg(%) Fe(%)
0.09-0.14 0.20 0.50 0.015000000000000000 5.50-6.50 Bal 1.70-2.30 ≤0.100 9.50-10.50 0.400 11.00-13.00 0.050-0.100 2.50-3.30 5.20-5.70 1.00-1.50 ≤0.003 ≤0.50

Mechanical Properties of steel grade K19

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)
137 (≥) 457 (≥) 12 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade K19

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
31 - -     0.33 -  
863 891 - 41.3 324   -  
746 - 43 31.2   111 331

Heat Treatment of steel grade K19

Heat treated : 1859°C - 1252°C

Technological Curves of steel grade K19

Cross Reference Table (Equivalent Grade) of K19

Grade Standard Country Application
K419 GBT China conventional cast superalloy
K419H GBT China conventional cast superalloy
K19 GBT China conventional cast superalloy
K19H GBT China conventional cast superalloy
K18B K19H
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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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