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K19H

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K19 K423
#K19H

Description

China GBT K19H conventional cast superalloy and K19H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K19H
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K19H GBT China conventional cast superalloy
K419H
K8
K9
K12
K17
K17G
K17L
K18
K18B
K19

Chemical composition(mass fraction)(wt.%) of the K19H

C(％) Si(％) Mn(％) S(％) Cr(％) Ni(％) Mo(％) V(%) W(%) Cu(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
0.09-0.14 0.20 0.20 0.0150 5.50-6.50 Bal 1.70-2.30 ≤0.100 9.50-10.70 0.100 11.00-13.00 0.050-0.100 2.25-2.75 5.20-5.70 1.00-1.50 ≤0.50

Mechanical Properties of steel grade K19H

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)
314 (≥) 211 (≥) 12 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade K19H

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 - -     0.13 -  
148 965 - 11.3 343   -  
863 - 31 21.2   423 214

Heat Treatment of steel grade K19H

Heat treated : 1986°C - 1144°C

Technological Curves of steel grade K19H

Cross Reference Table (Equivalent Grade) of K19H

Grade Standard Country Application
K419H GBT China conventional cast superalloy
K19H GBT China conventional cast superalloy
K19 K423
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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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