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K6188

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K640M K825
#K6188

Description

China GBT K6188 conventional cast superalloy and K6188 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K6188
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K6188 GBT China conventional cast superalloy
K242
K536
K537
K648
K708
K605
K610
K612
K640
K640M

Chemical composition(mass fraction)(wt.%) of the K6188

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%) Co(%) B(%) Fe(%)
0.15 0.20-0.50 ≤1.50 0.020 0.015 20.00-24.00 20.00-24.00 13.00-16.00 Bal ≤0.015 3.00

Mechanical Properties of steel grade K6188

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)
297 (≥) 382 (≥) 23 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade K6188

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
34 - -     0.32 -  
139 456 - 33.3 222   -  
347 - 23 32.2   444 133

Heat Treatment of steel grade K6188

Heat treated : 1436°C - 1823°C

Technological Curves of steel grade K6188

Cross Reference Table (Equivalent Grade) of K6188

Grade Standard Country Application
K6188 GBT China conventional cast superalloy
K640M K825
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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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