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K825

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K6188 K605
#K825

Description

China GBT K825 conventional cast superalloy and K825 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K825
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K825 GBT China conventional cast superalloy
K536
K537
K648
K708
K605
K610
K612
K640
K640M
K6188

Chemical composition(mass fraction)(wt.%) of the K825

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) V(%) W(%) Ti(%)
0.02-0.08 ≤0.50 ≤0.50 0.015 0.010 Bal 39.50-42.50 0.200-0.400 1.40-1.80 0.20-0.40

Mechanical Properties of steel grade K825

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)
422 (≥) 443 (≥) 44 11 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade K825

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 - -     0.11 -  
376 993 - 13.3 233   -  
949 - 42 42.2   443 411

Heat Treatment of steel grade K825

Heat treated : 1495°C - 1147°C

Technological Curves of steel grade K825

Cross Reference Table (Equivalent Grade) of K825

Grade Standard Country Application
K825 GBT China conventional cast superalloy
K6188 K605
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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