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K477

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K461 K4801
#K477

Description

China GBT K477 conventional cast superalloy and K477 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K477
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K477 GBT China conventional cast superalloy
K19
K19H
K423
K423A
K424
K430
K438
K438G
K441
K461

Chemical composition(mass fraction)(wt.%) of the K477

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Co(%) B(%) Al(%) Ti(%) Fe(%)
0-05-0-09 0.50 0.20 0.015 0.010000000000000000 14.00-15* 25 Bal 3.90-4.50 14.00-16.00 0.012-0.020 4- 00-4.60 3.00-3.70 1.00

Mechanical Properties of steel grade K477

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)
226 (≥) 677 (≥) 21 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade K477

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
32 - -     0.31 -  
889 274 - 12.3 212   -  
461 - 44 41.2   312 322

Heat Treatment of steel grade K477

Heat treated : 1834°C - 1183°C

Technological Curves of steel grade K477

Cross Reference Table (Equivalent Grade) of K477

Grade Standard Country Application
K477 GBT China conventional cast superalloy
K461 K4801
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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