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K403

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K401 K405
#K403

Description

China GBT K403 Age hardening type Nickel base alloy and K403 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K403
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K403 GBT China Age hardening type Nickel base alloy
GH4698
GH4710
GH4738
GH4761
K211
K213
K214
K232
K273
K401

Chemical composition(mass fraction)(wt.%) of the K403

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Co(%) B(%) Al(%) Ti(%) Fe(%) Other(%)
0.11-0.18 Max 0.5 Max 0.5 Max 0.02 Max 0.01 10.0-12.0 Balance 3.80-4.50 4.80-5.50 4.50-6.00 0.012-0.022 5.30-5.90 2.30-2.90 Max 2.0 Ce:Max 0.01,Zr: 0.03-0.08

Mechanical Properties of steel grade K403

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)
842 (≥) 116 (≥) 12 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade K403

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
44 - -     0.41 -  
995 366 - 43.3 341   -  
945 - 32 13.2   114 332

Heat Treatment of steel grade K403

Heat treated : 1775°C - 1431°C

Technological Curves of steel grade K403

Cross Reference Table (Equivalent Grade) of K403

Grade Standard Country Application
K403 GBT China Age hardening type Nickel base alloy
K401 K405
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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