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K441

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K438G K461
#K441

Description

China GBT K441 conventional cast superalloy and K441 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K441
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K441 GBT China conventional cast superalloy
K18
K18B
K19
K19H
K423
K423A
K424
K430
K438
K438G

Chemical composition(mass fraction)(wt.%) of the K441

C(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) B(%) Al(%)
0.02-0.10 0.015 0.010000000000000000 15.00-17.00 Bal 1.50-3.00 12.00-15.00 0.001-0.010 3.10-4.00

Mechanical Properties of steel grade K441

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)
557 (≥) 224 (≥) 22 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade K441

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 - -     0.33 -  
618 186 - 12.3 332   -  
631 - 14 11.2   243 234

Heat Treatment of steel grade K441

Heat treated : 1722°C - 1861°C

Technological Curves of steel grade K441

Cross Reference Table (Equivalent Grade) of K441

Grade Standard Country Application
K441 GBT China conventional cast superalloy
K438G K461
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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