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K125L

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MAR-M 246 Cast superalloy DZ4125L
#K125L #DZ125L #DZ4125L

Description

China GB K125L Superalloys Directional Solidification Superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: K125L
Category Class Grade Standard Country Application
Steel GradesSuperalloys K125L GB China Directional Solidification Superalloy

Chemical composition(mass fraction)(wt.%) of the K125L

C Cr Ni Co W Mo Al Ti Fe Ta B Zr Si Mn P S Pb Sb Sn Bi Ag
0.06 -0.14 8.20 -9.80 ≤Bal 9.20 -10.80 6.20 -7.80 1.50 -2.50 4.30 -5.30 2.00 -2.80 ≤0.20 3.30 -4.00 0.005 -0.015 ≤0.05 ≤0.15 ≤0.15 ≤0.001 ≤0.010 ≤0.0005 ≤0.001 ≤0.001 ≤0.00005 ≤0.0005

Mechanical Properties of steel grade K125L

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)
821 (≥) 143 (≥) 12 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade K125L

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 - -     0.21 -  
278 458 - 14.3 313   -  
388 - 22 23.2   144 134

Heat Treatment of steel grade K125L

Heat treated : 1142°C - 1368°C

Technological Curves of steel grade K125L

MAR-M 246 Cast superalloy DZ4125L
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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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