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Marage 250

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Marage 250 A 646 Grade Marage 300
#Marage-250

Description

USA UNS SAE AMS 6501D (2007), Marage 250 Specialsteel Steel, Maraging, Welding Wire 18Ni - 8.0Co - 4.9Mo - 0.40Ti - 0.10Al Vacuum Induction Melted, Environment Controlled Packaging and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Marage 250
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel Marage 250 Precipitation-Hardening UNS USA Steel, Maraging, Welding Wire 18Ni - 8.0Co - 4.9Mo - 0.40Ti - 0.10Al Vacuum Induction Melted, Environment Controlled Packaging

Chemical composition(mass fraction)(wt.%) of the Marage 250

C Si Mn Ni Cr Al Cu Ti Fe Mo Co
≤0.03 ≤0.10 ≤0.10 ≤18.00 ≤ ≥ ≤0.10 ≤ ≥ ≤0.40 ≤ ≥ ≤5.00 ≤8.00

Mechanical Properties of steel grade Marage 250

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)
691 (≥) 514 (≥) 33 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade Marage 250

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
41 - -     0.34 -  
979 656 - 34.3 142   -  
517 - 23 13.2   442 424

Heat Treatment of steel grade Marage 250

Heat treated : 1925°C - 1958°C

Technological Curves of steel grade Marage 250

Relevant standard of Marage 250

SAE AMS 6501D (2007) Steel, Maraging, Welding Wire 18Ni - 8.0Co - 4.9Mo - 0.40Ti - 0.10Al Vacuum Induction Melted, Environment Controlled Packaging SAE-AMS-6501D-(2007).pdf
Marage 250 A 646 Grade Marage 300
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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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