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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)
767 (≥) 994 (≥) 11 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

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
32 - -     0.42 -  
326 817 - 32.3 443   -  
923 - 44 14.2   314 134

Heat Treatment of steel grade Marage 250

Heat treated : 1728°C - 1711°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.

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