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Marage 300

Favorite Datasheet
Marage 300 MAR-M200
#Marage-250

Description

USA UNS SAE AMS 6463E (2013), Marage 300 Specialsteel Wire, Steel Welding, 18.5Ni - 8.5Co - 5.2Mo - 0.72Ti - 0.10Al, (Marage 300), Vacuum Melted, Environment Controlled Packaging and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Marage 300
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel Marage 300 Precipitation-Hardening UNS USA Wire, Steel Welding, 18.5Ni - 8.5Co - 5.2Mo - 0.72Ti - 0.10Al, (Marage 300), Vacuum Melted, Environment Controlled Packaging

Chemical composition(mass fraction)(wt.%) of the Marage 300

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 300

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)
812 (≥) 886 (≥) 14 43 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade Marage 300

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 - -     0.12 -  
729 386 - 22.3 214   -  
734 - 41 22.2   444 132

Heat Treatment of steel grade Marage 300

Heat treated : 1593°C - 1475°C

Technological Curves of steel grade Marage 300

Relevant standard of Marage 300

SAE AMS 6463E (2013) Wire, Steel Welding, 18.5Ni - 8.5Co - 5.2Mo - 0.72Ti - 0.10Al, (Marage 300), Vacuum Melted, Environment Controlled Packaging SAE-AMS-6463E-(2013).pdf
Marage 300 MAR-M200
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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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