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Marage 300

Favorite Datasheet
A 646 Grade Marage 300 Marage 300
#Marage-250

Description

USA ASTM SAE AMS 6514H (2012), Marage 300 Specialsteel Steel, Maraging, Bars, Forgings, Tubing, and Rings 18.5Ni - 9.0Co - 4.9Mo - 0.65Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed 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 ASTM USA Steel, Maraging, Bars, Forgings, Tubing, and Rings 18.5Ni - 9.0Co - 4.9Mo - 0.65Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed

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)
699 (≥) 263 (≥) 34 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

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
43 - -     0.14 -  
734 364 - 11.3 113   -  
591 - 13 14.2   123 224

Heat Treatment of steel grade Marage 300

Heat treated : 1779°C - 1327°C

Technological Curves of steel grade Marage 300

Relevant standard of Marage 300

SAE AMS 6514H (2012) Steel, Maraging, Bars, Forgings, Tubing, and Rings 18.5Ni - 9.0Co - 4.9Mo - 0.65Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed SAE-AMS-6514H-(2012).pdf
A 646 Grade Marage 300 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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