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Marage 300

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)
583 (≥) 932 (≥) 11 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

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
31 - -     0.31 -  
587 167 - 24.3 212   -  
915 - 34 21.2   334 434

Heat Treatment of steel grade Marage 300

Heat treated : 1578°C - 1759°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

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