High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

Marage 300


Marage 300 material is UNS 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 Steel, Maraging, Bars, Forgings, Tubing, and Rings 18.5Ni - 9.0Co - 4.9Mo - 0.65Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed.

Chemical composition of Marage 300, Marage 300 mechanical properties, Marage 300 datasheet, Marage 300 equivalent grade, Heat treatment and temperature process of Marage 300.


Marage 300 property sheet

Marage 300 Spec.

UNS 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

Chemical Composition of Marage 300

C: Max 0.03
Si: Max 0.10
Mn: Max 0.10
Ni: Max 18.00
Cr: Max Min
Al: Max 0.10
Cu: Max Min
Ti: Max 0.40
Fe: Max Min
Mo: Max 5.00
Co: Max 8.00

Mechanical Properties of Marage 300

Rp0.2 (MPa) 847 (≥)
Rm (MPa) 816 (≥)
AKV (J) 43
A (%) 13
Z (%) 42
Hardness HBW 334

Marage 300 shape and dimensions

Marage 300 Round bar: 1mm-800mm
Marage 300 Square bar: 10mm * 10mm-600mm *600mm
Marage 300 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Marage 300 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Marage 300 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Marage 300 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes