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A 646 Grade Marage 300


A 646 Grade Marage 300 material is SAE A 646/A 646M (2011) Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings.

Chemical composition of A 646 Grade Marage 300, A 646 Grade Marage 300 mechanical properties, A 646 Grade Marage 300 datasheet, A 646 Grade Marage 300 equivalent grade, Heat treatment and temperature process of A 646 Grade Marage 300.


A 646 Grade Marage 300 property sheet

A 646 Grade Marage 300 Spec.

SAE A 646/A 646M (2011)
Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings

Related Materials

A 646 Grade Marage 300

Chemical Composition of A 646 Grade Marage 300

C: Max 0.03
Si: Max 0.10
Mn: Max 0.10
Ni: Max 18.50
Cr: Max Min
Al: Max 0.10
Cu: Max Min
Ti: Max 0.60
Fe: Max Min
Mo: Max 5.00
Co: Max 9.00

Mechanical Properties of A 646 Grade Marage 300

Rp0.2 (MPa) 581 (≥)
Rm (MPa) 738 (≥)
AKV (J) 22
A (%) 43
Z (%) 24
Hardness HBW 231

A 646 Grade Marage 300 shape and dimensions

A 646 Grade Marage 300 Round bar: 1mm-800mm
A 646 Grade Marage 300 Square bar: 10mm * 10mm-600mm *600mm
A 646 Grade Marage 300 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 646 Grade Marage 300 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 646 Grade Marage 300 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 646 Grade Marage 300 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes