Certified Company
DNV&ABSCertified Company
DNV&ABSCertified Company
ISO 9001:2008R&D Production
In ChinaA 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.
| SAE A 646/A 646M (2011) Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings |
| 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 |
| Rp0.2 (MPa) | 274 (≥) |
| Rm (MPa) | 298 (≥) |
| AKV (J) | 34 |
| A (%) | 31 |
| Z (%) | 41 |
| Hardness | HBW 131 |
| 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 |