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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

A 646 Grade Nit. 135


A 646 Grade Nit. 135 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 Nit. 135, A 646 Grade Nit. 135 mechanical properties, A 646 Grade Nit. 135 datasheet, A 646 Grade Nit. 135 equivalent grade, Heat treatment and temperature process of A 646 Grade Nit. 135.


A 646 Grade Nit. 135 property sheet

A 646 Grade Nit. 135 Spec.

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

Related Materials

A 646 Grade Nit. 135

Chemical Composition of A 646 Grade Nit. 135

C: 0.38 0.43
Si: 0.20 0.40
Mn: 0.50 0.70
Cr: Max Min
Ni: 0.30 0.40
Mo: Max Min
Co: Max Min
W: 0.95 1.30
Al: Max Min
Cu: Max Min
Ti: Max Min
Fe: Max Min

Mechanical Properties of A 646 Grade Nit. 135

Rp0.2 (MPa) 438 (≥)
Rm (MPa) 189 (≥)
AKV (J) 32
A (%) 34
Z (%) 43
Hardness HBW 413

A 646 Grade Nit. 135 shape and dimensions

A 646 Grade Nit. 135 Round bar: 1mm-800mm
A 646 Grade Nit. 135 Square bar: 10mm * 10mm-600mm *600mm
A 646 Grade Nit. 135 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 646 Grade Nit. 135 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 646 Grade Nit. 135 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 646 Grade Nit. 135 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes