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A 529 Grade 42


A 529 Grade 42 material is SAE A 529/A 529M High-Strength Carbon-Manganese Steel of Structural Quality High-Strength Carbon-Manganese Steel of Structural Quality.

Chemical composition of A 529 Grade 42, A 529 Grade 42 mechanical properties, A 529 Grade 42 datasheet, A 529 Grade 42 equivalent grade, Heat treatment and temperature process of A 529 Grade 42.


A 529 Grade 42 property sheet

A 529 Grade 42 Spec.

SAE A 529/A 529M
High-Strength Carbon-Manganese Steel of Structural Quality

Chemical Composition of A 529 Grade 42

C: Max 0.01
Si: Max 0.20
Mn: Max 0.30
P: Max Min
S: Max Min
Ni: Max 0.15
Cr: 28.00 30.00
Al: Max Min
Cu: Max 0.15
Ti: Max Min
Fe: Max Min
N: Max 0.02
Mo: 3.50 4.20

Mechanical Properties of A 529 Grade 42

Rp0.2 (MPa) 754 (≥)
Rm (MPa) 393 (≥)
AKV (J) 13
A (%) 23
Z (%) 23
Hardness HBW 412

A 529 Grade 42 shape and dimensions

A 529 Grade 42 Round bar: 1mm-800mm
A 529 Grade 42 Square bar: 10mm * 10mm-600mm *600mm
A 529 Grade 42 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 529 Grade 42 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 529 Grade 42 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 529 Grade 42 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes