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A 29 4121


A 29 4121 material is SAE A 29/A 29M (2012) Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for.

Chemical composition of A 29 4121, A 29 4121 mechanical properties, A 29 4121 datasheet, A 29 4121 equivalent grade, Heat treatment and temperature process of A 29 4121.


A 29 4121 property sheet

A 29 4121 Spec.

SAE A 29/A 29M (2012)
Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

Chemical Composition of A 29 4121

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 29 4121

Rp0.2 (MPa) 159 (≥)
Rm (MPa) 873 (≥)
AKV (J) 42
A (%) 44
Z (%) 21
Hardness HBW 414

A 29 4121 shape and dimensions

A 29 4121 Round bar: 1mm-800mm
A 29 4121 Square bar: 10mm * 10mm-600mm *600mm
A 29 4121 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 29 4121 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 29 4121 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 29 4121 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes