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A 829 4340


A 829 4340 material is SAE A 829/A 829M (2011) Alloy Structural Steel Plates Alloy Structural Steel Plates.

Chemical composition of A 829 4340, A 829 4340 mechanical properties, A 829 4340 datasheet, A 829 4340 equivalent grade, Heat treatment and temperature process of A 829 4340.


A 829 4340 property sheet

A 829 4340 Spec.

SAE A 829/A 829M (2011)
Alloy Structural Steel Plates

Chemical Composition of A 829 4340

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 829 4340

Rp0.2 (MPa) 354 (≥)
Rm (MPa) 385 (≥)
AKV (J) 13
A (%) 21
Z (%) 12
Hardness HBW 411

A 829 4340 shape and dimensions

A 829 4340 Round bar: 1mm-800mm
A 829 4340 Square bar: 10mm * 10mm-600mm *600mm
A 829 4340 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 829 4340 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 829 4340 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 829 4340 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes