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G4000 material is SAE A 159 (2011) Automotive Gray Iron Castings Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons. .

Chemical composition of G4000, G4000 mechanical properties, G4000 datasheet, G4000 equivalent grade, Heat treatment and temperature process of G4000.

G4000 property sheet

G4000 Spec.

SAE A 159 (2011)
Automotive Gray Iron Castings

Related Materials


Chemical Composition of G4000

C: 3.00 3.30
Si: 1.80 2.10
Mn: 0.70 1.00
P: Max 0.10
S: Max 0.15
CEV: 3.7 3.9

Mechanical Properties of G4000

Rp0.2 (MPa) 949 (≥)
Rm (MPa) 146 (≥)
AKV (J) 43
A (%) 32
Z (%) 44
Hardness HBW 423

G4000 shape and dimensions

G4000 Round bar: 1mm-800mm
G4000 Square bar: 10mm * 10mm-600mm *600mm
G4000 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
G4000 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
G4000 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
G4000 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes