G4000a chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G4000a

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SAE G4000a

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This page is mainly introduced the G4000a chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G4000a,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G4000a
  • Steel Garde:G4000a
  • Type:Cast Iron and Cast Steel
  • Country:USA
  • Standard:SAE
  • Standard Number:
    ITEM Standard Number Descriptions
    1 ASTM A159-1993 Automotive Gray Iron Castings
  • Metallographic Structure:Pearlitic
  • Application:Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 3.10  3.60
Si 1.95  2.40
Mn 0.60  0.90
P   0.10
S   0.15

Mechanical Properties

Tensile strength 034~066 σb/MPa
Yield Strength 690 σ 0.2 ≥/MPa
Elongation 46 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 973~888 -
HRC 30 -

Physical Properties

Thermal expansion 48-95 e-6/K
Thermal conductivity 18-33 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8694-5899 째C
Density 4106-0493 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
G4000a Cast Iron and Cast Steel Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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