G1800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G1800

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SAE G1800

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This page is mainly introduced the G1800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G1800,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G1800
  • Steel Garde:G1800
  • Type:Cast Iron and Cast Steel
  • Country:USA
  • Standard:SAE
  • Standard Number:
    ITEM Standard Number Descriptions
    1 A 159 (2011) Automotive Gray Iron Castings
  • Metallographic Structure:Ferrite-Pearlitic
  • Application:Used in the products of the automobile, truck, tractor, and allied industries. Miscellaneous soft iron castings (as cast or annealed) in which strength is not of primary consideration. Exhaust manifolds may be made of this grade of iron, alloyed or unallo

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 3.40  3.70
Si 2.30  2.80
Mn 0.50  0.80
P   0.25
S   0.15
CEV 4.25  4.5

Mechanical Properties

Tensile strength 895~068 σb/MPa
Yield Strength 454 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 210~299 -
HRC 30 -

Physical Properties

Thermal expansion 78-75 e-6/K
Thermal conductivity 59-91 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6745-5302 째C
Density 3868-6635 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)
G1800 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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