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G4000 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G4000

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SAE G4000

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This page is mainly introduced the G4000 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G4000,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G4000

Steel Garde:G4000
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:Pearlitic
Application:Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.

ITEM	Standard Number	Descriptions
1	A 159 (2011)	Automotive Gray Iron Castings

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
G4000a	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	3.00	3.30
Si	1.80	2.10
Mn	0.70	1.00
P		0.10
S		0.15
CEV	3.7	3.9

Mechanical Properties

Tensile strength	562～227	σb/MPa
Yield Strength	414	σ 0.2 ≥/MPa
Elongation	90	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	256～139	-
HRC	30	-

Physical Properties

Thermal expansion	15-12	e-6/K
Thermal conductivity	12-31	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0612-3742	째C
Density	3249-8267	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)
G4000 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