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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.

ITEM	Standard Number	Descriptions
1	ASTM A159-1993	Automotive Gray Iron Castings

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	347～252	σb/MPa
Yield Strength	643	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	469～193	-
HRC	30	-

Physical Properties

Thermal expansion	99-36	e-6/K
Thermal conductivity	28-42	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8618-3977	째C
Density	4144-1765	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