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G2500a chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G2500a

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SAE G2500a

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This page is mainly introduced the G2500a chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G2500a,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Brake drums and clutch plates for moderate service requirements, where high carbon iron is desired to minimize heat checking. Lamellar pearlite ferrite if present not to exceed 15%.

Steel Garde:G2500a
Type:Cast Iron and Cast Steel
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 ASTM A 159 (1983) Automotive gray iron castings
Metallographic Structure:Ferrite-Pearlitic
Application:Used in the products of the automobile, truck, tractor, and allied industries

ITEM	Standard Number	Descriptions
1	ASTM A 159 (1983)	Automotive gray iron castings

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		3.40
Si	1.60	2.10
Mn	0.60	0.90
P		0.15
S		0.12

Mechanical Properties

Tensile strength	768～662	σb/MPa
Yield Strength	873	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	686～338	-
HRC	30	-

Physical Properties

Thermal expansion	68-10	e-6/K
Thermal conductivity	28-04	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4740-0541	째C
Density	1218-7489	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)
G2500a 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