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SAE G2500 Details

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G2500 Application:Used in the products of the automobile, truck, tractor, and allied industries; small cylinder blocks, cylinder heads, air cooled cylinders, pistons, clutch plates, oil pump bodies, transmission cases, gear boxes, clutch housings, and light-duty brake drum

Category Type Grade Microstructure Designations
Grades Cast Iron and Cast Steel G2500 Ferrite-Pearlitic USA - SAE , A 159 (2011) - Automotive Gray Iron Castings

Chemical composition(wt.%) of G2500 grade: A 159 (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C 3.20 3.50
Si 2.00 2.40
Mn 0.60 0.90
P - 0.20
S - 0.15
CEV 4.0 4.25
G2500

Mechanical properties of grade G2500 A 159 (2011)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
286 (≥) 633 (≥) 44 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical properties of grade G2500 A 159 (2011)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
478 (≥) 511 (≥) 32 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
459 626 815

G2500 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
G2500 SAE USA
Used in the products of the automobile, truck, tractor, and allied industries; small cylinder blocks, cylinder heads, air cooled cylinders, pistons, clutch plates, oil pump bodies, transmission cases, gear boxes, clutch housings, and light-duty brake drum
G2500a SAE USA
Used in the products of the automobile, truck, tractor, and allied industries

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