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SAE G3000 Details

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G3000 Application:Cars and diesel engine cylinder block, cylinder head, flywheel and differential carrier medium castings, piston, brake hub and clutch plate

Category Type Grade Microstructure Designations
Grades Cast Iron and Cast Steel G3000 Pearlitic USA - SAE , ASTM A 159 (1983) - Pearlitic automotive gray iron castings

Chemical composition(wt.%) of G3000 grade: ASTM A 159 (1983)

Elements Min.(≥) Max.(≤) Similar Remarks
C 3.10 3.40
Si 1.90 2.30
Mn 0.60 0.90
P - 0.15
S - 0.15
G3000

Mechanical properties of grade G3000 ASTM A 159 (1983)

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)
254 (≥) 146 (≥) 43 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical properties of grade G3000 ASTM A 159 (1983)

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
219 (≥) 784 (≥) 12 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
172 659 842

G3000 - 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
G3000 SAE USA
Cars and diesel engine cylinder block, cylinder head, flywheel and differential carrier medium castings, piston, brake hub and clutch plate

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