What is grey iron casting?

Grey iron casting is a manufacturing process where molten grey iron is poured into moulds to produce components. The graphite in grey iron gives it excellent machinability, vibration damping, and wear resistance. Babu Engineering Foundry produces grey iron castings in grades FG 150, FG 200, FG 260 and FG 300 as per IS:210.

Which grades of grey iron does Babu Engineering Foundry offer?

Babu Engineering Foundry manufactures grey iron castings in FG 150, FG 200, FG 260 and FG 300 grades as per IS:210 standard. These cover applications from general engineering to high-strength pump and compressor components.

Who are the best grey iron casting manufacturers in Coimbatore?

Babu Engineering Foundry is an ISO 9001:2015 certified grey iron casting manufacturer in Coimbatore, Tamil Nadu, India, established in 1985. They supply to Elgi Equipments, CRI Pumps, Mahindra & Mahindra and other leading OEMs.

What industries use grey iron castings?

Grey iron castings are used in pump housings, compressor bodies, automotive components, agricultural equipment, machine tool beds, and general industrial applications. Babu Engineering Foundry supplies grey iron castings to all these sectors.

Grey Iron Castings (FG 150–FG 400) | Babu Engineering Foundry, Coimbatore

Grade

FG 150

Quality Assured

International Standards

India

IS 210 FG 150

Europe

EN-GJL-150 (GG 15)

USA

ASTM A48 Class 20

Japan

JIS G5501 FC150

Chemical Composition

Carbon

3.50 - 3.70%

Silicon

2.30 - 2.50%

Manganese

0.60 - 0.80%

Phosphorus

0.15% Max

Sulfur

0.12% Max

Key Characteristics

Excellent machinability
High thermal conductivity
Good vibration damping
Low tensile strength

Typical Applications

Non-structural parts, covers, pulleys, and low-load housings.

Grade

FG 200

Quality Assured

International Standards

India

IS 210 FG 200

Europe

EN-GJL-200 (GG 20)

USA

ASTM A48 Class 30

Japan

JIS G5501 FC200

Chemical Composition

Carbon

3.30 - 3.50%

Silicon

2.10 - 2.30%

Manganese

0.60 - 0.90%

Phosphorus

0.15% Max

Sulfur

0.12% Max

Key Characteristics

Balanced strength and machinability
Good surface finish
Reliable pressure tightness
Standard engineering grade

Typical Applications

Machine tool beds, cylinder blocks, gearboxes, and pump housings.

Grade

FG 260

Quality Assured

International Standards

India

IS 210 FG 260

Europe

EN-GJL-250 (GG 25)

USA

ASTM A48 Class 35/40

Japan

JIS G5501 FC250

Chemical Composition

Carbon

3.10 - 3.30%

Silicon

1.80 - 2.10%

Manganese

0.70 - 1.00%

Phosphorus

0.12% Max

Sulfur

0.12% Max

Key Characteristics

High wear resistance
Superior tensile strength
Good fatigue resistance
Moderate machinability

Typical Applications

Heavy-duty machine parts, brake drums, flywheels, and hydraulic components.

Grade

FG 300

Quality Assured

International Standards

India

IS 210 FG 300

Europe

EN-GJL-300 (GG 30)

USA

ASTM A48 Class 45

Japan

JIS G5501 FC300

Chemical Composition

Carbon

2.90 - 3.10%

Silicon

1.50 - 1.80%

Manganese

0.80 - 1.10%

Phosphorus

0.10% Max

Sulfur

0.12% Max

Key Characteristics

Excellent wear and heat resistance
Highest tensile strength in grey iron
High rigidity
Requires careful machining

Typical Applications

High-pressure valves, heavy diesel engine parts, and critical structural castings.

Grey Iron Castings

International Standards

Chemical Composition

Key Characteristics

International Standards

Chemical Composition

Key Characteristics

International Standards

Chemical Composition

Key Characteristics

International Standards

Chemical Composition

Key Characteristics

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