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Ran Industries Inc. · Foundry Division

SG Iron / Ductile Iron Castings

Metallurgically verified castings up to 2.5 tonnes with precision CNC machining.

High-strength spheroidal graphite (SG) iron castings offering superior ductility and impact resistance - ideal for gears, flanges, and load-bearing structural parts.

SG Iron / Ductile Iron CastingsRan Industries Inc. Foundry
Facility & Part Views:
Metallurgy & Quality

Controlled chemistry & dimensional accuracy.

Each melt heat is tested with an optical emission spectrometer to ensure chemical composition adheres strictly to ASTM / IS standards before pouring into precision sand molds.

Supplied with raw chemical/physical test certificates, heat treatment charts, and CMM dimensional inspection reports.

Technical specifications

SG Iron / Ductile Iron Castings Parameters

5 parameters
ParameterSpecification
Material GradeIS 1865 / ASTM A536 SG Iron (400/15, 500/7, 600/3)
Tensile StrengthUp to 800 MPa
Typical UsesGears, flanges, load-bearing knuckles, hydraulic heads
Heat TreatmentAnnealing, Normalising, Stress Relieving
Quality ChecksMicrostructure nodularity check & ultrasonic test