651-778-3300 Mon - Fri 7:00am - 3:30pm 867 Forest Street, St. Paul, MN 55106
Gray, ductile, and austempered ductile iron castings up to 250lbs.
ASTM A536, SAE J434, ASTM A48, SAE J431


Cores define the internal space inside iron castings while the mold defines the outside shape of the casting. Cores are used to shape the inside of castings as well as any parts that can’t be shaped by the pattern. Cores allow more intricate and detailed designs for castings. The cores we produce 2 Redford HS 16 Shell1...
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In April 2023, Northern Iron and Machine renewed its ISO 9001:2015 Certification.
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Following their successful audit completion, Northern Iron and Machine earned certification from the Performance Review Institute in the Transportation and Power Generation Accreditation Program for casting processes. This certification emphasizes Northern Iron and Machine’s continued commitment to making high-quality castings and finished parts and dedication to reducing costs. The Performance Review Institute initially developed the...
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