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

Northern Iron is TPG Casting accredited

Northern Iron is proud to be TPG Casting accredited. The not-for-profit Performance Review Institute did an audit of Northern Iron at 867 Forest Street in St. Paul. The conclusion of the audit was released on September 10th and Northern was granted the TPG Casting accreditation....
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Bringing the “5S” strategy to Northern Iron’s machine shop

We’re welcoming new machine shop supervisor Shawn Blucher to Northern Iron and Machine. Blucher comes to Northern with experience at multiple locations. He was a 2018 graduate of Anoka Tech. After graduation, Shawn went to the Dotson Foundry in Mankato, Minnesota. After six months, he...
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Northern Iron joins the St. Paul Area Chamber and ESABA

Northern Iron has been in St. Paul for more than a century and now we have become a member of the St. Paul Area Chamber of Commerce (SPACC). The chamber has a diverse network of businesses from the area looking to cultivate relationships and drive...
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Precision technology helps ensure quality castings

Northern Iron doesn’t simply just make castings, we precision machine them too up to the highest standards. Our machinists work on some of the most precise machining equipment in the foundry industry. CAD/CAM software Northern uses cutting-edge ESPRIT CAM software technology. This software helps in...
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Breaking the Mold

Many of us know what a pattern is. But do you know the process that goes into making that pattern into a mold? Well, the process has been streamlined a bit, thanks to two high-capacity automated molding lines at Northern Iron and Machine.  Those lines...
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Northern Iron is committed to improving air quality

Northern Iron & Machine is proactively working with the Minnesota Pollution Control Agency to resolve air permitting issues at our St. Paul, Minnesota location. Some steps we have taken include: ·        Submitted and complying with a plan to ensure initial and annual hood certifications are completed on time. ·        Operating air quality control equipment according to current permit...
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Metal Alloys 101

Metal alloys are a fundamental component of modern society and are used in a wide range of applications, from construction to manufacturing. However, not all metal alloys are created equal, and understanding the chemistry behind casting is crucial for creating high-quality and durable products. One...
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A brief history of Northern Iron & Machine

Northern Iron & Machine was originally established as the Walter A. Wood Harvester Company in 1892, later known as International Harvester. Northern Iron & Machine was founded by local businesspeople in 1906 and later relocated to its current site. The foundry produced malleable iron for...
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Cores

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...
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