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

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 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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Northern Iron gains a sister

The Lawton Standard Co. has recently added AMSCO Wear Products, Inc., located in Wilmington, Del., to the Lawton Standard family as part of its expansion strategy. AMSCO has been providing cost-effective, wear-resistant steel since 1915. They offer innovative design, world-class quality control, and superior customer...
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Northern Iron updates ISO 9001:2015

In April 2023, Northern Iron and Machine renewed its ISO 9001:2015 Certification.
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Northern Iron earns Transportation and Power Generation Certification

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...
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