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GM Material Specifications — Steel Specifications & Supply
41 specifications available — General Motors (GM) material standards — including GMW2M-ST-S and GMW3032M/3399M designations — define steel grades for GM vehicle platforms. Ameristeel supplies GM-specified cold rolled and hot rolled steel in drawing quality, bake-hardenable, HSLA low-alloy, and advanced high-strength dual-phase (AHSS) grades with galvanized, galvanneal, and electrogalvanized coating availability. These specifications govern material selection for body panels, structural reinforcements, and crash-management components across GM's vehicle lineup. Stocked in coils and sheets at our Fraser, MI facility, with blanking, slitting, and cut-to-length processing for prototype builds and high-volume production orders. Request a quote for GM-spec steel shipped to Warren, Detroit, and throughout Southeast Michigan
General Motors (GM) material standards — including GMW2M-ST-S and GMW3032M/3399M designations — define steel grades for GM vehicle platforms. Ameristeel supplies GM-specified cold rolled and hot rolled steel in drawing quality, bake-hardenable, HSLA low-alloy, and advanced high-strength dual-phase (AHSS) grades with galvanized, galvanneal, and electrogalvanized coating availability. These specifications govern material selection for body panels, structural reinforcements, and crash-management components across GM's vehicle lineup. Stocked in coils and sheets at our Fraser, MI facility, with blanking, slitting, and cut-to-length processing for prototype builds and high-volume production orders. Request a quote for GM-spec steel shipped to Warren, Detroit, and throughout Southeast Michigan. Browse our complete supply of GM steel grades below — Ameristeel maintains inventory across all listed specifications and can source additional GM grades through our direct mill relationships.
Need GM steel for your next project? Ameristeel supplies these grades from our Fraser, MI raw material facility with processing available through our production steel sales program. Ready to order? Request a quote for any specification listed below.