California Steel and Tube produces these common specifications.
Special tolerances can be negotiated for unique applications.
ASTM A500 – 99, or latest revision
Cold Formed Welded and Seamless Steel Structural Tubing in Rounds and Shapes
ASTM A513 – 00, or latest revision
Electric-Resistance Welded Carbon Steel and Alloy Steel Mechanical Tubing
ASTM A787 – 96, or latest revision
Electric-Resistance Welded Metallic Coated Carbon Steel Mechanical Tubing
American Society for Testing and Materials (ASTM)
Reference: “Annual Book of ASTM Standards, Sect. 1, Volume – 01.01, Steel – Piping, Tubing, Fittings”
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