Standard Tolerances

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”

Steel Tube Institute of North America

Reference: Handbook of Welded Steel Mechanical Tubing Available as a free download

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