Welded Steel Tubing 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)
100 Barr Harbor Drive
West Conshohocken, PA 19428-2959
Phone: 610/832-9585 Fax: 610/832-9555

Reference: “Annual Book of ASTM Standards, Sect. 1, Volume – 01.01, Steel – Piping, Tubing, Fittings”

Steel Tube Institute of North America
2000 Ponce De Leon, Ste 600
Coral Gable, FL 33134
Phone: 305/421-6326 Fax: 305/443/1603

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

California Steel and Tube welcomes all inquiries for standard or special tolerances.
Just contact our sales department. (request information).