This specification covers construction, material, finish requirements, welding, design guidelines, tolerances, workmanship standards, and quality control and source approval for six different types of exhaust tubing.

THIS SPECIFICATION SHOULD BE REFERENCED IN PLACE OF TMS-1058 FOR NEW EXHAUST SYSTEMS SPECIFIED AFTER THE ISSUE DATE OF THIS SPECIFICATION. Existing drawings which reference TMS-1058 should refer to TMS-1058 for requirements, and are superseded by this specification.

Restricted Chemical Substances

Effective JANUARY 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of CEMS B-50.

APPLICATION

This specification covers single wall steel tubing used in exhaust systems with formed, beaded, or straight ends, and applies to tubing 1.625 to 7.00 inches in diameter. For requirements on double wall steel tubing, refer to TMS-1070.