1) Conforms to AISI Specifications for the design of cold formed steel structural members. Meets ASTM-A586. The yield strenght is 33,000 psi. (ASTM-A653)
2) Weight / foot is based on minimum thickness.
Drywall Track or runner sections are manufactured for the corresponding stud sizes and gages. Legs are "toed" in to provide a friction grip on the studs during installation. other custom sizes and cut to lenght tracks are available upon request.