Yuantai Group is now manufacturing cold-formed hollow sections to the Canadian specification CSA G40.21 50W, or what is commonly referred to as 350W. The grade is utilized in a variety of structural applications. The specific mechanical properties are summarized as follows.
Mechanical Properties of Round Pipe
Mechanical Properties of Round Pipe
| |
Yield Strength | 50,000 psi min |
Tensile Strength | 65,000 psi min |
Elongation in 2" | 22 min* |
Mechanical Properties of Square & Rectangular Pipe
Mechanical Properties of Square & Rectangular Pipe
| |
Yield Strength | 50,000 psi min |
Tensile Strength | 65,000 psi min |
Elongation in 2" | 22 min* |
O. D. Tolerance
O.D. Tolerance | CSA G40.21 50W(350W) |
>2.5" Incl. | +/-.020" |
Over 2.5"-3.5" Incl. | +/-.030" |
Over 3.5"-5.5" Incl. | +/-.040" |
Over 5.5" | +/-1% |
Other Tolerance
Wall Thickness | +10% / -5% |
Mass | +10% / -3.5% |
Straightness (Max allowed) | 1/8" X length (in feet) divided by 5 |
Squareness | +/- 2 degrees |
Tianjin yuantai Derun Tubo de Acero manufacturing group co., Ltd
