Structural-steel-tubing-daily-rolling-specs-2026-09-03

Choosing certified square and rectangular steel tubes is critical for structural stability in commercial building, offshore, and infrastructure projects. Tianjin Yuantai Derun manufactures structural hollow sections strictly compliant 

with international codes, including EN 10219, EN 10210, ASTM A500, JIS G3466, AS 1163, and CSA G40.21.

To guarantee zero structural weakness, every profile is produced with 100% continuous longitudinal welds, strictly eliminating splice joints and dunnage bar surface indentations.

Featured Rolling Sizes from Today's Schedule:

• Heavy Structural Sections: 450 x 450 x 13.75/15.75mm, 350x 350x 7.75mm, 200x 200x 9.5mm

• Medium Hollow Profiles: 100x 100x 4.75mm, 80x 100x 4.5mm, 50x 150x 4.0mm

• Light Commercial Tubing: 30x 50x 1.7mm, 20 x40x 2.0mm

• Compliance: Full MTC traceability 

• Qulity Assurance: No Splice Joints | No Dunnage Bars

• Supply Options: Cash & Spot Stock | Custom Length Cutting