As knows,steel hollow section produced by cold formed and hot formed
Cold formed use welded steel production line to finish productions
today mainly introduce hot-formed seamless structural steel section
products carry approvals from national and international
acceptance bodies and classification societies. All our
plants are certified to ISO 9001.
EN 10210 Hot finished structural hollow sections
Part 1: Technical delivery requirements for non-alloy
and fine-grain steels
Part 2: Tolerances, dimensions and sectional
properties
Part 3: Technical delivery requirements for high
strength and weather resistant steels
ASTM A501-21 Hot-Formed Carbon Steel
Structural Tubing
ASTM A618-21 Hot-Formed High-Strength
Low-Alloy Structural Tubing
ISO 12633
EN 10225-3 for offshore applications
Det Norske Veritas (DNV) and the American
Bureau of Shipping (ABS) certification for Oceanfit®
production sites
