Carbon Steel Square Pipe

Carbon steel square pipe, also known as Square Hollow Section (SHS), is a structural steel product with four equal sides and excellent strength-to-weight ratio. It is manufactured through high-frequency welding (ERW) or seamless processing, offering consistent dimensional accuracy and smooth surface finish for versatile applications .

Product Parameters

Square Size Range: 15mm x 15mm to 500mm x 500mm
Wall Thickness: 0.8mm to 30mm (regular sizes: 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm)
Length: 6 meters standard, customizable from 3 to 12 meters or as required
Regular Material Grades: Q195, Q235, Q345, SS400, A36, Gr.A/Gr.B/Gr.C, S235/S275/S355, STKR400
Processing Technique: ERW (Electric Resistance Welded), Hot Rolled, Cold Rolled, Seamless
Execution Standards: JIS G3466, ASTM A500, EN 10219, EN 10210, GB/T 6728, KS D 3568
Packaging: Standard export seaworthy bundles with steel strips, hexagonal bundling for smaller sizes, plastic bags, or as per customer requirement
Surface Treatment: Bare, black paint, oiled, hot dipped galvanized, pre-galvanized, varnish lacquer, or shot blasting

Product Applications

Carbon steel square pipe is widely used in structural frameworks for buildings and bridges, equipment fabrication, machinery components, automotive parts, furniture frames, fencing and handrails, scaffolding, greenhouse structures, solar panel supports, and general construction projects requiring strength and durability .