Rectangular tube

Product Catalog

Q: What is a rectangular tube?

A rectangular tube (RHS — Rectangular Hollow Section) is a hollow structural section with a rectangular cross-section, produced by forming and welding a flat strip, then shaping it into the final profile. It is available in both welded and seamless variants.

Q: What are the key characteristics of rectangular tubes?

Flat surfaces on all four sides — easy to mount, weld, and connect
Higher section modulus than round tubes of the same weight
Good torsional and bending resistance in both major and minor axes
Aesthetic and modern appearance, suitable for visible structures
Available in various grades and finishes (galvanized, painted, mill finish)

Q: What are the typical applications of rectangular tubes?

Building and warehouse steel frames
Trailer and vehicle chassis
Fencing and gate posts
Furniture frames and shelving systems
Glass curtain wall supports and architectural structures.

Tubes

Rectangular tubes download

FOB/ FCA/ CIF/ CFR

T/T, L/C (Regular customer only)

Can be customized

GB/T6728-2017、GB/T6725-2017, EN10201, ASTM, JIS

Q235B/Q235C/Q355B/Q355C/Q355D/Q355E/Q390D

S235/S275/S355(JR/J0/J2)

A36/A572-GR50/A2992

SS400

Free quotation

Product Catalog

Rectangular Tube

STANDARD+

GRADE+