Q275B Hot Rolled Square Tube Galvanized

Xinsteel keeps all kinds of stock hot formed and cold formed high strength tensile Q275B square hollow tubes,hot rolled square hollow sections and galvanized square hollow pipes.These sections give buildings a better strength-to-weight ratio than those using comparable steel,concreteor timber products.

Technical Requirements & Additional Services:
♦ Galvanized coating according to GB/T 13912
♦ Dimension tolerance according to GB/T6728
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime.
 

►Mechnical property for Q275B Carbon steel hollow sections:

Thickness (mm)
Q275B
Yield strength (≥Mpa)	275
Tensile strength (Mpa)	410-540

►Chemical composition for Q275B Carbon steel hollow sections (Heat Analysis Max%)

Main chemical elements composition of Q275B
C	Si	Mn	P	S
0.24	0.35	1.50	0.045	0.045