Q235B Welded Sqaure Hollow Section

Xinsteel stockholder thousands tons different sizes of welded square hollow section GB/T 3091 and GB/T 3092 Q235B with ERW type.Hollow sections have a wide and diverse application in iconic structures such as the London Eye,Emirates Stadium and space frame structure of the world record-breaking JCB Dieselmax.

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 Q235B Carbon steel square hollow section:

Thickness (mm)
Q235B
Yield strength (≥Mpa)	235
Tensile strength (Mpa)	370-500

►Chemical composition for Q235B Carbon steel square hollow section (Heat Analysis Max%)

Main chemical elements composition of Q235B
C	Si	Mn	P	S
0.22	0.35	1.40	0.045	0.050