Q235D Hot Rolled Square Tube

GB/T 34201 Q235D hot rolled seamless square hollow sections shall be done low temperature impacting test at minus 20 Deg.C and can be used in low temperature situiations such as deep ocean,winter season.Xinsteel stockholder variouse dimensions of hot rolled steel square hollow sections,the biggest stock sides can be 500mm*500mm which can be loading for shipment soonest.

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 Q235D Carbon steel square hollow section:

Thickness (mm)
Q235D
Yield strength (≥Mpa)	235
Tensile strength (Mpa)	370-500

►Chemical composition for Q235D Carbon steel square hollow section (Heat Analysis Max%)

Main chemical elements composition of Q235D
C	Si	Mn	P	S
0.22	0.35	1.40	0.045	0.050