Q215B Hot Rolled Sqaure Tube

Hot rolled Square hollow sections Q215B in GB/T 34201 is inherently strong and efficient.These sections give buildings a better strength-to-weight ratio than those using comparable steel,concreteor timber products.Xinsteel keeps all kinds of stock hot formed square tubes,hot rolled steel square tubes,square pipes.

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 Q215B Carbon steel tube:

Thickness (mm)
Q215B	≤ 16	> 16 ≤ 40	> 40
Yield strength (≥Mpa)	215	205	195
Tensile strength (Mpa)	335-450

►Chemical composition for Q215B Carbon steel tube (Heat Analysis Max%)

Main chemical elements composition of Q215B
C	Si	Mn	P	S
0.15	0.35	1.20	0.045	0.045