■ Overview
GB/T 3091 gb.t 3092 Q235D welded 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 keeps all kinds of stock hot formed and cold formed square tubes,square hollow sections and seamless square pipes.
■ Full Data
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.
♦ 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.
■ Techicals
►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 |