+86 371 55057610 
inquiry@xsteelplate.com
■ Overview
Xinsteel keeps all kinds of stock welded low temperature impacting test high strength tensile Q275D square hollow tubes,square hollow sections and square hollow pipes.GB/T 3091 Q275D square hollow section shall be done low temperature impacting test at minus 20 Deg.C when rolling.
■ 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 Q275D Carbon steel hollow sections:
|
Thickness (mm) |
|
|
Q275D |
|
|
Yield strength (≥Mpa) |
275 |
|
Tensile strength (Mpa) |
410-540 |
►Chemical composition for Q275D Carbon steel hollow sections (Heat Analysis Max%)
|
Main chemical elements composition of Q275D |
||||
|
C |
Si |
Mn |
P |
S |
|
0.24 |
0.35 |
1.50 |
0.045 |
0.045 |
Tel：+86 371 55057610 
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