+86 371 55057610 
inquiry@xsteelplate.com
■ Overview
Chinese national big steel mills rolling 35# square hollow sections,35# seamless steel tubes,35# seamless steel pipes,35# square tubes,35# square pipes,35# welded pipes.Xinsteel stockholder thousands tons different sizes of hot rolled and cold formed square hollow tubes and pipes in chinese specifications.
■ 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 35 structural hollow section:
|
35# |
|
|
Yield strength (≥Mpa) |
305 |
|
Tensile strength (≥Mpa) |
510 |
►Chemical composition for 35 structural steel tube (Heat Analysis Max%)
|
Main chemical elements composition of 35# |
|||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
|
0.32-0.39 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
0.25 |
0.30 |
0.25 |
Tel：+86 371 55057610 
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