+86 371 55057610 
inquiry@xsteelplate.com
■ Overview
Xinsteel have tons of stock higher carbon content square hollow sections 45#,45# square tubes,45# square pipes with seamless and welded typies.Square tubes,Square hollow sections,Square pipes,SHS,Square steel tubular,ERW square hollow sections,welded hollow sections,seamless SHS,seamless Square tubes.
■ 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 45 structural hollow section:
|
45# |
|
|
Yield strength (≥Mpa) |
335 |
|
Tensile strength (≥Mpa) |
590 |
►Chemical composition for 45 structural steel tube (Heat Analysis Max%)
|
Main chemical elements composition of 45# |
|||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
|
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
0.25 |
0.30 |
0.25 |
Tel：+86 371 55057610 
Fax： +86 371 5505 7611