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■ Overview
Xinsteel stockholder thousands tons different sizes of hot rolled hot formed Rectangular hollow section S275NH,rectangular tubes S275NH,rectangular pipes,RHS,Rectangular steel tubular,welded rectangular hollow sections,seamless rectangular pipes.These hollow sections need to be done Normalized heat treatment and low temperature impacting test under minus 20Deg.C.
■ Full Data
Technical Requirements & Additional Services:
♦ Low temperature impacting test according to EN10045-1
♦ Wall thickness tolerance according to EN10210-2
♦ 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.
♦ Low temperature impacting test according to EN10045-1
♦ Wall thickness tolerance according to EN10210-2
♦ 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 S275NH Rectangular Hollow Sections:
|
Thickness (mm) |
|||||
|
|
≤ 16 |
> 16 ≤ 40 |
> 40 ≤ 65 |
Impact temperature |
Min.Energy |
|
Yield strength (≥Mpa) |
275 |
265 |
255 |
℃ |
J |
|
Tensile strength (Mpa) |
370-540 |
-20 |
40 |
||
►Chemical composition forS275NH Rectangular Hollow Sections (Heat Analysis Max%)
|
Main chemical elements composition of S275NH |
||||||
|
C |
Si |
Mn |
P |
S |
Nb |
V |
|
0.20 |
0.40 |
0.50-1.40 |
0.035 |
0.030 |
0.050 |
0.05 |
|
Alt min. |
Ti |
Cr |
Ni |
Mo |
Cu |
N |
|
0.02 |
0.03 |
0.03 |
0.30 |
0.10 |
0.35 |
0.015 |
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