Steel grade S275JR is a widely used non-alloy structural steel that meets the requirements of the EN 10025-2 standard. It is primarily designed for structural applications and is available in flat and long hot-rolled products as well as semi-finished products, making it versatile for a range of engineering and construction projects.
Chemical composition
|
C for nominal thickness in mm |
Mn |
P |
S |
N |
Cu |
||
|
≤ 16 |
˃16 ≤ 40 |
˃ 40 |
|||||
|
≤ 0.21 |
≤ 0.21 |
≤ 0.22 |
≤ 1.50 |
≤ 0.035 |
≤ 0.035 |
≤ 0.012 |
≤ 0.55 |
Mechanical properties
|
Nominal thickness, mm |
Minimum yield strength, MPa |
Strength limit, MPa |
|
<3 |
275 |
430-580 |
|
≥3 ≤ 16 |
275 |
410-560 |
|
> 16 ≤ 40 |
265 |
410-560 |
|
> 40 ≤ 63 |
255 |
410-560 |
|
> 63 ≤ 80 |
245 |
410-560 |
|
> 80 ≤ 100 |
235 |
410-560 |
|
> 100 ≤ 150 |
225 |
400-540 |
|
> 150 ≤ 200 |
215 |
380-540 |
|
> 200 ≤ 250 |
205 |
380-540 |
|
> 250 ≤ 400 |
195 |
380-540 |
Steel S275JR analogues
|
Germany |
St44-2 |
|
France |
E28-2 |
|
UK |
43B |
|
Europe (outdated) |
Fe430B |
|
Sweden |
1412-00 |
|
Norway |
NS12142 |
Products Applications
Steel grade S275JR is widely used in both construction and machinery industries due to its balanced strength, ductility, and weldability. In the construction sector, it is commonly supplied in the form of long and flat hot-rolled products, which are further fabricated into welded or riveted steel structures, including beams, columns, trusses, and support frameworks.
These components are used in buildings, bridges, and industrial facilities, where reliable structural performance under static and dynamic loads is required.
In the machinery and manufacturing industry, S275JR is employed to produce low-load components such as bushings, shafts, axles, and frames. Its excellent machinability, formability, and consistent mechanical properties allow for precise fabrication and dependable operation in light-duty mechanical systems.
Furthermore, the steel's good weldability enables designers and engineers to create complex assemblies and reinforced structures, while its cost-effectiveness makes it ideal for large-scale projects that require durable yet economical materials. S275JR's versatility across structural engineering and machine building demonstrates its wide-ranging industrial value and suitability for multiple applications.
