| CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES |
Cast analysis for product thicknessesT≤ 16 mm.
| Steel designation |
% masimum by mass |
| |
C |
Si |
Mn |
P |
S |
N |
| S 235 JR |
0,20 |
|
1,40 |
0,045 |
0,045 |
0,009 |
| S 275 JR |
0,21 |
|
1,50 |
0,045 |
0,045 |
0,009 |
| S 355 JR |
0,24 |
0,55 |
1,60 |
0,045 |
0,045 |
0,009 |
|
|
Mechanical properties of non-alloy steel Structural Hollow Sections.
| |
Minimun yield strength
N/mm2 |
Tensite strength
N/mm2 |
Minimum elongation
% |
Impact properties |
| Steel designation |
Nominal thickness |
Nominal thickness
|
Nominal thickness |
Test temperature
ºC |
Minimun average absorbed energy for standard test prieces |
|
T≤ 16 mm |
T≤ 3 mm |
3 mm ≤ T ≤ 40 mm |
T≤ 40 mm |
| S 235 JR |
235 |
360/510 |
340/470 |
26 |
20 |
0,009 |
| (*)S 275 JR |
275 |
430/580 |
410/560 |
20 |
20 |
0,009 |
| S 355 JR |
355 |
510/680 |
490/630 |
20 |
20 |
0,009 |
|
(*) The most used a steel is S 275 JR |
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