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Chemical composition % of steel (1.7228): EN 10083-3-2006
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
0.46 - 0.54 |
max 0.4 |
0.5 - 0.8 |
max 0.025 |
max 0.035 |
0.9 - 1.2 |
0.15 - 0.3 |
Mechanical properties of steel (1.7228)
|
Nominal diameter (mm): |
to 16 |
16 - 40 |
40 - 100 |
100 - 160 |
160 - 250 |
250 - 330 |
330 - 500 |
|
Rm - Tensile strength (MPa) (+QT) |
1100-1300 |
1000-1200 |
900-1100 |
850-1000 |
750-950 |
750 |
700 |
|
Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; |
to 16 |
16 - 40 |
40 - 100 |
100 - 160 |
160 - 250 |
Re - Upper yield strength or
Rp0.2 - 0.2% proof strength (MPa) (+QT) |
900 |
780 |
700 |
650 |
550 |
|
Nominal thickness(mm): |
to 160 |
160 - 330 |
330 - 500 |
|
Re - Upper yield strength (MPa) (+QT) |
550 |
540 |
490 |
|
A - Min. elongation at fracture (%) transverse, (+QT) |
9-11 |
|
Nominal thickness (mm): |
to 16 |
16 - 40 |
40 - 100 |
100 - 160 |
160 - 250 |
|
A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products |
9 |
10 |
12 |
13 |
13 |
|
Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; |
to 16 |
16 - 40 |
40 - 100 |
100 - 160 |
160 - 250 |
|
Z - Reduction in cross section on fracture (%) (+QT) |
40 |
45 |
50 |
50 |
50 |
