 |
|
MagiZinc coated structural steel has a guaranteed strength. Currently structural steel with a yield strength up to 350 MPa is available. Higher strength structural steels coated with MagiZinc are being developed. |
|
 |
Relationships with Standards |
 |
|
The mechanical properties and chemical composition of MagiZinc coated structural steel is in line with the following standards.
| European standard |
National standards |
| |
UK |
Germany |
| EN 10326, 2004 |
BS 2989 |
DIN 17162-2 |
| S220GD+ZMA |
Z 22 |
- |
| S250GD+ZMA |
Z 25 |
St E 250-2Z |
| S280GD+ZMA |
Z 28 |
St E 280-2Z |
| S320GD+ZMA |
- |
St E 320-3Z |
| S350GD+ZMA |
Z 35 |
St E 350-3Z |
|
|
 |
Mechanical Properties |
 |
|
MagiZinc coated structural steel has the following mechanical properties - these are measured longitudinal to the rolling direction:
| |
Rp min.2) |
Rm min. |
A80 min.1) |
| Grade |
N/mm² |
N/mm² |
% |
| S220GD+ZMA |
220 |
300 |
20 |
| S250GD+ZMA |
250 |
330 |
19 |
| S280GD+ZMA |
280 |
360 |
18 |
| S320GD+ZMA |
320 |
390 |
17 |
| S350GD+ZMA |
350 |
420 |
16 |
1) For a thickness t ≤ 0.7 mm the minimum elongation after fracture is decreased by 2%. 2) If the yield point is pronounced, the values apply to the upper yield point (ReH). |
|
 |
Chemical Composition |
 |
|
MagiZinc coated structural steel of Tata Steel Strip Products IJmuiden complies with the following heat analysis with maximum values in weight percentages:
| Grade |
C |
Si |
Mn |
P |
S |
| |
Max. |
Max. |
Max. |
Max. |
Max. |
| S220GD+ZMA |
0.20 |
0.60 |
1.70 |
0.10 |
0.045 |
| S250GD+ZMA |
0.20 |
0.60 |
1.70 |
0.10 |
0.045 |
| S280GD+ZMA |
0.20 |
0.60 |
1.70 |
0.10 |
0.045 |
| S320GD+ZMA |
0.20 |
0.60 |
1.70 |
0.10 |
0.045 |
| S350GD+ZMA |
0.20 |
0.60 |
1.70 |
0.10 |
0.045 |
|
|
 |
Dimensions |
 |
|
MagiZinc structural steel is available in the following dimensions in mm:
| |
Maximum Width |
|
| Thickness |
S220GD |
|
|
| |
S250GD |
|
|
| from-up to |
S280GD |
S320GD |
S350GD |
| 0.40 - 0.45 |
1520 |
1350 |
- |
| 0.45 - 0.50 |
1520 |
1370 |
- |
| 0.50 - 0.60 |
1520 |
1420 |
- |
| 0.60 - 0.70 |
1520 |
1520 |
1420 |
| 0.70 - 0.75 |
1520 |
1520 |
1420 |
| 0.75 - 0.90 |
1550 |
1550 |
1520 |
| 0.90 - 1.20 |
1550 |
1550 |
1550 |
| 1.20 - 1.60 |
1550 |
1550 |
1550 |
| 1.60 - 2.00 |
1520 |
1520 |
1520 |
Thickness range 2.00 - 2.50 mm is available on request.
|
|