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MagiZinc coated high-strength grades are high-strength steels with good forming capabilities. For MagiZinc, micro-alloyed steel grades are available, while phosphorus alloyed and bake-hardening grades are currently under development. |
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Relationships with Standards |
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The mechanical properties and chemical composition of MagiZinc coated high-strength steel is in line with the following standards.
| European standard |
National standards
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| EN 10292, 2007 |
Germany
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USA
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| Micro Alloyed |
SEW093 1) |
ASTM A653 |
| HX220LAD+ZMA ²) |
- |
- |
| HX260LAD+ZMA |
ZstE260 |
- |
| HX300LAD+ZMA |
ZstE300 |
- |
| HX340LAD+ZMA |
ZstE340 |
- |
| HX380LAD+ZMA |
ZstE380 |
HSLAS A+B Gr.50 |
| HX420LAD+ZMA |
ZstE420 |
HSLAS A+B Gr.60 |
1) In consultation galvanised steel in uncoated standard SEW093 or SEW094. 2) Not in EN 10292 |
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Mechanical Properties |
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MagiZinc coated high-strength qualities have the following mechanical properties (skin-passed) - these are measured transverse to the rolling direction:
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Rp0.2 |
Rm |
A80 |
r90 |
n90 |
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Min-Max |
Min-Max |
Min. |
Min. |
Min. |
| Grade |
N/mm² |
N/mm² |
% |
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| HX220LAD+ZMA 1) |
220-300 |
320-400 |
29 |
- |
- |
| HX260LAD+ZMA |
260-330 |
350-430 |
26 |
- |
- |
| HX300LAD+ZMA |
300-380 |
380-480 |
23 |
- |
- |
| HX340LAD+ZMA |
340-420 |
410-510 |
21 |
- |
- |
| HX380LAD+ZMA |
380-480 |
440-560 |
19 |
- |
- |
| HX420LAD+ZMA |
420-520 |
470-590 |
17 |
- |
- |
1) Not in EN 10292 Remark: If the yield point is pronounced, the values apply to the lower yield point ReL |
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Chemical Composition |
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Tata Steel Strip Products IJmuiden supplies the following heat analysis with values in weight percentages:
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C |
Mn |
Si |
Al |
P |
S |
Ti |
Nb |
| Grade |
Max. |
Max. |
Max. |
Min. |
Max. |
Max. |
Max. |
Max. |
| HX220LAD+ZMA 1) |
0.08 |
0.600 |
0.500 |
0.015 |
0.025 |
0.025 |
- |
- |
| HX260LAD+ZMA |
0.12 |
0.600 |
0.500 |
0.015 |
0.030 |
0.025 |
0.120 |
0.090 |
| HX300LAD+ZMA |
0.11 |
1.000 |
0.500 |
0.015 |
0.030 |
0.025 |
0.150 |
0.090 |
| HX340LAD+ZMA |
0.11 |
1.000 |
0.500 |
0.015 |
0.030 |
0.025 |
0.150 |
0.090 |
| HX380LAD+ZMA |
0.11 |
1.400 |
0.500 |
0.015 |
0.030 |
0.025 |
0.150 |
0.090 |
| HX420LAD+ZMA |
0.11 |
1.400 |
0.500 |
0.015 |
0.030 |
0.025 |
0.150 |
0.090 |
1) Not in EN 10292 |
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Dimensions |
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MagiZinc coated high-strength grades are available in the following dimensions in mm:
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Maximum Width |
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| Thickness |
HX220LAD |
HX300LAD |
HX340LAD |
HX380LAD |
HX420LAD |
| from-up to |
HX260LAD |
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| 0.40 - 0.45 |
1520 |
1270 |
- |
- |
- |
| 0.45 - 0.50 |
1520 |
1370 |
- |
- |
- |
| 0.50 - 0.55 |
1520 |
1520 |
- |
- |
- |
| 0.55 - 0.60 |
1550 |
1520 |
- |
- |
- |
| 0.60 - 0.65 |
1550 |
1520 |
1520 |
1420 |
- |
| 0.65 - 0.70 |
1550 |
1550 |
1520 |
1420 |
- |
| 0.70 - 0.75 |
1550 |
1550 |
1520 |
1520 |
1420 |
| 0.75 - 1.10 |
1550 |
1550 |
1520 |
1520 |
1520 |
| 1.10 - 1.20 |
1550 |
1550 |
1520 |
1520 |
1520 |
| 1.20 - 1.60 |
1550 |
1550 |
1520 |
1520 |
1520 |
| 1.60 - 1.70 |
1550 |
1400 |
1520 |
1150 |
1040 |
| 1.70 - 1.80 |
1550 |
1400 |
1520 |
1250 |
1140 |
| 1.80 - 2.00 |
1550 |
1550 |
1430 |
1320 |
1220 |
Thickness range 2.00 - 2.50 mm is available on request. |
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