EN 10346 Grade S250GD hit dip zinc coated (+Z)
EN 10346 Grade S250GD hit dip zinc coated (+Z) introduction
ArcelorMittal's hot dip galvanised steel consists of a steel substrate with a metallic zinc coating applied by means of a continuous hot dip galvanising process. Metallic zinc coatings are available in steel grades ranging from steel for bending and deep drawing applications, to structural steels and high yield strength steels.
A glossy surface finish obtained under specific skin-pass conditions (either non-skin-passed or skin-passed with smooth cylinders to obtain low roughness) can be provided if required at time of enquiry.
This Hot dip galvanised product offer excellent corrosion resistance combined with very good forming properties. The coating process can apply very thick zinc layers, up to 725 g/m² (total of both sides).
Equivalent material: BS Z25 G, ASTM A653 SS Grade 230, EN FeE250 G, DIN StE 250-2Z, AFNOR C250
EN 10346 Grade S250GD hit dip zinc coated (+Z) chemical
| Property |
Value |
Comment |
| Carbon |
Carbon of 0.2 % |
max. |
| Manganese |
Manganese of 1.7 % |
max. |
| Phosphorus |
Phosphorus of 0.1 % |
max. |
| Silicon |
Silicon of 0.6 % |
max. |
| Sulfur |
Sulfur of 0.045 % |
max. |
EN 10346 Grade S250GD hit dip zinc coated (+Z) electrical
| Property |
- |
- |
| Application areas |
| Chemical composition |
| Coating |
Designation EN 10346 |
Coating weight - double sided (g/m²) |
Coating thickness (µm per side) |
| Z100 |
100 |
7.0 |
| Z140 |
140 |
10.0 |
| Z200 |
200 |
14.0 |
| Z225 |
225 |
16.0 |
| Z275 |
275 |
20.0 |
| Z350 |
350 |
25.0 |
| Z450 |
450 |
31.0 |
| Z600 |
600 |
42.0 |
| Not included in the standard |
| Z80 |
80 |
5.5 |
| Z725 |
725 |
51.0 |
|
EN 10346 Grade S250GD hit dip zinc coated (+Z) mechanical
| Property |
Value |
Comment |
| Elongation |
Elongation of 12 % |
min. | for thickness 0.2-0.35 mm | A80 |
| - |
Elongation of 15 % |
min. | for thickness 0.35-0.5 mm | A80 |
| - |
Elongation of 17 % |
min. | for thickness 0.5-0.7 mm | A80 |
| - |
Elongation of 19 % |
min. | for thickness 0.7-6 mm | A80 |
| Tensile strength |
Tensile strength of 330 MPa |
min. | for thickness 0.25-6 mm |
| Yield strength |
Yield strength of 250 MPa |
min. | for thickness 0.25-6 mm |
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