EN 10346 Grade DX56D zinc-aluminium coated (+ZA)
EN 10346 Grade DX56D zinc-aluminium coated (+ZA) introduction
Galfan is a flat carbon steel product coated on both sides with a zinc-aluminium alloy. The coating is composed of 95% zinc and 5% aluminium and is applied by means of a continuous hot dip galvanising process.
Galfan is available in a very wide range of steel grades: steels for cold forming and deep drawing applications, structural steels and High Strength Low Alloy steels.
Because of the nature and the particular structure of its coating, galfan is characterised by very good ductility and excellent forming performance. It is therefore recommended for parts requiring severe deep drawing.
The presence of aluminium in the coating makes the corrosion resistance of galfan significantly higher than that of standard hot dip galvanised steel of equivalent thickness. Galfan offers improved edge corrosion resistance.
EN 10346 Grade DX56D zinc-aluminium coated (+ZA) chemical
| Property |
Value |
Comment |
| Carbon |
Carbon of 0.12 % |
max. |
| Manganese |
Manganese of 0.6 % |
max. |
| Phosphorus |
Phosphorus of 0.1 % |
max. |
| Silicon |
Silicon of 0.5 % |
max. |
| Sulfur |
Sulfur of 0.045 % |
max. |
| Titanium |
Titanium of 0.3 % |
max. |
EN 10346 Grade DX56D zinc-aluminium coated (+ZA) electrical
| Property |
- |
- |
| Application areas |
| Coating |
Galfan |
Coating weight - double sided (g/m²) |
Coating thickness (µm per side) |
| ZA95 |
95 |
7.0 |
| ZA130 |
130 |
10.0 |
| ZA185 |
185 |
14.0 |
| ZA200 |
200 |
15.0 |
| ZA255 |
255 |
20 |
| ZA300 |
300 |
23.0 |
EN 10346 Grade DX56D zinc-aluminium coated (+ZA) mechanical
| Property |
Value |
Comment |
| Elongation |
Elongation of 35 % |
min. | for thickness 0.3-0.5 mm | Transverse | A80 |
| - |
Elongation of 37 % |
min. | for thickness 0.5-0.7 mm | Transverse | A80 |
| - |
Elongation of 39 % |
min. | for thickness 0.7-3 mm | Transverse | A80 |
| Plastic strain ratio |
Plastic strain ratio of 1.5 [-] |
min. | 90ᵒ Transverse | for thickness 2-3 mm |
| - |
Plastic strain ratio of 1.7 [-] |
min. | 90ᵒ Transverse | for thickness 1.5-2 mm |
| - |
Plastic strain ratio of 1.9 [-] |
min. | 90ᵒ Transverse | for thickness 0.3-1.5 mm |
| Strain hardening exponent |
Strain hardening exponent of 0.21 [-] |
min. | 90ᵒ Transverse | for thickness 0.3-3 mm |
| Tensile strength |
Tensile strength of 260 - 350 MPa |
for thickness 0.3-3 mm | Transverse |
| Yield strength |
Yield strength of 120 - 180 MPa |
for thickness 0.3-3 mm | Transverse |
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