| Mechanical properties and hardness requirements | |||||
|---|---|---|---|---|---|
| Yield strength | Tensile strength | Elongation | |||
| Classification of symbols | Numerical classification | European Standard (EN) | ReL Mpa | Rm MPa | A80 1) % min. |
| DX51D | 1.0226 | EN 10346 | – | 270 – 500 | 22 |
| DX52D | 1.0350 | EN 10346 | 140 – 300 | 270 – 420 | 26 |
| DX53D | 1.0355 | EN 10346 | 140 – 260 | 270 – 380 | 30 |
| DX54D | 1.0306 | EN 10346 | 120 – 220 | 260 – 350 | 36 |
| DX56D | 1.0322 | EN 10346 | 120 – 180 | 260 – 350 | 39 |
1) The minimum elongation values are decreased by 4 units for thicknesses t ≤ 0.50 mm and 2 units for thicknesses between 0.50 mm < t ≤ 0.70 mm.
| Mechanical properties and hardness requirements | |||||
|---|---|---|---|---|---|
| Classification of symbols | Numerical classification | European Standard (EN) | Conventional limit at Rp0.2‚ MPa | Tensile strength Rm Mpa | Elongation A802), min. |
| HX300LAD | 1.0932 | EN 10346 | 300 – 380 | 380 – 480 | 23 |
| HX420LAD | 1.0935 | EN 10346 | 420 – 520 | 470 – 590 | 17 |
| Chemical Composition | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Classification of symbols | Numerical classification | European Standard (EN) | Types of coatings available | Max. C | Max. Si | Max Mn | Max. P | Max. S | Max. Ti | Total Al. | Max. Nb |
| DX51D | 1.0226 | EN 10346 | +Z +ZA +AZ | 0.18 | 0.50 | 1.20 | 0.12 | 0.045 | 0.30 | – | – |
| DX52D | 1.0350 | EN 10346 | +Z +ZA +AZ | 0.12 | 0.50 | 0.60 | 0.10 | 0.045 | 0.30 | – | – |
| DX53D | 1.0355 | EN 10346 | +Z +ZA +AZ | 0.12 | 0.50 | 0.60 | 0.10 | 0.045 | 0.30 | ||
| DX54D | 1.0306 | EN 10346 | +Z +ZA +AZ | 0.12 | 0.50 | 0.60 | 0.10 | 0.045 | 0.30 | – | – |
| DX56D | 1.0322 | EN 10346 | +Z +ZA +AZ | 0.12 | 0.50 | 0.60 | 0.10 | 0.045 | 0.30 | – | – |
| HX300LAD | 1.0932 | EN 10346 | +Z +ZA +AZ | 0.12 | 0.50 | 1.40 | 0.030 | 0.025 | 0.15 | ≥ 0.015 | 0.09 |
| HX420LAD | 1.0935 | EN 10346 | +Z +ZA +AZ | 0.12 | 0.50 | 1.60 | 0.030 | 0.025 | 0.15 | ≥ 0.015 | 0.09 |
| Type of coating | Description |
|---|---|
| +Z | Galvanised Products (Zinc) |
| +ZA | Products coated with zinc-aluminium alloy |
| +AZ | Products coated with aluminium-zinc alloy |
Note: We can supply strips with +ZF (zinc-iron) and +AS (aluminium-silicon) coatings.
| DX51D | DX53D, DX54D, DX56D | HX300LAD | HX420LAD | |||||
|---|---|---|---|---|---|---|---|---|
| Nominal thickness t | Normal tolerances for nominal width w | Close tolerances (S) for a nominal width w | Normal tolerances for nominal width w | Close tolerances (S) for a nominal width w | Normal tolerances for nominal width w | Close tolerances (S) for a nominal width w | Normal tolerances for nominal width w | Close tolerances (S) for a nominal width w |
| 1200 < w ≤ 1500 | 1200 < w ≤ 1500 | 1200 < w ≤ 1500 | 1200 < w ≤ 1500 | 1200 < w ≤ 1500 | 1200 < w ≤ 1500 | 1200 < w ≤ 1500 | 1200 < w ≤ 1500 | |
| 0,20 < t ≤ 0,35 | ± 0,06 | ± 0,04 | ± 0,05 | ± 0,035 | – | – | – | – |
| 0,35 < t ≤ 0,40 | ± 0,06 | ± 0,04 | ± 0,05 | ± 0,035 | ± 0,06 | ± 0,045 | ± 0,07 | ± 0,050 |
| 0,40 < t ≤ 0,60 | ± 0,06 | ± 0,045 | ± 0,05 | ± 0,040 | ± 0,07 | ± 0,050 | ± 0,08 | ± 0,060 |
| 0,60 < t ≤ 0,80 | ± 0,07 | ± 0,05 | ± 0,06 | ± 0,045 | ± 0,08 | ± 0,060 | ± 0,09 | ± 0,070 |
| 0,80 < t ≤ 1,00 | ± 0,08 | ± 0,06 | ± 0,07 | ± 0,050 | ± 0,09 | ± 0,070 | ± 0,11 | ± 0,080 |
| 1,00 < t ≤ 1,20 | ± 0,09 | ± 0,07 | ± 0,08 | ± 0,060 | ± 0,11 | ± 0,080 | ± 0,13 | ± 0,090 |
| 1,20 < t ≤ 1,60 | ± 0,13 | ± 0,08 | ± 0,11 | ± 0,070 | ± 0,14 | ± 0,090 | ± 0,16 | ± 0,110 |
| 1,60 < t ≤ 2,00 | ± 0,15 | ± 0,09 | ± 0,13 | ± 0,080 | ± 0,17 | ± 0,110 | ± 0,19 | ± 0,120 |
| 2,00 < t ≤ 2,50 | ± 0,17 | ± 0,12 | ± 0,15 | ± 0,100 | ± 0,20 | ± 0,130 | ± 0,22 | ± 0,150 |
| 2,50 < t ≤ 3,00 | ± 0,20 | ± 0,14 | ± 0,17 | ± 0,120 | ± 0,22 | ± 0,150 | ± 0,25 | ± 0,180 |
| 3,00 < t ≤ 5,00 | ± 0,24 | ± 0,18 | ± 0,20 | ± 0,16 | ± 0,24 | ± 0,18 | ± 0,27 | ± 0,24 |
| 5,00 < t ≤ 6,50 | ± 0,25 | ± 0,20 | ± 0,22 | ± 0,18 | ± 0,25 | ± 0,20 | ± 0,29 | ± 0,26 |
Measurements in mm.
| Standard slitting tolerances for VINCO 1) | Width tolerances according to EN 10143 for nominal widths of: | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Tolerance class | Nominal thickness t | 3-15 | 15-50 | 50-150 | >150 | w < 125 | 125 ≤ w < 250 | 250 ≤ w < 400 | 400 ≤ w < 600 |
| Normal | t < 0,6 | – | – | – | – | 0;+0,4 | 0;+0,5 | 0;+0,7 | 0;+1,0 |
| 0,6 ≤ t < 1,0 | – | – | – | – | 0;+0,5 | 0;+0,6 | 0;+0,9 | 0;+1,2 | |
| 1,0 ≤ t < 2,0 | – | – | – | – | 0;+0,6 | 0;+0,8 | 0;+1,1 | 0;+1,4 | |
| 2,0 ≤ t ≤ 3,0 | – | – | – | – | 0;+0,7 | 0;+1,0 | 0;+1,3 | 0;+1,6 | |
| 3,0 < t ≤ 5,0 | – | – | – | – | 0;+0,8 | 0;+1,1 | 0;+1,4 | 0;+1,7 | |
| 5,0 < t ≤ 6,5 | – | – | – | – | 0;+0,9 | 0;+1,2 | 0;+1,5 | 0;+1,8 | |
| Close (S) | 0,20 ≤ t < 0,40 | 0;+0,15 | 0;+0,15 | 0;+0,15 | 0;+0,2 | 0;+0,2 | 0;+0,2 | 0;+0,3 | 0;+0,5 |
| 0,40 ≤ t < 0,60 | 0;+0,17 | 0;+0,18 | 0;+0,20 | 0;+0,24 | 0;+0,2 | 0;+0,2 | 0;+0,3 | 0;+0,5 | |
| 0,60 ≤ t < 1,00 | 0;+0,17 | 0;+0,18 | 0;+0,20 | 0;+0,24 | 0;+0,2 | 0;+0,3 | 0;+0,4 | 0;+0,6 | |
| 1,00 ≤ t < 1,50 | 0;+0,20 | 0;+0,20 | 0;+0,20 | 0;+0,3 | 0;+0,3 | 0;+0,4 | 0;+0,5 | 0;+0,7 | |
| 1,50 ≤ t < 2,00 | on request | 0;+0,26 | 0;+0,30 | 0;+0,32 | 0;+0,3 | 0;+0,4 | 0;+0,5 | 0;+0,7 | |
| 2,00 ≤ t < 2,50 | on request | 0;+0,26 | 0;+0,30 | 0;+0,32 | 0;+0,4 | 0;+0,5 | 0;+0,6 | 0;+0,8 | |
| 2,50 ≤ t ≤ 3,00 | on request | on request | 0;+0,32 | 0;+0,35 | 0;+0,4 | 0;+0,5 | 0;+0,6 | 0;+0,8 | |
| 3,00 < t ≤ 5,00 | on request | on request | 0;+0,32 | 0;+0,35 | 0;+0,5 | 0;+0,6 | 0;+0,7 | 0;+0,9 | |
| 5,0 < t ≤ 6,5 | – | – | – | – | 0;+0,6 | 0;+0,7 | 0;+0,8 | 0;+1,0 | |
Measurements in mm.
1)Other, closer dimensional tolerances under a commercial agreement.
| Nominal width (W) | Edge curve tolerances under commercial agreement | |
|---|---|---|
| Maximum deviation 2000 mm Thickness (t) |
||
| t ≤ 1.20 mm | t > 1.20 mm | |
| 3 ≤ W < 6 | 10.00 | 15.00 |
| 6 < W ≤ 10 | 8.00 | 12.00 |
| 10 < W ≤ 20 | 4.00 | 6.00 |
| 20 < W ≤ 350 | 2.00 | 4.00 |
GALVANISED STEEL according to EN 10346:2015
| Designation of the coating | Total minimum coating density, both surfaces g/m2 | Theoretical reference values for the surface coating thickness in the one-point test (µm) | Density g/cm3 | ||
|---|---|---|---|---|---|
| Three-point test | One-point test | Normal value | Range | ||
| Z100 | 100 | 85 | 7 | 5-12 | 7.1 |
| Z140 | 140 | 120 | 10 | 7-15 | 7.1 |
| Z275 | 275 | 235 | 20 | 13-27 | 7.1 |
| Z450 | 450 | 385 | 32 | 22-42 | 7,1 |
| ZA095 | 95 | 80 | 7 | 5-12 | 6,6 |
| ZA185 | 185 | 155 | 14 | 10-20 | 6,6 |
| AZ100 | 100 | 85 | 13 | 9-19 | 3.8 |
| AZ150h | 150 | 130 | 20 | 15-27 | 3.8 |
| Product | Type | Description |
|---|---|---|
| Galvanised products (Z) | Normal spangle (N) | This finish is the result of the natural solidification of the zinc coating. Depending on the conditions under which galvanising occurs, spangle may not be obtained or zinc crystals of a different size and spangle may be obtained. This does not affect the quality of the coating. If you want a pronounced spangle, this must be explicitly stated when requesting the quote and placing the order. |
| Minimum spangle (M) | This finish is obtained by adequately controlling the solidification process. The spangle on the surface will be reduced, sometimes invisible to the naked eye. You can request this finish if normal spangle (N) does not meet the surface appearance requirements. | |
| Spangle-Free (SF) | We are able to supply spangle-free, which is not subject to any standards | |
| Products coated with zinc-aluminium (ZA) | The finish of this coating has a metallic sheen which is the result of the free growth of zinc-aluminium crystals during normal solidification. Crystals of different sizes and with different spangles may appear, depending on the manufacturing conditions. This does not affect the clarity of the coating. | |
| Products coated with aluminium-zinc (AZ) alloy | The products must be supplied with normal spangle. Normal spangle is a surface finish, it has a metallic sheen which is the result of the free growth of aluminium-zinc crystals during normal solidification. | |
| Quality | Description |
|---|---|
| Normal finish (A): | Imperfections such as a grainy surface, marks, grooves, pitting, variations in the surface appearance, dark spots, scratch marks and small passivation defects are allowed. Defects may appear due to tension gradient or local excess thickness. Ribbing may also appear on the coils and yield lines. |
| Improved finish (B): | The B surface quality is obtained through skin passing. For this surface finish, small imperfections such as defects due to tension gradient, skin-pass marks, light scratches, surface structure defects, excess thickness and small passivation defects may be allowed. NOTE: for special applications, subject to an agreement when requesting the quote and placing the order, cold-dipped aluminium-silicon coated products (AS) can be supplied with a bright appearance. The surface is type “B” in this case. |
| Superior quality (C ): | The C surface quality is obtained through skin passing. The controlled surface should make it possible to apply a high-quality paint finish. The other surface must have the surface properties of a B quality finish at a minimum. |
| Roughness | When requesting the quote and placing the order, a surface roughness range (Ra values) must be agreed and verified. This is not applicable to the skin-pass condition (surface quality A). |
| Finish | Description |
|---|---|
| Chemical passivation (C) | Chemical passivation protects the surface against humidity and reduces the risk of corrosion products forming during storage and transportation. The local variations in colour resulting from this treatment are permitted and do not affect the quality. |
| Oiled (O) | This treatment also reduces the risk of corrosion products forming. It should be possible to remove the layer of oil with suitable degreasing solvents which do not have an adverse effect on the coating. |
| Chemical passivation and oiled (CO) | An agreement can be signed to combine these surface treatments if it is necessary to increase the protection against the risk of corrosion products forming. |
| Phosphated (P) | This treatment improves the adhesion and protective effect of the coating applied by the process manager. It also reduces the risk of corrosion during transportation and storage. |
| Phosphated and oiled (PO) | The combination of phosphating and oiling (PO) can improve formability |
| Sealed (S) | Subject to an agreement, the application of a transparent organic film coating, on one or both sides, of approximately 1 g/m². This treatment offers additional protection against corrosion, depending on the type, and increased protection against fingerprint marks. It can improve sliding properties during forming processes and can be used as a primer for a subsequent painting process. The S-type coating must be agreed when requesting the quote and placing the order. |
| Untreated (U) |
If the customer does not require the surfaces to be oiled and/or chemically passivated, this must be clearly indicated when requesting the quote and placing the order.
| Approximate international equivalents | ||||||||
|---|---|---|---|---|---|---|---|---|
| Classification of symbols | Numerical classification | European Standard (EN) | US (AISI) | JAPAN (JIS) | CHINA (GB) | |||
| DX51D +Z | 1.0226 | EN 10346 | CS Types A, B, C | A653 | – | – | DX51D +Z | GB/T 2518 |
| DX52D +Z | 1.0350 | EN 10346 | ||||||
| DX53D +Z | 1.0355 | EN 10346 | ||||||
| DX54D +Z | 1.0306 | EN 10346 | ||||||
| DX56D +Z | 1.0322 | EN 10346 | ||||||
| HX300LAD +Z | 1.0932 | EN 10346 | ||||||
| HX420LAD +Z | 1.0935 | EN 10346 | ||||||
OUTSTANDING FEATURES AND PROPERTIES OF GALVANIZED STRIPS
Galvanized strips are characterized by a zinc-based coating that protects the steel against corrosion and makes them suitable for environments exposed to humidity. In addition to this, another characteristic of galvanized strip is a higher resistance to wear and tear compared to other uncoated steel strips. They are perfect for outdoor applications as they withstand adverse weather conditions and do not require complex maintenance thanks to their protective coating.
The wide range of galvanized strips that we offer in VINCO, are divided into two varieties that are governed under the EN 10346 Standard for hot-dipped continuous coated flat steel products:
Regarding the types of coatings, regardless of the type of steel of which the galvanized strip is composed, there are four types: +Z, which is composed of zinc; +ZA, composed of a zinc-aluminum alloy; +AZ, formed by an aluminum-zinc alloy. In addition to these coatings, VINCO offers you the possibility of requesting galvanized strips with +ZF zinc-iron and +AS aluminum-silicon coatings.
Mechanical properties and hardness requirements can be found in the mechanical characteristics section of the data sheet.
FINISHES AND TOLERANCES ON THICKNESS, WIDTH AND DEFLECTION
When determining the finish of galvanized strips, several parameters that affect the surface quality of the final product must be taken into account: the coating mass, the coating finish, the surface quality and the protective surface treatment. All these characteristics and specifications are governed by the EN 10346 Standard for continuous hot-dip galvanized low carbon steel strip for cold forming.
The coating finish for galvanized strips can be normal bloom (N), minimum bloom (M) or no bloom (SF). In the case of ZA coated products, the finish has a metallic luster due to the crystals produced by the zinc-aluminum alloy. However, AZ coated products are supplied with a normal surface type bloom finish.
Moreover, in addition to the finishes, it is important to take into account the surface quality of the material according to the imperfections: ordinary finish (A), improved finish (B) and superior quality (C). In addition to this, a range of roughness is defined at the time of ordering that does not apply to strapping with ordinary finish (A). You can find all the information related to each of them in the finishes section of the technical data sheet.
The protective surface treatment can be of several types, all of them aimed at improving the properties of galvanized strips by reducing the risk of corrosion: chemical passivation (C), oiling (O), chemical passivation and oiling (CO), phosphating (P), phosphating and oiling (PO), sealing (S).There is also the option to select untreated material (U) at the time of ordering.
Consult the measurements and dimensions for thickness, width and deflection tolerances in the corresponding section of the data sheet and choose the one that best suits your needs.
