Galvanized steel coils are dipped in a bath of dissolved zinc to attach a layer of zinc to the surface. The commonly used specifications of Z80 roofing galvanized coils are 0.12mm-3mm, and the galvanized coils range from Z60, Z80, and Z275g/m2.
| Z80 coating properties | ||||
| Type of coating | Density d/(g/cm3) | Coating form | Recommended Nominal Coating Weight/(g/m2) | |
| type | code name | |||
| Pure zinc coating | Z | 7.1 | Equal thickness plating | 80 |
| Coating Surface Structure | code name | feature | ||
| Ordinary spangle | N | The zinc flower structure visible to the naked eye obtained by solidification of the zinc layer under natural conditions. | ||
| Small spangle | M | Visible fine spangle structure obtained by special control method. | ||
| Zinc free | F | The fine spangle structure invisible to the naked eye obtained by a special control method. | ||
| Typical Application | ||||
Pure zinc coating (Z) is one of the most commonly used coating types in manufacturing and construction. It is suitable for a range of applications where steel requires a coating that sacrifices protection to prolong the life of the article or structure. Typical applications include:
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| Chemical properties of galvanized steel coil | |||||||||
| Steel Properties | GB/T 2518-2019 | C | Si | Mn | P | S | Ti | Nb | Alt |
| Low-carbon steel | DX51D+Z | ≤0.18 | ≤0.50 | ≤1.20 | ≤0.12 | ≤0.045 | ≤0.30 | ||
| DX52D+Z | ≤0.12 | ≤0.60 | ≤0.10 | ||||||
| structural steel | S220GD+Z | ≤0.20 | ≤0.60 | ≤1.70 | ≤0.10 | ≤0.045 | |||
| S250GD+Z | |||||||||
| S280GD+Z | |||||||||
| S300GD+Z | |||||||||
| S320GD+Z | |||||||||
| S350GD+Z | |||||||||
| S390GD+Z | |||||||||
| S420GD+Z | |||||||||
| S450GD+Z | |||||||||
| S550GD+Z | |||||||||
| Low-alloy steel | HX260LAD+Z | ≤0.11 | ≤0.50 | ≤1.00 | ≤0.030 | ≤0.025 | ≤0.15 | ≤0.09 | ≥0.015 |
| HX300LAD+Z | ≤0.12 | ≤0.50 | ≤1.40 | ≤0.030 | ≤0.025 | ≤0.15 | ≤0.09 | ≥0.015 | |
| HX340LAD+Z | ≤0.12 | ≤0.50 | ≤1.40 | ≤0.030 | ≤0.025 | ≤0.15 | ≤0.10 | ≥0.015 | |
| HX380LAD+Z | ≤0.12 | ≤0.50 | ≤1.50 | ≤0.030 | ≤0.025 | ≤0.15 | ≤0.10 | ≥0.015 | |
| HX420LAD+Z | ≤0.12 | ≤0.50 | ≤1.60 | ≤0.030 | ≤0.025 | ≤0.15 | ≤0.10 | ≥0.015 | |
| HX460LAD+Z | ≤0.15 | ≤0.50 | ≤1.70 | ≤0.030 | ≤0.025 | ≤0.15 | ≤0.10 | ≥0.015 | |
| HX500LAD+Z | ≤0.15 | ≤0.50 | ≤1.7 | ≤0.030 | ≤0.025 | ≤0.15 | ≤0.10 | ≥0.015 | |
| HD550LAD+Z | ≤0.15 | ≤0.50 | ≤1.7 | ≤0.030 | ≤0.025 | ≤0.15 | ≤0.10 | ≥0.015 | |
| Chemical properties of Z80 roofing galvanized steel coil | |||||||||||
| Steel Properties | GB/T 2518-2019 | C | Si | Mn | P | S | Cr+Mo | Nb+Ti | V | B | Alt |
| Duplex steel | HC260/450DPD+Z | ≤0.14 | ≤0.75 | ≤2.00 | ≤0.080 | ≤0.015 | ≤1.00 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~1.0 |
| HC290/490DPD+Z | ≤0.14 | ≤0.75 | ≤2.00 | ≤0.080 | ≤0.015 | ≤1.00 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~1.0 | |
| HC330/590DPD+Z | ≤0.15 | ≤0.75 | ≤2.50 | ≤0.040 | ≤0.015 | ≤1.40 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~1.5 | |
| HC440/780DPD+Z | ≤0.18 | ≤0.80 | ≤2.50 | ≤0.080 | ≤0.015 | ≤1.40 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~2.0 | |
| HC500/780DPD+Z | ≤0.18 | ≤0.80 | ≤2.50 | ≤0.080 | ≤0.015 | ≤1.40 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~2.0 | |
| HC590/980DPD+Z | ≤0.20 | ≤1.00 | ≤2.90 | ≤0.080 | ≤0.015 | ≤1.40 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~2.0 | |
| HC700/980DPD+Z | ≤0.23 | ≤1.00 | ≤2.90 | ≤0.080 | ≤0.015 | ≤1.40 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~2.0 | |
| HC740/1180DPD+Z | ≤0.23 | ≤1.00 | ≤2.90 | ≤0.050 | ≤0.010 | ≤1.00 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~1.0 | |
| HC820/1180DPD+Z | ≤0.23 | ≤1.00 | ≤2.90 | ≤0.050 | ≤0.010 | ≤1.00 | ≤0.15 | ≤0.20 | ≤0.005 | 0.015~1.0 | |
Product Name | Z80 Roofing Galvanized Steel Coil |
| Type | Hot-dip Galvanized Steel Coil, Electro-galvanized Steel Coil |
| Thickness | 0.12-6.0mm |
| Width | 600-1250mm or as per client requirment |
| Coil Id | 508mm/610mm |
| Coil weight | 3-5mt |
| Super structure | No spangle, Regular spangle, Small spangl, Big spangle |
| Surface treatment | chromated and oiled,chromated and non-oiled |
| Standard | GB/T 2518-2019, EN 10346:2015, JIS G 3302:2012, ASTM A653M-17 |
| Packaging | Standard packing for sea, air or rail transport |
| Delivery | 10-15 working days after the receipt of 30% deposit |
| Regular Order | 25 tons or one container,for less quantity,to contact with us for details |
| Export market | Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc |
| *If you do not find what you are
looking for, please call us now. If you have found it, we are happy to
answer any questions or concerns you may have about stainless steel
grades and assist you through the purchasing process. | |
◆ FAQ:
Q:Can you send samples?
A:Sample can be for free,freight cost collect.
Q:What product information do I need to provide?
A:Steel grade/thickness/width/quantity,these will decide the price.
Q:About product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
Q:What are the certifications for your products?
A:We have ISO 9001,CE,SGS,BV and other certifications.
Q:How about the delivery time?
A:Regularly the delivery time around 10-15 days,customized one will inform the delivery time ahead.
Q:Does the product have quality inspection before loading?
A:All the products are strictly tested before packaging,also can inspect by third party inspection.
Q:How to pack the products?
A:Standard export package with waterproof film and wooden pallet.It can effectively protect products from corrosion.
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