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Galvanized coil is a thin steel sheet that is immersed in a molten zinc bath to make a layer of zinc adhere to its surface. It is mainly produced by continuous galvanizing process.
It is made by hot dip method, but it is heated to about 500°C immediately after it comes out of the tank, so that it can form an alloy film of zinc and iron. This galvanized coil has good paint adhesion and weldability.| Standard | ASTM, AISI, DIN, GB, EN, JIS etc |
| Grade | SGCC, DC51D, DX51D, DX52D, SGCD, SGHC, DX54D, S350GD, S450GD, S550GD etc |
| Thickness | 0.12mm-4.0mm or as request |
| Width | 600mm, 760mm, 910mm, 1000mm, 1200mm, 1219mm, 1250mm, 1500mm |
| Zinc Coating | Z40-Z275g/m2, or as required |
| Spangle | Big,regular,mini or zero spangle |
| Hardness | Soft or hardness, as clients required |
| Packing | Waterproof paper+plastic film+iron packing+bundling or as per customers request |
| Application | Ceiling channel,industrial refrigeration,cold storage,sandwich panel,PU panel,writing board,PCM steel plate |
| Delivery time | In 15-30 days after receipt advance or LC |
| Payment | T/T or L/C at sight |
| Min order | 25 Mt (one 20ft FCL) |
| GALVANIZED STEEL COIL STOCK LIST | ||||
| DATE:2023.04.12 | ||||
| PRODUCT | COLOR | SIZE | WEIGHT | WAREHOUSE |
| GI | Zinc coating 60-100 | 0.15*1250*C | 6.65 | Tianjin |
| GI | 0.15*1250*C | 6.22 | Tianjin | |
| GI | 0.2*1250*C | 6.05 | Tianjin | |
| GI | 0.2*1250*C | 6.05 | Tianjin | |
| GI | 0.25*1250*C | 6.25 | Tianjin | |
| GI | 0.25*1250*C | 5.65 | Tianjin | |
| GI | 0.28*1250*C | 5.12 | Tianjin | |
| GI | 0.28*1250*C | 5.24 | Tianjin | |
| GI | 0.28*1250*C | 5.33 | Tianjin | |
| GI | 0.3*1250*C | 5.63 | Tianjin | |
| GI | 0.3*1250*C | 6.32 | Tianjin | |
| GI | 0.3*1250*C | 4.56 | Tianjin | |
| GI | 0.45*1250*C | 6.32 | Tianjin | |
| GI | 0.45*1250*C | 4.21 | Tianjin | |
| GI | 0.45*1250*C | 5.68 | Tianjin | |
| GI | 0.45*1250*C | 5.09 | Tianjin | |
| GI | 0.5*1250*C | 5.56 | Tianjin | |
| GI | 0.5*1250*C | 5.63 | Tianjin | |
| GI | 0.5*1250*C | 5.11 | Tianjin | |
| GI | 0.5*1250*C | 5.98 | Tianjin | |
| GI | 0.5*1250*C | 5.86 | Tianjin | |
| 0.5*1250*C | ||||
Why is galvanized anti-rust?
Zinc has anti-rust and anti-corrosion effects, and galvanized steel can prevent rust. Galvanized steel includes galvanized sheets, galvanized pipes, etc., which are made of low-carbon steel plates and pipes. Low-carbon steel is an iron-carbon alloy, which is easy to rust. The surface is coated with a thin layer of zinc. Zinc is a non-ferrous metal. It has good anti-rust and anti-corrosion properties, which can isolate carbon steel from air, zinc does not contain iron, and galvanized carbon steel does not undergo oxidation reaction and will not rust.
What is galvanized steel coil used for?
Galvanized steel coil and sheet products are now being used for a wide range of electric appliances, automobiles and other industrial machinery as well as for civil engineering and architectural purposes.
Is galvanized steel spark resistant?
Yes, hot-dip galvanized coatings are anti-sparking and non-incendiary as are most zinc coatings.
Why can't you heat galvanized steel?
High temperatures above 480 F (250 C) will accelerate peeling and continued exposure can result in the zinc-iron alloy layers cracking and separating from the steel. Temperature applications of hot-dip galvanized steel above 480 F (250 C) are not recommended.
Does fire damage galvanized steel?
Temperatures in fires can easily exceed 1,000 F. There is a potential for coating damage but many have found fire damage to minimal on galvanized steel. Often a layer of carbon dust coats the galvanized surface and under this layer the coating is intact.
| Metal type | Grade | CHEMICAL COMPOSITION % | |||
| C | Si | Mn | P | ||
| cold rolled steel sheet | DC51D+Z (St01Z, St02Z, St03Z) , DC51D+ZF | ≤0.10 | - | ≤0.50 | ≤0.035 |
| DC52D+Z (St04Z), DC52D+ZF | ≤0.08 | - | ≤0.45 | ≤0.030 | |
| DC53D+Z (St05Z), DC53D+ZF | ≤0.08 | - | ≤0.40 | ≤0.030 | |
| DC54D+Z (St06Z), DC54D+ZF | ≤0.01 | ≤0.10 | ≤0.30 | ≤0.025 | |
| DC56D+Z (St07Z), DC56D+ZF | ≤0.01 | ≤0.10 | ≤0.30 | ≤0.025 | |
| hot rolled steel sheet | DD51D+Z (St01ZR, St02ZR) | ≤0.10 | - | ≤0.50 | ≤0.035 |
| DD54D+Z (St06ZR) | ≤0.01 | ≤0.10 | ≤0.30 | ≤0.025 | |
Galvanized Coil is very versatile,such as fire building engineering,power construction project,machine made, automobile industry and etc.
1.Packing :3 layers of packaging, kraft paper inside, water plastic film in the middle, the outermost GI steel plate tied with steel belt or as required.
Jinan Zunkai Group founded in 2002, with five branch companies and is well-funded. Our annual sales nearly one billion, about 300,000 tons steel. Our company is located in Jinan City, Shandong Province. We entered into a strategic partnership with Bao Steel, Laiwu Steel, Rizhao Steel, Handan Steel, Anyang Steel, Maanshan Steel and other domestic large steel companies. Zunkai is the largest steel agent in Shandong Province, we also have ourselves steel process factory with 100000 Square meter for steel laser cutting,surface treatment and other further processing , and our stock always more than 20,000tons.Zunkai Group mainly engaged in : PPGI ,galvanized steel , steel plate , round bar, steel pipe ,Stainless steel product ,angle bar, steel pile ,H beam ,l beam, angle, Channel flat steel and etc . Our good quality and reliable service will be your best trusted partner.Sincerely wish to building long and regular business with you forever!!!
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