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Galvanizing is a process of coating iron or steel with zinc in order to provide greater protection against corrosion for the iron or steel base. The process of galvanizing sheet iron was developed simultaneously in France and England in 1837. Both of these methods employed a "hot dipping" process to coat sheet iron with zinc. Like tinplate, early galvanized metals were hand dipped.
Hot-dip Galvanizing:* The immersion of iron or steel in molten zinc, after the surface of the base metal has been properly cleaned.
* During the process, a multiple layered structure of iron- or steel-zinc alloys is formed between the inner surface of the zinc coating and the iron or steel. These middle layers tend to be hard and brittle and may peel or flake if the iron or steel element is bent.
* The immersion of iron or steel in an electrolyte, a solution of zinc sulfate or cyanide. Electrolytic action deposits a coating of pure zinc on the surface of the iron or steel.
Product Name | Prepainted galvanized/galvalume Steel Coil |
Thickness | 0.12mm to 1.5mm(±0.02mm) |
Width | 30mm to 1250mm(±2mm) |
Zinc Coating | Primer: 5-7 microns Top: 10-25 microns Back: 5-25 microns or as request |
Coil Weight | Normally 3- 5 tons, or as your request |
Hardness | Softy, half hard and full hard quality |
Paint Coating | PE,PVC,PVF,PVDF ect |
Coating Layer | 2/1,2/2,3/3 painting & drying |
Glossy | high glossy,normal glossy,lower glossy |
Color | As Ral color or as sample |
Standard | ISO,JIS,ASTM,AS EN |
Grade | Q195 Q235 Q345 SGCC SGCH SGC340 SGC400 SGC440 SGC490 SGC570 SGHC SGH340 SGH400 SGH440 SGH490 SGH540 DX51D DX52D DX53D DX54D DX55D DX56D DX57D S220GD S250GD S280GD S320GD S350GD S400GD S500GD S550GD SS230 SS250 SS275 SS340 SS550 |
Payment | 30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy |
Shandong Gangpu Metal Co., Ltd. Is located in Jinan, the capital city of Shandong province. Our Company main businesses are :stainless steel plate,coil,pipe,carbon steel, galvanized steel etc. We own our own steel factory which mainly produces seamless pipe, spiral pipe., square and rectangular tube, galvanized pipe and so on. In addition, GangPu also have deeply cooperation with Jinan Steel, Laiwu Steel, Handan Steel, Anyang Steel and Maanshan Steel etc.
Our company always focuses on the integration of resources, also with the concept of win-win cooperation. We look forward to be your reliable and quality partner! Respecting customers, providing overestimated products and service is our service concept
1.Stand on the customers' position to design and Sell items.
2.The customer relationship management (CRM)strengthen the service in pre-sales, in-sale and after-sale, help customers solving any questions during using our products, to make customers feel more benefit.
3. Paying high attention to customers suggestion and opinion, According to your finial application of stainless steel,we could advice you the grade and thickness.
4. Laser cutting as your CAD drawing.
Q1: What's your payment terms?Q2: what is the terms of delivery?
Q3: Can you accept customize?
Q4: How about the MOQ? If my first order qty is small, will you accept?
Q5. How to ensure the quality?
Q6: How can I get your quotation as soon as possible?
