S220gd +Zm S250gd+Zm S280gd+Zm S550gd+Zm Hot DIP Zinc-Magnesium Coating European Standard Automobile Steel
Product Description
Application of a zinc-magnesium coating by immersing the prepared strip in a molten bath of zinc-aluminiummagnesium
Automotive steel is an essential component in the manufacturing of vehicles, and it requires high levels of durability and corrosion resistance to withstand harsh conditions. The hot dip zinc-magnesium coating (ZM) has emerged as a superior solution for protecting automotive steel from rusting and deterioration over time. S280gd+Zm and S550gd+Zm are two popular grades of ZM-coated automotive steel that offer excellent mechanical properties, including high strength, ductility, and formability. This type of coating offers three times more protection than traditional galvanized coatings, making it ideal for use in critical automobile components such as body panels, chassis parts, suspension systems, and engine components. With its exceptional performance characteristics, hot dip zinc-magnesium coating (ZM) has revolutionized the world of automotive steel by providing innovative solutions that enhance safety while reducing maintenance costs over the long term.
Solucky steel Limited is a third-party supply chain service enterprise focusing on materials for automobiles, high-end household appliances, as well as material processing and storage. Its headquarters and warehouse base are set up in Shanghai BaoShan, and has branches all over the country, 20+ subsidiary companies,including Foshan, Guangdong, Chongqing, Wuxi, etcz.
Chemical composition and Mechanical properties
| Steel grade | Symbols for the types of | Chemical composition | ||||
| % by mass | ||||||
| available coatings | max | |||||
| C | Si | Mn | P | S | ||
| s220GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| S250GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| s280GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| s320GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| s350GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| s390GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| s420GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| S450GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| s550GD | +ZM | 0,20 | 0,60 | 1,70 | 0,10 | 0.045 |
| Mechanical properties | ||||
| Steel grade | Symbols for the types of available coatings | Proof strength | Tensile strength | Elongation |
| MPa | MPa | % | ||
| min. | min. | min. | ||
| S220GD | +ZM | 220 | 300 | 20 |
| s250GD | +ZM | 250 | 330 | 19 |
| s280GD | +ZM | 280 | 36o | 18 |
| s320GD | +ZM | 320 | 390 | 17 |
| s350GD | +ZM | 350 | 420 | 16 |
| s390GD | +ZM | 390 | 460 | 16 |
| s420GD | +ZM | 420 | 480 | 15 |
| S450GD | +ZM | 450 | 510 | 14 |
| s550GD | +ZM | 550 | 560 | - |
Main Products
Product Application
Machines & Processing
Packing & Delivery & logistics
Why Choose Us
FAQ
1.Where is your factory?
Our head office and warehouse located in Shanghai--the biggest steel making center of China
2.How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.
3.What about the MOQ?
MOQ only 200KG,include coils and sheets
4. How long is your lead time?
In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
5.How's your product quality?
We only sell mid to high end steel materials,100% quality guarantee and cost-effective.
6.What are your terms of payment?
You can make the payment to our bank account,T/T, 30% deposit in advance, 70% balance against the copy of B/L.
7.How many countries you already exported to?
We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
8.What are the certifications for your products?
We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect.
Steel Coil & Strip
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