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The "S" in S220GD-ZA stands for structural steel, "220" represents its minimum yield strength of 220MPa, "GD" stands for regular hot-dip galvanizing, and "ZA" represents the zinc-aluminum coating.
In addition, the coating quality of S220GD-ZA sheet should meet the relevant requirements in the EN 10346 standard. Specifically, the zinc layer quality should reach the levels of Z100 to Z600, and the content of the aluminum-zinc alloy layer should be between about 5% and 11%.
In summary, EN 10346-S220GD-ZA is a high-quality hot-dip galvanized steel sheet widely used in the fields of construction, household appliances, and automobiles. Its excellent mechanical properties, corrosion resistance, and formability make it an ideal material for manufacturing various parts and structures.
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.
According to the EN 10346 standard, the chemical composition of S220GD-ZA should meet the following requirements:
| Chemical Composition | Weight Percentage |
|---|---|
| C | ≤0.10 |
| Si | ≤0.50 |
| Mn | ≤2.50 |
| P | ≤0.045 |
| S | ≤0.035 |
| Al | ≥0.015 |
| Nb | ≤0.09 |
| Ti | ≤0.15 |
Physical Properties and Chemical Composition
Here are the physical properties and chemical composition of EN 10346-S220GD-ZA:
Physical Properties:
| Property | Value |
|---|---|
| Density | 7.85 g/cm3 |
| Elastic modulus | 200 GPa |
| Poisson's ratio | 0.3 |
| Coefficient of thermal expansion | 12.1 × 10^-6/K |
Chemical Composition:
| Chemical Composition | Weight Percentage |
|---|---|
| C | ≤0.10 |
| Si | ≤0.50 |
| Mn | ≤2.50 |
| P | ≤0.045 |
| S | ≤0.035 |
| Al | ≥0.015 |
| Nb | ≤0.09 |
| Ti | ≤0.15 |
The steel sheet is hot-dip galvanized and has a zinc-aluminum coating (ZA) with a coating mass of between 100 g/m2 and 600 g/m2. The aluminum content in the coating ranges between 5% and 11%, and the coating thickness is uniform and adheres tightly to the substrate. The minimum yield strength of the steel sheet is 220 MPa.
Overall, EN 10346-S220GD-ZA is a high-quality steel sheet with excellent mechanical properties, good formability, and superior corrosion resistance due to its zinc and aluminum coating.
Here are the applications of EN 10346-S220GD-ZA in a table format:
| Field | Application |
|---|---|
| Construction | Roofing, wall cladding, structural components, purlins, trusses |
| Household Appliances | Air conditioning units, refrigerators, washing machines |
| Automotive | Body panels, chassis components, reinforcements |
| Characteristic | Description |
|---|---|
| High strength | EN 10346-S220GD-ZA has a minimum yield strength of 220 MPa and a tensile strength of 300-420 MPa, depending on the thickness of the sheet. |
| Good formability | The sheet is highly formable, with a minimum bending radius of 0T for thickness ≤1.5mm and 1T for thickness >1.5mm. |
| Excellent corrosion resistance | The sheet has excellent corrosion resistance, with a salt spray test result of ≥600 hours. |
| Superior coating adhesion | The coating adhesion of the sheet is Grade 0, indicating excellent adhesion between the coating and the substrate. |
| Versatile | EN 10346-S220GD-ZA is suitable for various applications in construction, household appliances, and automotive industries. |
| Cost-effective | The sheet offers excellent value for money, with high durability and longevity. |
EN 10346-S220GD-ZA is commonly used in construction, household appliances, and automotive industries due to its excellent mechanical properties and corrosion resistance. It is used for manufacturing roofing and wall cladding, as well as structural components such as purlins and trusses. In the household appliances industry, it is used to produce air conditioning units, refrigerators, and washing machines. In the automotive industry, it is used to manufacture body panels, chassis components, and reinforcements. The versatility and durability of EN 10346-S220GD-ZA make it a popular choice for various applications.
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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.
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