Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of dx51d galvanized/galvalume steel sheet in China. Welcome to wholesale customized dx51d galvanized/galvalume steel sheet at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
Galvanized Steel Sheet：
Hot-dipped Galvalume Steel Sheets(GL) is made by coating cold-rolled steel with a layer of aluminum-iron-zinc-silicon coating. Compare to galvanized steel, galvalume steel has an even better corrosion resistance, heat resistance, and heat reflectivity. It is also more decorative, benefited from the Al-Zn alloy crystal pattern on the surface of the coating.
Galvalume is a relatively new technology compared to galvanizing, and it is getting increasingly popular because of its great performance, affordability, and ornamental effect.
Characteristics of galvanized sheets and galvalume steel sheets:
1. Both galvalume steel sheet and galvanized sheets have very good heat resistance, because they are made of coatings made of materials with relatively high heat-resistant temperatures, so they will still be well preserved after passing through relatively high temperatures.
2. The heat reflectivity of galvalume steel sheet and galvanized sheets is relatively good. Generally speaking, galvalume sheets and galvanized sheets can reflect heat to insulate heat. In comparison, gl sheets have better reflectivity than galvanized sheets.
3. The density of the galvanized plate is relatively smaller, because the zinc coating is changed to aluminum. The density of aluminum is smaller than that of zinc. Relatively speaking, the density of the galvanized plate is higher than that of the galvanized plate. The zinc plate is small. Because of this, gl sheets are more economical and cheaper than galvanized sheets.
4. Both galvalume steel sheet and galvanized sheets are relatively easy to paint. Their adhesion is relatively good and they are less prone to uneven colors.
Galvanized Steel Specification selection:
Choosing appropriate galvanized sheet specifications requires comprehensive consideration based on specific usage scenarios and needs.
Generally speaking, the following aspects need to be paid attention to:
1. Bearing capacity: Bearing capacity is one of the important factors to consider when selecting galvanized sheet specifications.
When selecting galvanized sheet specifications, it is necessary to comprehensively consider the actual needs and load-bearing capacity to select appropriate materials and sizes.
2. Anti-corrosion and aesthetic requirements: Anti-corrosion and aesthetics are two other important factors to consider when selecting galvanized sheet specifications.
For occasions with higher requirements, such as automobiles, machinery, electrical and other fields, it is recommended to choose spray-coated or hot-dip galvanized galvanized sheets.
3. Processing requirements: The processing requirements of galvanized sheets are also a factor that needs to be considered when selecting specifications.
Different processing methods have different requirements for galvanized sheets, and consumers should choose appropriate specifications based on actual needs.
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Galvanized sheet / Galvanized coil / Galvanized strip / Color Steel Sheet / Pressed tiles |
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Production Standard |
ASTM, AISI,JIS, DIN, EN,GB, GOST |
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Payterm |
Ex-work, FOB, CIF, CFR, etc |
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Payment |
T/T, L/C, Western Union, Alibaba Trade Assurance, etc |
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Delivery Time |
Within 3 days for our stock size, 7-15 days for our production |
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Package |
Export standard package: bundled wooden box, suit for all kinds of transport,or be required |
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MOQ |
No MOQ for stock Size, 50 KG for our production. |
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Sample |
Free and available |
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Quality |
Mill Test Certificate, ISO9001, CE,SGS, TVE |
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Processing Service |
Bending, Welding, Decoiling, Cutting, Punching |
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| CNS 15237 2013 | JIS G 3321 2017 | ASTM A792M 2010 | AS 1397 2011 | EN10346 2015 | |||||||||||||
| Specifications | SGLCD SGLCDD |
SGLCC | SGLC340 SGLC400 SGLC440 SGLC490 SGLC540 SGLC570 |
SGLCD SGLCDD |
SGLCC | SGLC400 440 570 |
CS Type A B C FS |
DS | SS Grade 230 255 275 340 550 |
G3 | G1 G2 |
G250 G300 G350 G450 G500 G550 | DX51D | DX52D DX53D |
S220GD S250GD S280GD S320GD S350GD |
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| Thickness of Base Steel (mm) | 0.3 - 1.5 | 0.16 - 2.0 | 0.3 - 2.0 | SGLCC, SGLC340: 0.17~2.02mm; SGLCD1~3: 0.3~1.4mm; SGLC400: 0.2~1.5mm; SGLC440: 0.2~2.0mm; SGLC570: 0.17~2.0mm |
CS Type A, B, C, Grade 230, 255: 0.17~2.02mm; FS Type A, B: 0.295~1.6mm; DS: 0.3~1.4mm; SS Grade 275: 0.22~1.5mm; SS Grade 340: 0.2~2.0mm; SS Grade 550: 0.17~2.0mm |
G1, G250: 0.17~2.02mm; G300: 0.28~1.5mm; G350: 0.2~2.0mm; G450: 0.6~1.5mm; G500, G550: 0.17~2.0mm |
DX51D, S220GD, S250GD: 0.17~2.02mm; DX52D: 0.295~1.6mm; DX53D, 54D: 0.3~1.4mm; S280GD: 0.22~1.5mm; S320GD, S350GD: 0.2~2.0mm; S550GD: 0.17~2.0mm |
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| Coating Mass Regular Spangle |
AZ70~AZ185 | AZ70~AZ185 | AZM100~AZM180 | AZ150 | AZ100~AZ185 | ||||||||||||
| Surface Finish | Regular Spangle | ||||||||||||||||
| Surface Treatment | Chromating, Oiled, Resin Coated (Anti-Fingerprint), or Green Treatment (Environmentally Friendly Anti-Fingerprint) | ||||||||||||||||
| Remarks | 1. Tolerance for thickness, width, flatness and so on conforms to individual product specification. 2. All products with thickness 2.0mm and under can be skin passed. 3. The coil inside diameter can be either 508mm or 610mm. The maximum coil outside diameter is 2000mm. 4. Please make inquiries to our Sales & Marketing Division for products with special specifications. 5. Coating mass beyond the specifications above can be provided by Yieh Corp. upon mutual agreement between customers and us. |
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| Characteristic overlay factor | Typical value in µm | Range | Density in g/cm³ |
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| Z100 | 7 | 5-12 | 7,1 |
| Z140 | 10 | 7-15 | 7,1 |
| Z200 | 14 | 10-20 | 7,1 |
| Z225 | 16 | 11-22 | 7,1 |
| Z275 | 20 | 13-27 | 7,1 |
| Z350 | 25 | 17-33 | 7,1 |
| Z450 | 32 | 22-42 | 7,1 |
| Z600 | 42 | 29-55 | 7,1 |
| Product Name | Base Type | Thickness (mm) | Width (mm) |
| Hot-dip 55% Al-Zn Coated Steel Coil | Cold-rolled Base | 0.16~2.00 | 700~1550 |
| Hot-dip 5% Al-Zn Coated Steel Coil | Cold-rolled Base | 0.20~2.30 | 700~1550 |
| Hot-rolled Base | 1.30~4.50 | 670~1280(trimmed)/ 1260(untrimmed) |
Hot-dip galvanized steel sheets are produced using hot-rolled steel strips or cold-rolled steel strips as base plates through a continuous hot-dip galvanizing process.
The product can prevent corrosion and rust on the surface of thin steel plates and steel strips. Hot-dip galvanized sheets are supplied as rectangular flat sheets after cross-cutting; hot-dip galvanized coils are supplied as coils. Due to the different substrates used, hot-dip galvanized steel sheets can be divided into hot-rolled galvanized sheet coils and cold-rolled hot-dip galvanized sheet coils. They are mainly used in construction, home appliances, automobiles, containers, transportation and household industries.
Galvanized sheet is a common metal material with the advantages of anti-corrosion, wear resistance, and aesthetics. It is widely used in construction, manufacturing and other fields.
When using galvanized sheets, it is very important to understand their theoretical weight, because this can help us rationally select materials, calculate costs, and use them safely.
First of all, we need to make it clear that the theoretical weight of galvanized sheets refers to the weight of galvanized sheets per unit area.
This value is related to the thickness of the galvanized layer, the thickness of the steel plate, and the density of the steel plate.
Therefore, when calculating the theoretical weight of galvanized sheets, we need to know these relevant parameters.
Generally, in standard specifications of galvanized sheets, the thickness is usually between 0.3-3.0mm.
The density of steel plates is generally 7.85g/cm³.
The thickness of the galvanized layer varies according to different products and requirements, generally between 5-20μm.
When calculating the theoretical weight of galvanized sheets, we can use the following formula:
Theoretical weight (kg/m²) = steel plate thickness (mm) × 7.85 galvanized layer thickness (μm) × 7.14
Among them, 7.14 is the density of the galvanized layer. This value can usually be estimated using the statistical average.
Through this formula, we can calculate the theoretical weight of galvanized sheets of different specifications to better understand its performance and application range.
Galvanized steel plate surface and details display:
Galvanized/Galvalume Steel Sheet Qualification Certificate:
GNEE Company customer case:
About GNEE:
FAQ:
Q1: Do you have products in stock?
A: Have 10,000 tons of various sizes in stock. Please let us know what model you need and we will send you the stock details.
Q2: How long does it take to produce my order?
A: Our normal production time is 7-25 working days, depending on your order.
Q3: How much is the shipping cost for galvanized steel sheets?
A: This will depend on the size and weight of your order and the shipping method.
Free sample：
Delivery Time : Sample For 1- 3 Working Days and Order For 7-10 days
Freely contact us to get more products details or free sample.
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