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Dx51d is a galvanized coil plate. Dx51d represents the material of an ordinary galvanized coil plate. However, the most common galvanized coil material on the market is actually SGCC, which is actually a Japanese standard. However, DX51D and DC51D are European standards. In DX51D, D It represents the bending and forming grade galvanized sheet, and 51 represents the serial number of the steel grade, which mainly uses low carbon steel as its basic material.
Zinc-Fe Alloy Steel (GA)
| ．SGCC F--: General forming processing soft steel ．SGCD F--: Drawing processing soft steel |
|
| ．Application: | Good corrosion rust-proof, for automotive chassis, automotive sheet metal and appliance parts. |
| Name | Galvanized Steel Coil | ||||
| Standard | ASTM, AISI, DIN, GB | ||||
| Grade | DX51D+Z DX52D+Z DX53D+Z DX54D+Z |
CS A CS B CS C FS A FS B |
SGCC SGCD |
SGC340 SGC400 SGC440 SGC490 SGC510 |
S250GD+Z S280GD+Z S320GD+Z S350GD+Z S550GD+Z |
| Thickness | 0.11mm-4mm | ||||
| Width | 600mm-1500mm | ||||
| Zinc Coating | 30~400GSM | ||||
| Spangle | zero spangle, regular spangle or large spangle | ||||
| Surface Treatment | chromed, skinpass, oiled, slightly oiled, dry... | ||||
| Coil Weight | 3-8ton or as client requirement. | ||||
| Hardness | soft, hard, half hard | ||||
|
Chemical Composition |
||||||
|
GRADE |
C |
Si |
Mn |
P |
S |
Ti |
|
SGCC/DX51D+Z |
≤0.10 |
≤0.50 |
≤0.60 |
≤0.10 |
≤0.030 |
≤0.020 |
|
DX52D+Z |
≤0.10 |
≤0.50 |
≤0.60 |
≤0.10 |
≤0.030 |
≤0.020 |
|
SGCD/DX53D+Z |
≤0.10 |
≤0.30 |
≤0.50 |
≤0.05 |
≤0.030 |
≤0.020 |
|
SGCE/DX54D+Z |
≤0.10 |
≤0.30 |
≤0.30 |
≤0.03 |
≤0.020 |
≤0.020 |
|
DX56D+Z |
≤0.10 |
≤0.30 |
≤0.30 |
≤0.03 |
≤0.020 |
≤0.020 |
|
Structural |
≤0.20 |
≤0.60 |
≤1.70 |
≤0.10 |
≤0.045 |
|
The Principle of the Galvanization Protection:
Galvanized steel is able to prevent surface of steel sheet from suffering the corrosion, lengthens its available time. The reason are the following:
1. Zinc coating can prevent corrosive substances such as acid (such as acid rain) from contacting the underlying metal.
2. Galvanizing treatment can prevent rust. When the coating is scratched, zinc is still more likely to "lost anode" than base metals, thereby protecting it from rust.
3. Zinc protects metals by corroding faster than alkaline metals. For example, a special ingredient called "chromate" is added to galvanized metal, which makes it corrode faster. The reason for this is to corrode the zinc coating first to protect the underlying metal from corrosion.
Customer case:
Our company’s unique advantages are:
1. Popular and trustworthy supplier to domestic and international trading companies
2. Strategic location and convenient transportation.
3. Professional product team, SGCC DX51D SGCD Galvanized Steel Coil has a large export volume and the team has rich experience.
4. Product reliability, experienced OEM, competitive price and on-time delivery.
5. Provide timely feedback and communication.
6. Business beliefs: credibility first, honesty and trustworthiness, mutual benefit, and customer first.
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