Z275 Galvanized Sheet
The Z275 galvanized steel sheet is a double-sided galvanized carbon steel sheet. This is produced by a metal coating process that passes cold rolled coils through a bath filled with molten zinc.
Z275 Galvanized Sheet Description
Galvanized sheet is a type of steel that is coated with zinc for protection by an electroplating process. The galvanized layer is applied to cold rolled steel at low temperatures. Galvanizing is a well-known and effective method to add a protective layer to prevent the exposed steel from being corroded by natural elements. Zinc not only acts as a barrier between the environment and the steel, but it also decomposes first to protect the underlying steel and extend its service life. Zinc is generally represented by Z. Z is the abbreviation of English Zinc. Z275 means that the galvanizing content is 275 grams per square meter, and so on. The number after Z indicates the average coating content at three points on both sides of the galvanized steel in grams per square meter.
Scope of Application
Galvanizing products are widely used in industry, agriculture, animal husbandry and fishery, energy, transportation, chemical industry, light industry, home appliances, construction, communications, national defense and other fields.
Product Parameters
| Product Name | Z275 Galvanized Sheet |
|---|---|
| Thickness | 0.12mm-3.5mm |
| Width | 600mm-1500mm |
| Length | 508mm/610mm, Support Customization |
| Standard | AISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc. |
| Zinc Layer | Hot Galvanizing: 60-275g/m |
| Pre-galvanized: 80-275g/m |
Chemical Composition
| Standard | Grade | C | Si | Mn | P | S | Ti |
|---|---|---|---|---|---|---|---|
| Forcold Forming | DX51D+Z | 0.12 | 0.5 | 0.6 | 0.1 | 0.045 | 0.3 |
| Chinese Standard | DX52D+Z | 0.12 | 0.5 | 0.6 | 0.1 | 0.045 | 0.3 |
| DX53D+Z | 0.12 | 0.5 | 0.6 | 0.1 | 0.045 | 0.3 | |
| DX54D+Z | 0.12 | 0.5 | 0.6 | 0.1 | 0.045 | 0.3 | |
| DX56D+Z | 0.12 | 0.5 | 0.6 | 0.1 | 0.045 | 0.3 | |
| DX57D+Z | 0.12 | 0.5 | 0.6 | 0.1 | 0.045 | 0.3 | |
| Forcold Forming | SGCC | 0.15 | 0.5 | 0.8 | 0.05 | 0.03 | 0.025 |
| Japanese Standard | SGCD1 | 0.12 | 0.5 | 0.6 | 0.04 | 0.03 | 0.025 |
| SGCD2 | 0.1 | 0.5 | 0.45 | 0.03 | 0.03 | 0.025 | |
| SGCD3 | 0.08 | 0.5 | 0.45 | 0.03 | 0.03 | 0.025 | |
| SGCD4 | 0.06 | 0.5 | 0.45 | 0.03 | 0.03 | 0.025 | |
| For Structure | SGC340 | 0.25 | 0.5 | 1.7 | 0.2 | 0.035 | 0.025 |
| Japanese Standard | SGC400 | 0.25 | 0.5 | 1.7 | 0.2 | 0.035 | 0.15 |
| SGC440 | 0.25 | 0.5 | 2 | 0.2 | 0.035 | 0.15 | |
| SGC490 | 0.3 | 0.5 | 2 | 0.2 | 0.035 | 0.025 | |
| SGC510 | 0.3 | 0.5 | 2.5 | 0.2 | 0.035 | 0.025 | |
| For Structure | S220GD+Z | 0.2 | 0.6 | 0.7 | 0.1 | 0.045 | 0.025 |
| AISI Standard | S250GD+Z | 0.2 | 0.6 | 0.7 | 0.1 | 0.045 | 0.025 |
| S280GD+Z | 0.2 | 0.6 | 0.7 | 0.1 | 0.045 | 0.025 | |
| S320GD+Z | 0.2 | 0.6 | 0.7 | 0.1 | 0.045 | 0.025 | |
| S350GD+Z | 0.2 | 0.6 | 0.7 | 0.1 | 0.045 | 0.15 | |
| S550GD+Z | 0.2 | 0.6 | 0.7 | 0.1 | 0.045 | 0.15 |
Mechanical Properties
| Grade | Yield Strength MPa≥ | Tensile Strength MPa≥ | Elongation A%≥ |
|---|---|---|---|
| DX51D Z/ZM/AZ/AM | 240-380 | 270-500 | 22 |
| DX52D Z/ZM/AZ/AM | 140-300 | 270-420 | 26 |
| DX53D Z/ZM/AZ/AM | 140-260 | 270-380 | 30 |
| DX54D Z/ZM/AZ/AM | 120-220 | 260-350 | 36 |
| S220GD Z/ZM/AM | 220 | 300 | 20 |
| S250GD Z/ZM/AZ/AM | 250 | 330 | 19 |
| S280GD Z/ZM/AM | 280 | 360 | 18 |
| S300GD A/AM | 300 | 380 | 18 |
| S320GD Z/ZM/AM | 320 | 390 | 17 |
| S350GD Z/ZM/AZ/AM | 350 | 420 | 16 |
| S450GD A/AM | 450 | 480 | 15 |
| S550GD Z/ZM/AZ/AM | 550 | 550 | - |
Galvanized Surface Selection
| Zero Spangle | Minimized Spangle | Normal Spangle | Large Spangle |
|---|---|---|---|
 |  |  |  |
| Use of The Environment | Recommended Zinc Thickness | ||
| Indoor Use | Z10 or Z12 (100g/㎡or 120g/㎡) | ||
| Suburbs | Z20 and Painting (200g/㎡) | ||
| Urban or Industrial Area | Z27 (270g/㎡) or G90 (US Standard) and painted | ||
| Coastal Area | Thicker than Z27 (270g/㎡) or G90 (US Standard) and painted | ||
| Punch or Deep Drawing Application | Thicker than Z27 (270grams/㎡) or G90 (US Standard) avoid coating peeling after stamping | ||
| Surface Treatment Type | Code | Features |
|---|---|---|
| Chromic Acid Treatment | C | Good corrosion resistance, suitable for bare state |
| Chromic Acid Treatment+Oiling | S | Good corrosion resistance |
| Phosphoric Acid Treatment (Including Sealing Treatment) | P | Have a certain corrosion resistance, good paint performance |
| Phosphoric Acid Treatment (Including Sealing Treatment)+Oiling | Q | Has a certain corrosion resistance, good paint performance, prevent rust during transportation and storage |
| Phosphoric Acid Treatment (Excluding Sealing Treatment) | T | Have a certain corrosion resistance, good paint performance |
| Phosphoric Acid Treatment (Excluding Sealing Treatment)+Oiling | V | Has a certain corrosion resistance, good paint performance, and prevent rust |
| Oiling | O | Prevent rust during transportation and storage |
| No Treatment | M | Suitable for immediate painting |
Material Comparison
| Chinese Standard | Japan Standard | European Standard |
|---|---|---|
| DX51D Z/DC51D Z (CR) | SGCC | DX51D Z |
| DX52D Z/DC52D Z | SGCD1 | DX52D With |
| DX53D Z/DC53D Z/DX54D Z/DC54D Z | SGCD2/SGCD3 | DX53D Z/DX54D Z |
| S220/250/280/320/350/550GD Z | SGC340/400/440/490/570 | S220/250/280/320/350GD Z |
| DX51D Z/DD51D Z (HR) | SGHC | DX51D Z |
Scope of Application
| Aluminum Uses And Application Area | |
|---|---|
| Food Packaging | Beverage can ends, cans, bottle caps, etc. |
| Building | Curtain walls, cladding, suspended ceilings, thermal insulation, venetian blinds, etc. |
| Transportation | Auto parts, passenger car bodies, aviation ships and air cargo containers. |
| Electronic聽Equipment | Electrical appliances, communication equipment,PCPlate drilling guide, lighting and heat dissipation materials, etc. |
| Consumer Goods | Umbrellas, cooking utensils, sports equipment, etc |
| Other | Military, color coated aluminum plate |
Product Package
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