Galvanized sheet
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. Zinc is generally represented by Z. Z is the abbreviation of English Zinc. For example, the Z80 surface zinc plating content is 80 grams per square. Z150 means that the galvanizing content is 150 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. The general materials of hot-dip galvanizing on the market are: Z80, Z100, Z120, Z140, Z180, Z275, etc.
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.
DX51D Z150 Galvanized Sheet plays a critical role in modern building and infrastructure systems, where durability, corrosion resistance, and cost efficiency are essential.
Galvanized Sheet
Product Parameters
|
Product Name |
DX51D Z150 Galvanized Sheet |
|
Thickness |
0.12mm-6.00mm |
|
Width |
600mm-1500mm |
|
Length |
1m-12m, Support Customization |
|
Standard |
AISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc. |
|
Zinc Layer |
Hot Galvanizing: 60-275g/m² |
|
Pre-galvanized: 80-275g/m² |
Performance Advantages of Z150 Coating
| Coating Type | Total Zinc Mass | Typical Service Life |
|---|---|---|
| Z100 | 100 g/m² | 10–15 years |
| Z150 | 150 g/m² | 15–25 years |
| Z275 | 275 g/m² | 25–40 years |
The Z150 coating provides a balanced solution between protection level and economic efficiency.
Structural Capability of DX51D Base Steel
| Feature | Performance |
|---|---|
| Cold forming | Excellent |
| Weldability | High |
| Dimensional stability | Very good |
| Coating adhesion | Strong |
| Processing consistency | Stable |
Environmental Durability
| Environment | Expected Service Life |
|---|---|
| Rural | 30+ years |
| Urban | 20–30 years |
| Industrial | 15–25 years |
| Coastal | 10–20 years |
Typical Construction Products
| Product | Function |
|---|---|
| Roofing panels | Weather protection |
| Wall cladding | Building envelope |
| C/Z purlins | Structural support |
| Floor decking | Composite floors |
| Guardrails | Traffic safety |
GNEE STEEL delivers certified DX51D Z150 galvanized sheet with tailored dimensions, precise coating control, and professional packaging to support construction projects worldwide with consistent quality and dependable supply.
- Chemical Composition
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ti |
|
Forcold Forming Chinese Standard |
DX51D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX52D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX53D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX54D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX56D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX57D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
Forcold Forming Japanese Standard |
SGCC |
0.15 |
0.50 |
0.80 |
0.050 |
0.030 |
0.025 |
|
SGCD1 |
0.12 |
0.50 |
0.60 |
0.040 |
0.030 |
0.025 |
|
|
SGCD3 |
0.08 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
SGCD4 |
0.06 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
For Structure Japanese Standard |
SGC340 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.025 |
|
SGC400 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.150 |
|
|
SGC490 |
0.30 |
0.50 |
2.00 |
0.200 |
0.035 |
0.025 |
|
|
SGC510 |
0.30 |
0.50 |
2.50 |
0.200 |
0.035 |
0.025 |
|
|
For Structure AISI Standard |
S220GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
S250GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S280GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S320GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S350GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
|
|
S550GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |