hot-dip galvanized steel sheet
S280GD is a strong, low-alloy structural steel that's widely used in construction and manufacturing. With a minimum yield strength of 280 MPa, it's tough enough for demanding structural tasks. The hot-dip zinc coating provides superior protection against corrosion, guaranteeing extended durability. Thanks to this blend of strength and protection, the S280GD is perfect for structural frames, roofing systems, and other heavy-duty applications.
The name S280GD is derived from European standard EN 10346 and stands for:
- S: Structural grade steel.
- 280: Minimum yield strength of 280 MPa.
- GD: Suitable for continuous hot-dip galvanization.
Available range of S280GD+Z hot-dip galvanized steel sheet for appliances:
|
Item |
Nominal mm |
|
|
Thickness |
0.30~3.0 |
|
|
Width |
Steel strip |
700~1830 |
|
Slitting steel strip |
450~900 |
|
|
Length |
Steel plate |
1000~6000 |
|
Inside diameter of steel strip (coil) |
610/508 |
|
S280GD+Z hot-dip galvanized steel sheet for appliance coating weight:
|
|
Coating form |
Coating code |
Coating weight g/m² |
|
|
Average value of three points in the single side |
Single spot per side |
|||
|
Z,ZF |
Coating with uniform thickness |
A/Ba |
A/Ba |
(0.85×A)/(0.85XB) |
|
Z |
Coating with different thickness |
|
|
|
|
a. A and B are the nominal coating weight of steel plate steel strip(g/m²) |
||||
Applications
S280GD is used in a wide range of construction applications where high load-bearing capacity and long-lasting corrosion protection are required. Typical areas of application are
- Roof and façade systems: trapezoidal and standing seam profiles for residential, commercial and industrial buildings.
- Drainage components: Gutters, downpipes and rainwater collectors.
- Lightweight steel construction: hall constructions, hall aprons, carports and roofing.
- Facade cladding: Profiled sheets and sandwich panels for wall and ceiling elements.
- Solar mounting systems: Frames and substructures with a long service life and low maintenance.
Thanks to the flexible overlay options, maintenance intervals can be extended and overall operating costs reduced, making the S280GD an economically attractive solution for modern construction projects.
S280GD Steel Properties
High Corrosion Resistance:
The hot-dip galvanizing process creates a durable zinc coating that effectively prevents rust, ensuring the steel can withstand prolonged exposure to humidity and wet conditions.
Enhanced Structural Stability:
S280GD maintains its mechanical performance under both static and dynamic loads, making it reliable for load-bearing frameworks and dynamic structures like bridges and cranes.
Excellent Formability:
This steel grade can be easily shaped into complex components such as roofing profiles, wall cladding, and structural panels without cracking or losing surface quality.
Strong Coating Adhesion:
The zinc coating is tightly bonded to the steel surface, ensuring long-term corrosion protection even after cutting, bending, or forming.
Outstanding Weather Resistance:
S280GD resists environmental wear in harsh climates, including prolonged exposure to rain, snow, and temperature fluctuations, ensuring a consistent performance over time.
High Heat Reflectivity and Insulation Capability:
Its surface can reflect a significant amount of radiant heat, helping to maintain stable interior temperatures in structures and making it an effective material for energy-efficient roofing or insulation.
Available Steel Grade
|
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 |