galvanized steel plate
Need galvanized steel plates optimized for indoor use? Look no further. As a trusted direct factory with 20 years of experience, GNEE Steel specializes in S350GD+Z120 galvanized steel plate-the perfect choice for indoor environments. In this guide, we'll highlight its indoor-specific benefits and provide key technical details.

Galvanized steel plate
Indoor applications require corrosion resistance against humidity rather than extreme outdoor elements. S350GD+Z120 is tailored for this need.
Its Z120 coating (120g/m²) provides just the right level of protection for indoor use, avoiding unnecessary costs of thicker coatings.
Common indoor uses include storage racks, electrical cabinets, furniture frames, and appliance casings-all areas where S350GD+Z120 excels.
Key Benefits of S350GD+Z120 for Indoor Use
S350GD+Z120 offers unique advantages for indoor applications:
- Cost-Effective: Z120 coating costs less than thicker options (Z200/Z275) while meeting indoor protection needs.
- Easy Processing: Maintains excellent formability for bending into complex shapes required for furniture and cabinets.
- Aesthetic Appeal: Available in minimized spangle finish, ideal for visible indoor components.
- Humidity Resistance: Protects against indoor moisture and condensation, preventing rust formation.
- Lightweight: Thinner coating keeps weight low, suitable for modular furniture and storage systems.
These benefits make it a top choice for manufacturers and interior designers.
Mechanical Performance of S350GD+Z120 in Indoor Environments
S350GD+Z120 maintains consistent mechanical properties in indoor conditions:
| Property | Value | Indoor Application Advantage |
|---|---|---|
| Yield Strength | ≥350 MPa | Supports storage rack loads |
| Tensile Strength | 420-560 MPa | Withstands assembly stress |
| Elongation | ≥18% | Allows bending for furniture frames |
| Coating Adhesion | Excellent | Resists chipping during processing |
The material's stability ensures long-term performance in temperature-controlled indoor spaces.
Standard Sizes for Indoor Applications
GNEE Steel provides S350GD+Z120 in sizes optimized for indoor projects:
| Indoor Application | Thickness | Width | Length |
|---|---|---|---|
| Storage Racks | 1.2mm-2.5mm | 1000mm-1220mm | 2440mm-3000mm |
| Electrical Cabinets | 0.8mm-1.5mm | 1220mm-1500mm | 2000mm-2440mm |
| Furniture Frames | 0.5mm-1.2mm | 1000mm-1220mm | 2000mm-3000mm |
| Appliance Casings | 0.6mm-1.0mm | 1000mm-1500mm | 2000mm-2440mm |
Custom cutting is available to match specific product dimensions.
S350GD+Z120 galvanized steel plate is the ideal solution for indoor applications, offering the right balance of protection, performance, and cost. GNEE Steel's factory-direct supply ensures consistent quality for your indoor projects.
To discuss your indoor application needs or request samples of S350GD+Z120, please reach out to our technical team today. We'll help you select the perfect material specification.
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- 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 |

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