Galvanized Steel Fabrication for
Outdoor Enclosures & Structures
SGCC / SECC / DX51D+Z / G90 galvanized sheet metal fabrication with zinc coating control, cut-edge protection and weatherproof powder coating for outdoor OEM programs.
- Z120-Z600 / G30-G90 Zinc Coating Options
- Punching, Bending, Spot Welding & Riveting
- Initial Response Target: 24 Working Hours
Used for telecom cabinets, HVAC housings, cable tray, EV charger pedestals and solar structures.
Material Overview
Galvanized steel starts with a carbon steel substrate and adds a protective zinc layer for sacrificial corrosion resistance. It is the cost-effective outdoor workhorse when bare carbon steel would rust too quickly and stainless steel would overrun the budget.
We fabricate pre-galvanized sheet and hot-dip galvanized components for electrical enclosures, telecom cabinets, HVAC housings, cable tray, solar mounting hardware and industrial guards. For environment-specific selection, see our galvanized vs stainless outdoor guide.
Typical Properties
- Base Density
- 7.85 g/cm3
- Coating Range
- Z120-Z600
- Common ASTM
- G30 / G60 / G90
- Substrate
- Low-carbon steel
- Best Use
- Outdoor cost control
- Finish Pairing
- Powder coat / paint
Galvanized Steel Grade Specifications
Common galvanized sheet and coating designations used in OEM sheet metal fabrication. Final grade selection depends on exposure, forming severity and coating life.
| Grade | Standard | Coating | Tensile MPa | Yield MPa | Formability | Thickness Basis | Key Characteristics |
|---|---|---|---|---|---|---|---|
| SGCC | JIS G3302 | Z120-Z275 | 270-500 | 205+ | Good | Supplier / released specification | Cabinets, panels, appliance parts |
| SECC | JIS G3313 | Electro-zinc | 270-410 | 205+ | Very good | Supplier / released specification | Electronics chassis, clean finish |
| DX51D+Z | EN 10346 | Z140-Z275 | 270-500 | 140-300 | Excellent | Supplier / released specification | Formed enclosures and HVAC parts |
| ASTM G90 | ASTM A653 | 0.90 oz/ft2 | 270-450 | 205+ | Good | Supplier / released specification | Outdoor HVAC and equipment cabinets |
| Z600 HDG | EN / ISO | Z600 | 350-550 | 235+ | Limited | Supplier / released specification | Solar posts, outdoor structural parts |
Where Galvanized Steel Wins
The best fit is outdoor or semi-outdoor work where cost, forming speed and corrosion resistance must balance.
Galvanized Steel Processing Capability
Recommended Applications
- Outdoor telecom cabinets and pole boxes
- HVAC rooftop unit panels and duct housings
- EV charger pedestals and electrical cabinets
- Cable tray, solar posts and equipment guards
Design Notes
- Protect punched and laser-cut edges in severe exposure
- Use powder coat over galvanized for long outdoor service
- Avoid aggressive welding without fume extraction
- Specify coating mass, not just "galvanized"
Need Galvanized Steel Parts Built for Outdoor Service?
Send drawings, expected environment and annual volume. Our engineers will review grade, zinc coating, edge protection and finishing sequence.
Request Galvanized Steel Quote