| Material | Core Advantages | Corrosion Resistance (Salt Spray) | Load-bearing / Strength | Cost | Typical Applications |
|---|---|---|---|---|---|
| 304 Stainless Steel | Corrosion-resistant, durable, food-grade | ≥ 48 hours | High | Medium-High | Bathroom, kitchen, fasteners in humid environments |
| 316 Stainless Steel | Ultra-high salt spray resistance, acid & alkali resistant | ≥ 1000 hours | Extremely High | High | Coastal areas, chemical industry, high-end curtain walls |
| H59 Brass | Antibacterial, good luster, easy to machine | ≥ 72 hours | Medium | High | High-end bathroom faucets, decorative parts |
| Cold-rolled Steel + Electroplating | High strength, high precision | 24-48 hours (depending on coating) | Extremely High | Medium | Door & window hinges, slides, load-bearing parts |
| Aluminum Alloy (6063-T5) | Lightweight, corrosion-resistant | ≥ 36 hours | Medium-Low | Medium | Door & window frames, pulleys, non-load-bearing parts |
| Zinc Alloy | Easy casting, various shapes | General (prone to oxidation) | Low (high brittleness) | Low | Low-cost handles, decorative parts |
| Hot-dip Galvanized Steel | Rust-proof, low cost | Medium | High | Low | Outdoor structures, embedded parts, ordinary fasteners |
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