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Technical Features
1. Maintenance-free throughout the life cycle.
2. Anti-corrosion life can reach more than 30 years.
3. Simple structure.
4. Convenient installation.
2. Anti-corrosion life can reach more than 30 years.
3. Simple structure.
4. Convenient installation.
Steel goosenecks in non-sound barrier areas: mainly composed of lower flange plates, webs, upper flange plates, railing column foundations, railing columns, studs, rubber pads, railing round bars, railing angles and bolts.
Steel goosenecks in the sound barrier areas: mainly composed of lower flange plates, webs, upper flange plates, sound barrier column foundations, railing columns, studs, and rubber pads.
Steel Goosenecks Production Process：cutting---leveling---welding---shot blasting---Co-infiltration---cleaning---passivation---sealing---packing
Steel goosenecks in the sound barrier areas: mainly composed of lower flange plates, webs, upper flange plates, sound barrier column foundations, railing columns, studs, and rubber pads.
Steel Goosenecks Production Process：cutting---leveling---welding---shot blasting---Co-infiltration---cleaning---passivation---sealing---packing
| Item | Ordinary paint | Hot dip galvanized | Multi-alloy co-infiltration | PCA anti-corrosion technology |
| Pickling | × | √ | × | × |
| Hydrogen embrittlement | × | √ | × | × |
| Neutral salt spray test （h） |
≤200 | ≤480 | 500~1000 | ≥1200 |
| Corrosion and heat resistance（h） | 96~168 | / | / | ≥1000 |
| Adhesion（MPa） | 3~5 | 8~10 | 9~12 | 10~12 |
| Hardness | 70~80 H | 70~80 HV | ≥250HV | 200~300 HV |
| Uniformity of appearance | good | bad | good | good |
| Anti-corrosion life | 1~2 years | 5~8 years | Above 15 years | Above 30 years |
| Maintain | By painting | By painting | Maintenance-free | Maintenance-free |
