Customization: | Available |
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After-sales Service: | Tracking Services, Technical Guidance |
Warranty: | 1year |
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Metallic Zinc Coating
When applied, the mean mass of our high-quality metallic zinc spray shall be no less than 130 g/m²with a local minimum of 110 g/m². Customized zinc mass specifications are also available on request.
Bitumen Coating
The mean thickness of our premium bitumen coating is no less than 70 μm, with a local minimum thickness of no less than 50 μm. Custom thickness options are available per customer requirements.
Alternative Coating
Process and Testing:
1. Induction furnace and treated metal: Includes raw material chemical analysis, spheroidizing, and nodularity checks.
2. Casting: Visual inspection and weight verification.
3. Heat Treatment: Microstructure analysis.
4. Hydrostatic Test: Pressure testing to ensure durability.
5. Dimensional Checks: Verifying pipe length, joints, outer diameter (OD), wall thickness, and overall appearance.
6. Zinc Spraying: Thickness testing to meet standards.
7. Lining and Coating: Comprehensive visual inspections and random thickness testing.
8. Marking and Packing: 100% visual inspection to confirm quality before shipment.
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