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Surface quality judgment of high-quality steel packing belt
by：Hongmei
2021-03-15
1. The surface of the high-quality steel packing belt is allowed to have individual concave, convex, bean marks, longitudinal scratches and scratches that are not more than half of the allowable thickness tolerance, but there must be no rust.
2. There should be no burrs, cracked edges or uneven cutting on the edge of the steel strip.
3. The surface of the blue-baked steel belt of the high-quality steel packing belt should be blue.
4. The thickness of the paint film (single side) of the painted steel strip should be no less than 3m; the surface paint film of the high-quality steel strapping strap should be even and continuous, and there should be no missing coating; slight sagging and edge rubbing are allowed; painting The surface color of the steel strip is generally black, and it can also be negotiated by the supplier and the buyer.
5. The coating thickness (single side) of the galvanized steel strip should be no less than 2m; the coating on the galvanized surface of the high-quality steel strapping strip should be uniform and complete, and there should be no coating peeling, cracks or missing plating; individual missing plating is allowed Point; the surface color of galvanized steel strip is generally silver gray.
2. There should be no burrs, cracked edges or uneven cutting on the edge of the steel strip.
3. The surface of the blue-baked steel belt of the high-quality steel packing belt should be blue.
4. The thickness of the paint film (single side) of the painted steel strip should be no less than 3m; the surface paint film of the high-quality steel strapping strap should be even and continuous, and there should be no missing coating; slight sagging and edge rubbing are allowed; painting The surface color of the steel strip is generally black, and it can also be negotiated by the supplier and the buyer.
5. The coating thickness (single side) of the galvanized steel strip should be no less than 2m; the coating on the galvanized surface of the high-quality steel strapping strip should be uniform and complete, and there should be no coating peeling, cracks or missing plating; individual missing plating is allowed Point; the surface color of galvanized steel strip is generally silver gray.
