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Product Description
1. Uniformity of the galvanized layer: The steel pipe sample shall not turn red (copper-plated color) after being immersed in the copper sulfate solution for 5 consecutive times.
2. Surface quality: The surface of the galvanized steel pipe shall have a complete galvanized layer, and there shall be no unplated black spots and bubbles. Small rough surfaces and local zinc nodules are allowed.
3. Weight of the galvanized layer: According to the requirements of the buyer, the galvanized steel pipe can be measured for the weight of the zinc layer, and the average value shall not be less than 480g/square meter.
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Our company currently mainly deals in various types of plates: stainless steel aluminum composite plates, copper aluminum composite plates, copper steel composite plates, stainless steel plates, copper plates, aluminum plates, etc. The composite plates can be divided into double-layer composite, three-layer composite, and five-layer composite, with a wide range of applications and strong durability.