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Steel pipe purchasing skills
Time：
2022-08-12
How to choose the steel pipe 1. The color and luster are generally uniform, the inner and outer walls are smooth and flat, and there are no defects such as bubbles, depressions and impurities that affect the surface performance. 2. It depends on whether the logo on the product is complete. The steel pipe must have the manufacturer's name or trademark, production date, product name, specification size, implementation standard number, etc., and the steel pipe must have the product name, nominal outer diameter, pipe series S, etc. , the handwriting should be clear, and check whether the logo is consistent with the actual. 3. You should buy pipes and fittings of the same brand. Since the raw materials of products of different brands may be different, there will be unfavorable factors for the welding of pipes and fittings, and long-term use will cause leakage at the weld. 4. Good steel pipes have high strength rather than being broken, so the quality of steel pipes cannot be judged by whether they can be broken. Because the impact resistance of steel pipes is better than that of real steel pipes, steel pipes are easier to smash, and those that cannot be smashed are often steel pipes.
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