Quality inspection of spiral steel pipe
Waste products are divided into two types: internal and external. Internal waste refers to scrap spiral steel pipe found in foundry plants or foundry workshops; external waste refers to scrap found after delivery, which is usually exposed in the process of mechanical processing, heat treatment or use, resulting in much greater economic losses than internal waste. In order to reduce the external waste, the batch spiral steel pipe should be sampled for experimental heat treatment and roughing before leaving the factory. The potential defects of spiral steel pipe should be found in the spiral steel pipe factory as far as possible, so that necessary remedial measures can be taken as soon as possible.
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