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Spiral steel pipe maintenance medium transportation is an important part of it. Spiral steel pipe is the anti-corrosion of the outer wall of high-grade steel oil, gas, water, and heating pipelines, and the durability of spiral steel pipe has improved to a better level. The durability of the spiral s
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1. Welding processIn the welding process, the welding method of the spiral steel pipe and the straight seam welded pipe is the same, but the straight seam welded pipe will inevitably have many T-shaped welds, so the probability of welding defects is greatly increased, and the welding residual stress
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1. Ultrasonic detection When the ultrasonic wave is dispersed in the tested raw material, the acoustic characteristics of the raw material and the transformation of the internal structure will positively impact the ultrasonic wave propagation. By detecting the affected level and situation of the ult
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Project Location: Cambodia.Product: square steel pipe.Specifications: 130*130*6000mm.Application: Industry building construction.Arrival time: 06.20.2022.The pipes have arrived in Cambodia and were put into project use. Many cooperations have given the customer full confidence in THREEWAY STEEL.
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