Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521
Keywords :What are the quality requirements for steel pipeline pickling Update : 2022-03-17 View(s) : 797
(1) After steel pipeline pickling, the rust and oil on the inner wall of the pipe are completely removed, and the cleanliness should meet the requirements of relevant standards. (2) Pickling parts shall not be over-pickled. If the pipe is soaked in the pickling solution for too long, the surfa...
Keywords :Basic requirements and production temperature of straight seam steel pipe weld appearance Update : 2022-03-15 View(s) : 823
Basic requirements for the appearance of straight seam steel pipe welds 1. Surface of welded joints: A. No cracks, unfused, pores, slag inclusions, and splashes are allowed. B. The welding seam surface of pipelines with design temperature lower than -29 degrees, stainless steel and alloy st...
Keywords :Inspection method for large diameter straight seam welded pipe Update : 2022-03-11 View(s) : 872
There are many methods for quality inspection of large-diameter longitudinally welded pipes , among which physical methods are also commonly used inspection methods. Physical inspection is a method of measuring or inspecting by using some physical phenomena. The inspection of the internal defects...
Keywords :The correct way to store the spiral steel pipe Update : 2022-03-08 View(s) : 682
Maybe you have never paid attention to such details, you must choose a suitable venue and warehouse to save the spiral steel pipe . 1) The site or warehouse for storing spiral steel pipe products should be selected in a clean and well-drained place, away from factories and mines that generat...
Keywords :Acceptance standard and method of spiral steel pipe Update : 2022-03-07 View(s) : 906
1. The acceptance principle of spiral steel pipe The quality inspection and acceptance of the spiral steel pipe shall be carried out by the technical quality supervision department of the supplier. The supplier must ensure that the delivered spiral steel pipe meets the requirements of the ...