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 :Commonly used non-destructive testing methods for steel pipes Update : 2022-03-21 View(s) : 848
The commonly used nondestructive testing methods for steel pipes include radiographic testing (RT), ultrasonic testing (UT), magnetic particle testing (MT), and penetrant testing (PT), which are called the four major conventional steel testing methods. These four methods are the most commonly us...
Keywords :How to solve the phenomenon of "goose head bend" of spiral steel pipe Update : 2022-03-18 View(s) : 1
If the large-diameter spiral steel pipe is processed to a certain length, bending must exist, which is a phenomenon and situation that is often encountered in steel pipes. Large-diameter spiral steel pipe is commonly known as "goose head bend" due to unevenness along the length or such bending...
Keywords :What are the quality requirements for steel pipeline pickling Update : 2022-03-17 View(s) : 799
(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 :Safety protection in construction of anti-corrosion steel pipe Update : 2022-03-16 View(s) : 793
1. The spraying process of 3PE anti-corrosion steel pipe At present, most 3pe anti-corrosion steel pipe manufacturers in my country adopt the production process of "epoxy powder spraying, adhesive and polyethylene lateral extrusion, winding roll pressing", because the powder and electrostati...
Keywords :Basic requirements and production temperature of straight seam steel pipe weld appearance Update : 2022-03-15 View(s) : 826
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...