
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 :ASTM A53 welded steel pipes Update : 2026-09-09 View(s) : 16
ASTM A53 welded steel pipe is widely used in industrial piping, making the integrity of the longitudinal weld seam critical for safety. Ultrasonic testing (UT) is a vital nondestructive examination method that uses high-frequency sound waves to detect hidden internal defects, such as lack of f...

Keywords :ASTM A53 steel pipes Update : 2026-09-08 View(s) : 16
ASTM A53 steel pipes are widely used but highly susceptible to corrosion when exposed to moisture, chemicals, and harsh environments. Without adequate protection, this degradation can lead to wall thinning, leaks, and structural failure. Applying a protective coating is the most effective de...

Keywords :API 5L steel pipes Update : 2026-09-07 View(s) : 24
API 5L steel pipes are essential for offshore oil and gas transportation, providing a standardized solution for subsea pipelines, export lines, and riser systems. Developed by the American Petroleum Institute, this specification covers seamless and welded line pipes with varying strength grade...

Keywords :EN 10219 S355J2H steel pipe Update : 2026-09-04 View(s) : 37
EN 10219 S355J2H steel pipe is a premium cold-formed welded structural hollow section designed for load-bearing applications. Manufactured under the European EN 10219 standard, it is available in CHS, SHS, and RHS profiles. The "S355" designation guarantees a minimum yield strength of 355 MP...

Keywords :EN 10219 and API 5L steel pipe Update : 2026-09-03 View(s) : 46
EN 10219 and API 5L serve distinctly different engineering purposes and should not be treated as direct substitutes. EN 10219 covers cold-formed welded structural hollow sections, primarily used for load-bearing applications like building frames, bridges, and machinery. Common grades include S2...