
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 :square and rectangular tubes Update : 2026-09-18 View(s) : 10
Selecting the right square and rectangular tubes (HSS) requires more than checking dimensions; understanding the applicable global standard is critical for structural integrity. This guide compares three major standards: China's GB/T 6728, North America's ASTM A500, and Europe's EN 10219. ...

Keywords :ERW steel pipes Update : 2026-09-11 View(s) : 32
ASTM A53 Grade B ERW steel pipes are widely used in industrial applications, but the localized heating during welding can alter the metallurgical properties of the weld zone and heat-affected zone (HAZ). To address this, heat treatment is often applied to reduce brittleness, eliminate res...

Keywords :ASTM A53 Grade B steel pipe Update : 2026-09-10 View(s) : 37
ASTM A53 Grade B steel pipe is a versatile carbon steel pipe widely used in general industrial and mechanical applications. Available in both seamless and welded forms, as well as black or hot-dip galvanized finishes, it offers an excellent balance of strength, weldability, and cost-efficiency...

Keywords :ASTM A53 welded steel pipes Update : 2026-09-09 View(s) : 37
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) : 44
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...