
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 :Q345D seamless square steel pipe, seamless steel pipe, square steel pipe processing Update : 2025-09-11 View(s) : 355
First, Material Properties and Chemical Composition of Q345D Seamless Square Steel Pipe Q345D seamless square steel pipe is made from low-alloy, high-strength structural steel Q345D. Its chemical composition strictly adheres to national standards: Carbon: 0.12%-0.18% to ensure basic strength...

Keywords :seamless steel pipe, petroleum seamless steel pipe, seamless steel pipe petroleum cracking Update : 2025-09-10 View(s) : 323
First, the Standard Positioning and Implementation Background of Seamless Steel Pipes for Petroleum Cracking GB/T 9948-2025 is my country's new national standard for seamless steel pipes for petroleum cracking units, which will officially come into effect on January 1, 2026. This standard inte...

Keywords :seamless steel pipe, buying seamless steel pipe, seamless steel pipe details Update : 2025-09-09 View(s) : 319
Seamless steel pipes are steel pipes made of a whole round steel with holes and no welds on the surface. According to the cross-sectional shape, seamless steel pipes can be divided into round and special-shaped pipes. Special-shaped pipes have a variety of complex shapes, such as square, oval, t...

Keywords :carbon steel pipe fitting, carbon steel pipe fitting manufacturing, steel pipe fitting advantages Update : 2025-09-08 View(s) : 311
Carbon steel pipe fittings are common and essential products in daily industrial projects. How much do you know about the manufacturing industry and the advantages of carbon steel pipe fittings? What should we pay attention to during the manufacturing process of carbon steel pipe fittings? Let's...

Keywords :carbon steel pipe, carbon steel pipe sizes, carbon steel pipe importance Update : 2025-09-05 View(s) : 1
Carbon steel pipe is a common material with a wide range of uses in the steel industry, and its diameter standards are crucial for engineering design and use. Carbon steel pipe diameter standards refer to the specified range of pipe diameters, typically expressed in nominal diameter (DN) or...