• Standards: JIS, ANSI, ASME, GB, DIN, BS and API
• Grades: 10, 20 and 45#, K55, J55, ST37, ST52, X42-X70 and Q345 (16mn)
• Outer diameters: 139.7 to 245.5mm
• Thickness: 4 to 140mm
• Length: 12m or customized
• Manufacture technique: hot rolled
• Surface treatment: varnish coating or customized
• Section shape: round
• Ends: beveled or square cut, plastic capped
•  Applications: water transports, boilers, chemicals and constructions
• If  you are interest,please contact me,my name is ailsa,
• At last,welcome to visit our factory.