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Production method of boiler steel pipe
Boiler steel pipe is a type of seamless steel pipe. The manufacturing method is the same as that of seamless pipes, but there are strict requirements for the type of steel used in manufacturing steel pipes. According to the operating temperature, it is divided into two types: general boiler steel...Read more -
Introduction of square tube
Square tube is a name for square pipe, which is a steel pipe with equal side lengths. Most square tubes are mostly steel tubes, mostly structural square tubes, decorative square tubes, construction square tubes, etc. Short Description: Keywords（pipe type）:carbon steel pipe,Seamless Steel Pipe, ...Read more -
Spiral steel pipe production process
(1) The raw materials are steel strip coil, welding wire, and flux. They must undergo strict physical and chemical inspections before being put into use. (2) For the head-to-tail butt joint of the steel strip, single-wire or double-wire submerged arc welding is used. After being rolled into a spi...Read more -
What are the physical properties of seamless tubes?
What are the physical properties of seamless tubes? 1. Composition of chemicals. There are specifications for the amount of dangerous chemical elements like As, Sn, Sb, Bi, and Pb as well as gases like N, H, and O. To enhance the consistency and purity of steel’s chemical composition, decre...Read more -
Submerged arc steel pipe acceptance steps
1. Inspection and inspection of submerged arc steel pipes shall be carried out by the supplier’s technical supervision department. 2. The supplier must ensure that the delivered submerged arc steel pipes comply with the regulations of the corresponding product standards. The purchaser has the rig...Read more -
ASTM A53 Seamless tubing
ASTM A53—Uncoated and hot-dip galvanized welded and seamless nominal steel pipe There are two types of seamless tubing: DIN and ASTM American standard seamless steel tube. German seamless steel tube standard, or JIS Japanese seamless steel tube that complies with GB standards. While ASTM America...Read more