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Packaging and storage of API 5CT casing
According to the American Petroleum Institute standard APISPEC5CT 1988 1st edition, casing steel grades are H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P- There are 10 types of 110 and Q-125. The casing should be supplied with threads and couplings, or in any of the following pipe end forms: ...Read more -
ASTM A500 square tube
ASTM A500 — Carbon steel cold-formed round and special-shaped cross-section welded square tubes and seamless square tubes for structural use Square pipe, or equal-length steel pipes, is also known as square tube. The majority of square tubes are made of steel and are used primarily for constructi...Read more -
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