Product News
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Cold drawn seamless steel tube process
Cold drawn seamless steel tubes process: round tube → heating → perforation → Heading → annealing → pickling → oiled (copper) → multi-pass cold drawn (cold rolled) → blank tube → heat treatment → straightening →hydrostatic testing (testing) → mark → storage. Cold drawn steel tube is with ...Read more -
Characteristics of seamless casing and tubing
Characteristics of seamless casing and tubing Seamless oil casing, oil and gas exploration in the largest amount of a pipe, it relies on male and female buckle buckle which is screwed inside and outside, will a series deep underground steel pipe work. Oil well casing is the lifeline of its qualit...Read more -
Difference between erw and dsaw pipes
Process High-frequency straight seam welded pipe (ERW) production process is easy, a single production specifications, using resistance welding and high frequency welding process. Double submerged arc welded straight seam steel pipe(dsaw) production technology was used JCOE molding process, moldi...Read more -
Common Structural Shapes
Structural steel is a category of steel used as a construction material for making structural steel shapes. A structural steel shape is a profile, formed with a specific cross section and following certain standards for chemical composition and mechanical properties. Structural steel shapes, size...Read more -
Characteristics of welded steel pipe and seamless steel pipe
Molding process of the steel tube 1, welded steel pipe is welded, it is cut into by the steel strip narrow steel strip, and then wrapped into a tubular shape with the cold mold. And special welding then a pipe seam welding. Outside welds polished bright. Within the burr of the pipe is not to figh...Read more -
Application of Submerged Arc Welded in Welding Steel Pipe
Submerged arc welding pipe welding, welding wire and steel pipes were connected to a power of two, the welding power source is AC or DC to DC, steel pipe connected to the negative terminal of the power supply, wire connected to the positive power supply wire through the little conductivemouth by ...Read more
