Product News
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Deoxidation iron requirements of seamless steel pipe
Deoxidation iron requirements of seamless steel pipe: Size: In the case of continuous charging, the size of the direct reduced iron is very important parameter. Small in size (1 ~ 2mm) materials may quickly oxidized when contacting the slag, it may be pumped flue. Size is too large (> 30mm) at...Read more -
Cold rolled steel pipe
Cold rolled steel pipe is produced through cold-rolled process. Cold-rolling is at room temperature for a further rolled to a target thickness of the thin plate. And comparison of hot-rolled steel, cold rolled steel plate thickness is more accurate, and the surface is smooth, beautiful, but also ...Read more -
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