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Storage Conditions of Seamless Steel Pipe
1) Steel storage site or warehouse, should be selected in the clean, smooth drainage area, away from harmful gases or dust factories and mines. Presence on the ground to clear all the weeds and debris, keeping a clean steel; 2) In a warehouse not with acid, alkali, salt, cement, steel and other a...Read more -
Puncher of Seamless Steel Pipe
Production of hot-rolled seamless tube perforation is the most important step of deformation, its mission is to wear a solid tube rolled into a hollow tube. According to the structure and deformation characteristics piercing process of piercing machine can be divided into conventional perforating...Read more -
Features and benefits of seamless steel pipe
Features and benefits of seamless steel pipe 1. High precision machining saves wear and tear when the user quantity. 2. Specifications, wide range of applications. 3. Cold rolled finished high accuracy, good surface quality, good straightness. 4. The inner diameter of the pipe can be made hexagon...Read more -
Embrittlement of Precision Steel Pipe
Brittle tempering temperature range based on precision tubes can be divided into low and high temperature temper brittleness temper brittleness. After tempering brittleness precision tube alloy steel quenched martensite at a temperature range of 250 ~ 400 ℃ tempered steel embrittlement which a br...Read more -
Applications Category of Finishing Seamless Steel Tubes
Finishing seamless steel tubes extensive assortment of applications: classification of finishing seamless steel pipe is widely applied: 1, Finishing with seamless steel structure seamless steel tubes for general structural and mechanical structure. 2, Transmission fluid with seamless steel pipe f...Read more -
Precision Seamless Steel Tube
Precision seamless steel pipe is a cold drawn or hot-rolled after treatment of a high-precision steel pipe. As the precision seamless steel pipe inside and outside the wall of non-oxidized layer of precision seamless steel pipe, to withstand high pressure without leakage, high precision, high fin...Read more -
Rupture Phenomenon of Cold Drawn Seamless Steel Pipe
When seamless steel tubes are cold drawn, hot rolled tube defects such as cracks or the presence of high-precision drawing fuel tank is made after the fracture occurred in the course, almost no plastic deformation occurred, generally are brittle fracture. Brittle fracture is caused by a variety o...Read more -
Weld Appearance Requirements of Pressure Pipe
Before the pressure pipeline nondestructive testing, visual inspection of welds shall comply with the requirements. Pressure pipe weld appearance and surface quality of welded joints general requirements are as follows: welding should look good shape, width of each side groove edge 2mm overshadow...Read more -
Quenching Method of Steel Pipe Deformation and Crack
Austempering is to reduce the deformation of steel pipe and an effective method of quenching crack Jian, but how to properly use the process method should be based on reasonable seamless steel pipe material, size, hardness and toughness, deformation requirements, and specific working conditions t...Read more -
Galvanized Method of Seamless Steel Pipe
To meet the various requirements of the premise of increasing the use of progress, extend the life of galvanized steel, zinc coating materials are evolving. Major new coatings are: (1) A zinc-iron alloy coating. That galvanized steel after heat treatment. Such as the diffusion annealing at 500 ~ ...Read more -
How to Solve Bubble Problem of Precision Light Pipe
Heat strengthened, high impact toughness, may not be sensitive to lack. Excellent thermoplastic, high speed extrusion into a complex structure, thin-walled, hollow profiles of various, or forgings forged into complex structures. Quenching temperature range, low quench sensitivity, after extrusion...Read more -
Quality Inspection Mode of High Alloy Pipe
1. Leveling milling: After the steel sheet leveling machine anvil original curved, then through the edge milling machine for milling steel two-sided margin, so as to meet the needs of the plate width, plate edge parallelism and groove shape. 2. Cut molding: in-line along the outer edge of the pla...Read more