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Characteristics and industrial process of stainless steel tee

by:Mayer     2021-08-15
Stainless steel tee is a kind of pipe fitting used at the branch of pipeline. For the manufacture of tee joints with seamless pipes, the currently commonly used processes include hydraulic bulging and hot press forming. Hot press forming: stainless steel tee hot press forming is to flatten a tube blank larger than the diameter of the tee to the size of the tee diameter, and open a hole in the stretched branch tube; the tube blank is heated and placed in the forming die , And insert a punching die for stretching the branch pipe into the tube blank; the tube blank is radially compressed under the action of pressure, and the metal flows in the direction of the branch tube during the radial compression process and forms a branch tube under the stretching of the die. The whole process is formed by the radial compression of the tube blank and the stretching process of the branch tube. Different from the hydraulic bulging tee, the metal of the hot-pressed tee branch is compensated by the radial movement of the tube blank, so it is also called the radial compensation process. As the tee is pressed after heating, the tonnage of equipment required for material forming is reduced. Hot-pressed stainless steel tees have wide adaptability to materials, and are suitable for low-carbon steel, alloy steel, and stainless steel materials; especially tees with large diameters and thicker pipe walls, usually using this forming process. Butt-welded stainless steel tees are steel hot-pressed or forged elbows. Its connection form is to directly butt-weld the tee with the steel pipe. The main manufacturing standards for butt-welded tees are generally GB/T12459, GB/T13401 , ASME B16.9, SH3408, SH3409, HG/T21635, HG/T21631, SY/T0510. Butt welding tee is pipe fittings and pipe connectors. Used in the branch pipe of the main pipeline. Butt welding tee adopts cold working or hot working methods such as bending, extrusion, pushing, molding, machining, etc. to form high-pressure tee. Product materials: carbon steel, alloy steel, stainless steel. Packing method: pallet, wooden box, bag, or bulk. Special packaging can be made according to customer requirements. Mode of transportation: picking goods, bicycle. It depends on the quantity of goods. Product use: marine, petroleum, petrochemical, shipbuilding, electricity, heat, natural gas, dairy, beer, beverage, water conservancy and other projects. Note: Carbon steel: 20#, A3, Q235, 16Mn, ASTM A234, ASTM A105, etc. Alloy steel: P5, P9, P11, P22, P92, 12Cr1MoV, 15Mo3, 15CrMo, Cr5Mo, Cr9Mo, 15CrMoG, 22CrMoG, 10CrMo910, etc.
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