Seamless steel pipe with hollow section, an outsized number of used for conveying fluid pipeline, like conveying oil, fossil fuel, gas, water and a few solid material pipeline. Compared to the steel pipe and round steel solid steel bending torsional strength phase at the identical time, the burden is lighter, could be a reasonably economic cross section steel, widely utilized in the manufacture of structural and mechanical parts, like petroleum drill pipe, auto rotating shaft, bicycle frame and construction of steel scaffolding is employed with steel pipe manufacturing annular parts, like can improve material utilization, simplifying the manufacturing process, material saving and time interval, Has been widely utilized in steel pipe manufacturing.
Connection method:
1. Compression type: insert the pipe into the pipe mouth of the pipe fitting, tighten it by the nut, and compress the casing of the pipe mouth through the sealing ring with the screw force to seal the connection of the pipe.
2. Welding type: machining groove of the top of the pipe, and ring welding of the pipe with manual or automatic welding.
3, flange type: the flange and pipe for ring argon arc welding, with fast clip or bolt fastening, so the sealing pad between the flange sealing effect, complete pipe connection.
4. Clamping type: insert the pipe into the pipe fitting and use a special installation tool to clamp the pipe wall into a hexagonal shape, and therefore the internal sealing ring also changes into a hexagonal shape
5. Taper thread type: it’s the annular argon arc welding between the outer thread and therefore the piping, and also the inner thread pipe fittings are connected with the taper thread to seal the pipe connection and complete the piping connection.
Advantages of seamless steel tube:
1, seamless steel tube weight is light, its weight is simply 1/5 of square steel.
2, seamless steel pipe corrosion resistance, acid, alkali, salt and atmospheric environment corrosion, warm temperature resistance, good impact resistance and fatigue resistance, don’t need regular maintenance, effective service life can reach over 15 years;
3. The lastingness of seamless steel pipe is over 8-10 times that of ordinary steel, the modulus of elasticity is best than steel, and it’s excellent creep resistance, corrosion resistance and shock resistance.
4, seamless steel pipe excellent mechanical properties, easy machining, etc.;
5, seamless steel pipe high elasticity, within the mechanical equipment to return to use, no memory, no deformation, and antistatic.
Post time: Jan-04-2022