The Flooring Expert
Stainless steel pipe Manufacturer
According to the material, stainless steel pipe is divided into ordinary carbon steel pipe, high quality carbon structure steel pipe, alloy structure pipe, alloy steel pipe, bearing steel pipe, stainless steel pipe and bimetal composite pipe, coating and coating pipe to save precious metals and meet special requirements. There are many kinds of stainless steel tubes, different uses, different technical requirements, production methods are also different. The current production of steel pipe diameter range of 0.1-4500mm, wall thickness range of 0.01-250mm. In order to distinguish its characteristics, steel pipes are usually classified as follows.
Mode of Production
Stainless steel pipe according to the production method is divided into seamless pipe and welded pipe two categories, seamless steel pipe can be divided into hot rolled pipe, cold rolled pipe, cold drawing pipe and extrusion pipe, cold drawing, cold rolling is the secondary processing of steel pipe; Welded pipe is divided into straight seam welded pipe and spiral welded pipe.
The Section Shape
Stainless steel pipe can be divided into round pipe and special-shaped pipe according to the cross-section shape. Special-shaped tube has rectangular tube, lozenge tube, elliptic tube, hexagonal tube, eight direction tube and all sorts of section asymmetry tube to wait. Special-shaped tubes are widely used in various structural parts, tools and machinery parts. Compared with the round tube, the special-shaped tube generally has a larger moment of inertia and section modulus, has a larger bending, torsion resistance, can greatly reduce the weight of the structure, save steel.
Stainless steel pipe can be divided into equal section pipe and variable section pipe according to the longitudinal section shape. Variable section pipe has conical pipe, ladder pipe and periodic section pipe, etc.
Tube Shape
Stainless steel pipe can be divided into light pipe and wire pipe according to the state of the pipe end (with threaded steel pipe). Turning wire pipe can be divided into ordinary turning wire pipe (water, gas and other low-pressure pipe, using ordinary cylindrical or conical pipe thread connection) and special thread pipe (oil, geological drilling pipe, for important turning wire pipe, using special thread connection), for some special pipe, in order to make up for the influence of thread on the pipe end strength, The pipe end is usually thickened (inside, outside or inside) before the wire is spun.
Use Classification
It can be divided into oil well pipe (casing, tubing and drill pipe), pipeline pipe, boiler pipe, mechanical structure pipe, hydraulic prop pipe, gas cylinder pipe, geological pipe, chemical pipe (high-pressure fertilizer pipe, petroleum cracking pipe) and ship pipe.
Stainless Steel Welded Pipe Production Process
Raw material – swatch – welding pipe – end – polishing – inspection (printing) – packaging – shipment (warehousing) (decoration welded pipe).
Raw material – article points – welding pipe, heat treatment, correct, straightening, fix the end, pickling, water pressure test, inspection (spurts India) – packaging – shipment (transport) (tube) for piping weld pipe industry.
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