With the physical performance, chemical performance, machinery performance and anti-twisting performance reaching the advanced international level, our anti-twisting steel products are widely used in the remote-control electric rope tension distribution construction, ordinary electric and telecom rope distribution construction, high lift of winch, ship crane, civil construction crane and other cranes, traction of barge, freight net and wood floating transport, shaft lift and so on.
Our anti-twisting galvanized wire rope has the following performance and characteristics:
It can meet all anti-revolving requirements, when the steel rope bears tension in a free state, the revolving degree is zero and the composite torque is zero.
With excellent softness and long life, the steel rope will not be knotted or twisted even after the tension is released. It can also be turned into different rope strands when applied in different construction.
Without using additional connection device, the length of steel cable is open to any requirement in a way of inserting. The inserting method can also repair any partial damage arising during operation, while the tension and softness keep unchanged.
It adopts zinc-coated aviation wire as the raw material, which enjoys the performance of high intensity and corrosion resistance.
Spiral welded pipe(SSAW pipe, also called HSAW pipe). The pipe is formed by spiral submerged arc welding technology. Spiral welded pipes are formed using narrower plates or hot rolled coils, which lowers their production costs significantly. The welding line shape like a helix. The spiral welding process permits the production of large-diameter pipes suitable for transporting large volumes of oil and gas. Some SSAW pipes were historically limited to low-pressure applications.
Cold Drawn Seamless Steel Pipe as implied is made by cold drawing a larger mother seamless pipe, which is generally manufactured through an HFS process. In the Cold Drawn Seamless process, the mother pipe is pulled through a die & plugin cold without any heating. Because of the tool on the outside and inside the surface and tolerances are better in Cold Drawn Seamless. While this is an additional process over HFS, it is necessary to get smaller size pipes that otherwise cannot be manufactured in HFS. Some applications which require close tolerances and smooth surfaces also specify the requirements to be necessarily Cold Drawn Seamless. Cold Drawn Seamless pipes & tubes are extensively used in Heat-Exchanger, Bearing & Automotive sectors. Cold drawn seamless steel pipe is used for the mechanical structure, hydraulic equipment, which has precision size, good surface finish. It can greatly reduce mechanical processing hours and improve material utilization, and improve the quality of products. High-quality cold-drawn seamless steel pipes are mainly using the 10# 20#. In addition, to ensure chemical composition and mechanical properties, it will check by the Hydrostatic test, crimping, flared, and Squashed test. Cold Drawn Seamless (CDS) as implied is made by cold drawing a larger mother seamless pipe, which is generally manufactured through an HFS process. In the CDS process, the mother pipe is pulled through a die & plugin cold without any heating. Because of the tool on the outside and inside the surface and tolerances are better in CDS. While this is an additional process over HFS, it is necessary to get smaller size pipes that otherwise cannot be manufactured in HFS. Some applications which require close tolerances and smooth surfaces also specify the requirements to be necessarily CDS. CDS pipes & tubes are extensively used in Heat-Exchanger, Bearing & Automotive sectors.
High-frequency welded pipes are generally straight-slit, but straight-slit welded steel pipes are not necessarily high-frequency welded. The high-frequency straight-slit electric resistance welded steel pipe is formed by the skin effect and the proximity effect of the high-frequency current after the hot-rolled coil plate is formed by the molding machine, and the edge of the tube blank is heated and melted, and pressure welding is performed under the action of the pressing roller to realize the production. The high-frequency resistance welded steel pipe is different from the ordinary welded pipe welding process. The weld is made of the base material of the steel strip body, and the mechanical strength is better than that of the general welded pipe. The surface is smooth, high precision, low cost, and has low weld seam height, which is beneficial to the coating of 3PE anti-corrosion coating.
The hot expanded seamless steel pipe is relatively low density but the contraction of the strong seamless steel pipe can be referred to as thermal expansion. The roughing finishing process for expanding the diameter of a pipe by a cross-rolling method or a drawing method. Steel pipe thickening in a short period can produce non-standard and special types of seamless tubes with low-cost and high production efficiency, the current international developments in the field of tube rolling.
Longitudinal submerged arc welded is produced by using a single medium and thick plate as the raw material, pressing (rolling) the steel plate in a mold or forming machine into a tube blank, using double-sided submerged arc welding, and expanding the diameter. The steel plate feed amount can be automatically adjusted according to different steel grades, wall thicknesses, and plate widths. At the same time, the deformation compensation function effectively avoids the adverse effects of mold deformation on the forming and ensures the flatness of the full length of the steel plate during the pressing process. The feeding step is uniform during forming, ensuring the roundness of the tube blank and the flatness of the welding edge. The finished product has a wide range of specifications, and the weld has good toughness, plasticity, uniformity, and compactness. It has the advantages of large pipe diameter, pipe wall thickness, high-pressure resistance, low-temperature resistance, and strong corrosion resistance.
Spiral welded pipe(SSAW pipe, also called HSAW pipe). The pipe is formed by spiral submerged arc welding technology. Spiral welded pipes are formed using narrower plates or hot rolled coils, which lowers their production costs significantly. The welding line is shaped like a helix. The spiral welding process permits the production of large-diameter pipes suitable for transporting large volumes of oil and gas. Some SSAW pipes were historically limited to low-pressure applications.
All Standard Carbon And Stainless Steel Pipe And Steel Plates And Steel Pipe Fittings, Tubing And Casing Etc.
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carbon seamless steel pipes/welded steel pipes
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A steel pipe made of a single piece of metal with no seams on its surface is called a seamless steel pipe. According to the production method, the seamless pipe is divided into a hot rolled pipe, a cold rolled pipe, a cold drawn pipe, an extruded pipe, a top pipe, and the like.
Product Specification :
Product Name: API 5L Hot Rolled Carbon Seamless Steel Pipes
Definition: Line pipe is a type of steel pipe that is used for transporting materials through pipelines across the country
Manufacture Type: seamless steel pipe ,welding steel pipe
Fastener type of welding steel pipe: UOE,JCOE
Standard: API 5L,ISO3183,Gread A,Gread B
Pressure class: PSL 1,PSL 2
Material:
PLS1:A/L210,B/L245,X42/L290,X46/L320,X52/L360,X56/L390,X60/L415,X65/L450,X70/L485 PLS2:L245N/Q,L290R/N/Q,L320N/Q ,L360N/Q ,L390N/Q ,L415N/Q ,L450N/Q ,L485N/Q ,
Connection: Welding,Coupling connection,Socket connection
Type of End: Plain-end ,threaded end ,the socket end,bevelled ends
Surface Treatment: Black Painting,Galvanised (hot dipped ),Cold Galvanized ,Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customers requirement .
length Range: Fixed:3, 5.8, 6, 12m ,SINGLE RANDOM, DOUBLE RANDOM & CUT LENGTH
Application: Transport petroleum, natural gas, oil, and water
Size Range: OD:88.9-1626mm ,WT:6-20mm
Certification: API 5CL, GOST, ISO9001, ISO14001,OHSMS18000
Testing: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Testing Report: SGS, BV etc. 3rd Party Testing Report is available .
Customized Size: Non-standard size can be customized as per customer's request.
Advantages we have:
A. Experienced steel pipe products supplier: more than 30 years of manufacturing and selling experience in domestic .
B. Factory recognized by CE/BV/ISO9001, ISO14001,OHSMS18000 and so on.
C. Our factory has been audited by customers all over the world, also our products was always inspected by the third inspection parties, such as SGS, BV etc.
D. API 5L PSL1,PSL2 ect special type of thread manufactured. Various grade for you option.
E. Provide perfect after-sales service, be responsible for each problem encountered
What can I do for you?
A. Stable quality with advanced equipments and all raw materials comes from state-owned mill in China.
B. Competitive price , Not cheapest but the lowest at the same quality.
C. Good service one-stop service, besides the line pipe, we can also other relative steel pipe and pipe fittings to you.
D. Delivery time on-time delivery, lots of stock for standard size pipes.
E. Customized ,small/trail order and mixed order are welcomed.
Permanent Steel Manufacturing Co.,Ltd has been committed to being a major supplier of quality kinds of carbon steel pipe, stainless steel tube, hollow section, numerous types of piping equipments including Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc.
