Products News

September 12, 2018

Protective coating for petroleum pipe

Methods for preparation and construction of protective coatings for petroleum pipelines  [57] Abstract The invention provides a protective coating for oil pipes and wellheads and downhole equipment used in oil and gas drilling, oil recovery and transportation. The protective coating comprises, by weight percentage, 55 to 95% of polyphenylene sulfide, 3 […]
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September 27, 2018

How to calculate the pressure capacity of seamless steel pipe

Seamless steel pipe calculate the pressure capacity The calculation method of the pressure bearing capacity of the seamless steel pipe is as follows. Let us choose a practical case to explain: DN=10MM, wall thickness is 3mm Let the tensile strength of the material be σ, the pressure be P, the outer diameter […]
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October 16, 2018
lsaw Heavy-Thickness-Pipes

SCH40/80 Seamless Pipe Stock , 1/2”-8”

This week our steel market has good news that the seamless steel pipes price become better. Meanwhile our USD to CNY Currency exchange rate keeps increasing. Now it’s really good chance to have cheaper steel price to do purchasing.     Besides, we have left a batch of newly seamless pipes in stock.The […]
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October 28, 2018
API 5CT N80-Q Seamless Casing Steel Pipes

How is seamless steel pipe produced?

Hot rolling seamless pipe production process: 1. Introduction to seamless steel pipe The seamless steel pipe is a circular, square, rectangular steel with a hollow section and no seams around it. The seamless steel pipe is formed by perforating a steel ingot or a solid tube blank, and then hot rolled, […]
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November 15, 2018

Seamless and ERW Stainless Steel Pipes

Seamless Steel Pipe is made from a solid round steel ‘billet’ which is heated and pushed or pulled over a form until the steel is shaped into a hollow tube. Billets are procured both from indigenous suppliers and from abroad. A steel pipe made of a single piece of metal and […]
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November 19, 2018

seamless steel tube,seamless steel pipe

The seamless steel tube is rolled by a solid tube blank after perforation. 1. Manufacturing method According to different production methods, it can be divided into hot rolled pipe, cold rolled pipe, cold drawn pipe and extruded pipe. 1.1. Hot-rolled seamless pipes are generally produced on automatic rolling mills. The […]
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December 12, 2018

Pipe Manufacturing Process

The Manufacturing Process of Seamless Pipe and Welded Pipe Seamless Pipe Manufacturing Process Seamless pipe is strongest amongst all pipes type as it has a homogeneous structure throughout pipe length. Seamless pipes are manufactured in a verity of size and schedule. However, there is a restriction on the manufacturing of large diameter pipe. Seamless […]
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December 26, 2018

A333 Grade 6 Low Carbon Steel in Pipelines – Microstructural Characterization and Hardness Properties

M. N. Ervina Efzan*, S. Kesahvanveraragu, J. Emerson   1.0 INTRODUCTION 1.1 Offshore Pipeline Material Pipelines in offshore platform are made up of various types of materials. Selection of material relies upon certain considerations such as cost, functional requirement, operating conditions of pressure and temperature, corrosion rate and so forth [1-2]. Since there […]
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January 2, 2019

Why not galvanizing after welding for steel pipe

Why not galvanizing after welding Why not avoid the whole problem of welding galvanized steel pipe sheets after galvanizing? After all, steel products are always galvanized after manufacture, because there has been no practical way to restore the galvanizing effect after welding. Zinc plating after manufacture is still conventional, but […]
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January 4, 2019

Properties of Galvanized Steel Pipe Welds

Properties of Galvanized Steel Pipe Welds Galvanizing has been used to protect iron and steel from rusting for over a hundred years in places as diverse as the wire rope used for the suspension cables on the Brooklyn Bridge to gutters on houses. Galvanizing is simply coating of zinc over […]
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January 4, 2019

Casing pipe application in high-temperature gas wells

In recent years, with the decreasing number of easily exploitable oil and gas wells, it has become necessary for oil and gas wells to go deeper on both underground and underwater. And, tubing and casing strings are subjected to higher temperature and higher pressure in these wells, which would probably […]
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January 7, 2019

Corrosion Resistance of API 5L Pipeline Steel with Coating Protection

ABSTRACT The corrosion resistances of enamel-coated steel pipe in  3.5 wt% NaCl solution was evaluated and compared with those of epoxy-coated pipe using open-circuit potential, linear po- larization resistance, and electrochemical impedance spectros- copy tests. T-001c enamel slurry and GP2118 enamel powder were sprayed to steel pipe in wet and […]
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January 8, 2019

How is the theoretical weight of spiral steel pipe calculated?

  The theoretical weight of steels is obtained by calculating nominal dimensions and density (which is called specific weight in the past). This is directly related with the steel length, the cross section area, and the allowable size deviation. Because of the allowable deviation in the process of manufacturing, the calculated theoretical weight […]
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March 26, 2019

Characteristics for grade 20

     Grade :     20   ( 20 )       Substitute:   15, 25       Classification :   High quality structural carbon steel       Chemical composition in % for grade   20   ( 20 )   C Si Mn Ni S P Cr Cu […]
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May 14, 2019

FREIGHT TRANSPORT

HEBEI HAICHUAN INTERNATIONAL FORWARDERS LIMITED Founded on August 8, 2008, HEBEI HAICHUAN INTERNATIONAL FORWARDERS LIMITED is a company subordinated to HEBEI ABTER STEEL GROUP. Holding abundant logistics knowledge and experienced professionals, the company mainly handles businesses related to international transportation such as international shipping, international air transport, commodity inspection, customs […]
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April 7, 2020

Stainless Steel Pipe Types

Stainless steel is a versatile material comprised of a steel alloy and a small percentage of chromium — the addition of chromium adds to the material’s corrosion resistance, a trait that earned stainless steel its name. Because stainless steel is also low-maintenance, oxidation resistant, and doesn’t affect other metals it […]
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April 10, 2020

How is stainless steel made of?

Stainless steel is made up of iron alloys, chromium (at least 10.5%) and other metal alloys such as nickel, titanium, copper or molybdenum. Essentially, it’s a family of heat and corrosion resistant metals combined to create an incredibly useful metal. The makeup of stainless steel varies depending on its intended […]
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April 14, 2020

Types of casing threads used

Casing and tubing strings are the main parts of the well construction. All wells drilled for the purpose of oil or gas production (or injecting materials into underground formations) must be cased with material with sufficient strength and functionality.Oil country tubular goods (OCTG) is a family of seamless rolled products […]
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April 21, 2020

Connection method of galvanized seamless pipe

The technology of plastic-lined steel pipe for galvanized seamless pipe inherits the advantages of steel pipe and plastic pipe,and the pipe is reasonably designed after comprehensive analysis according to market demand,production technology,anti-corrosion measures,connection methods,cost performance and other aspects.Therefore,galvanized seamless pipes have many technical characteristics and are widely used in hot […]
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April 23, 2020

5 Tips of looking after stainless steel

Stainless steel is durable, low maintenance and can stay looking great for many years, but it still needs to be looked after. You want it to stay stainless, so that the surface keeps it’s original lustrous look, feel and finish. The basics of stainless steel maintenance 1.Apply pickling paste– if […]
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March 18, 2021

The advantages of seamless steel tube

Seamless steel pipes are pipes with round hollow cross sections that do not have seams. They are generally factory-made using hot working steel. One of the advantages of the pipes is its growing preference. Seamless steel pipes can sustain high pressure. Generally, in welded pipes, the points of welds are […]
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March 23, 2021
Spiral welded pipe

Advantages and disadvantages of spiral steel pipe

 Spiral steel pipe is a spiral steel pipe made of strip steel or coiled plate in a spiral shape, using double-sided submerged arc active welding to weld the inner and outer seams. It can be widely used in water, electricity, and chemical industries for the following reasons In professional production: just by […]
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March 31, 2021

Some of Stainless Steel Seamless Pipe Application

Stainless steel pipe is famous for high corrosion resistance. The high corrosion resistance and high strength makes it suitable for many applications. Both the stainless steel seamless pipe and stainless steel welded pipe have a wide application in our life and industry. Here are some of the stainless steel seamless […]
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April 6, 2021

Industrial Seamless Steel Pipe Market Report: Trends, Forecast and Competitive Analysis

The future of the global industrial seamless steel pipe market looks promising with opportunities in the power generation, petrochemical, industrial plant processing, and automotive industries. The major drivers for this market are growing demand for seamless steel pipe in power generation and automotive industries due to its superior tensile strength […]
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April 9, 2021

Seamless steel pipe tips

Seamless steel pipe is a kind of long steel with a hollow section and no seams around it. The steel pipe has a hollow section and is widely used as a pipeline for transporting fluids, such as oil, Pipes for natural gas, gas, water and some solid materials, etc. Compared […]
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April 15, 2021

Dry!Do you know the cold knowledge about stainless steel welded pipe?

Stainless steel welded pipe, referred to as welded pipe, commonly used steel or steel strip after the unit and mold crimping forming welded steel pipe. Welded steel pipe has the advantages of simple production process, high production efficiency, many varieties and specifications and less equipment investment, but its general strength […]
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April 26, 2021

Straight seam submerged arc welded pipe is more suitable for long distance pipeline

Straight seam submerged arc welded pipe is a kind of JCOE steel pipe forming material. Using JCOE steel pipe forming, one weld, submerged arc welding process, specifications from 325mm to 1420mm.When the diameter of straight submerged arc welding pipe is greater than 914.4, the standard allows two straight welds.Straight-seam submerged […]
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May 6, 2021

Submerged arc welding steel pipe standard and its classification

pressure fluid conveying with spiral submerged arc welding steel pipe (SY5036-83) is mainly used in oil and gas pipeline, high pressure fluid conveying with spiral weld high-frequency welded steel pipe (SY5038-83), high frequency welding spiral weld steel pipe (hf lap method) and spiral seam high frequency welded steel pipe (pressure […]
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May 11, 2021

Definition, purpose and characteristics of ERW

ELCCTRIC REsistancc Welding (ERW) is a form of resistance Welding. After the hot rolled sheet is formed by the forming machine, the steel coil is deformed into a smooth cylindrical tube blank. When the high frequency current passes through the V-shaped load loop of the open tube blank, due to […]
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May 18, 2021

Material classification of oil transmission pipeline

1, carbon steel pipe The fixed oil pipeline multi-purpose carbon steel pipe, carbon steel pipe according to its manufacturing method can be divided into seamless steel pipe and welded steel pipe, seamless steel pipe is divided into hot rolled and cold drawing two, usually the carbon steel pipe is made […]
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June 3, 2021

The production process of SSAW

Spiral steel pipe is a kind of spiral seam steel pipe which is made of strip steel coil as raw material, often formed by warm extrusion and welded by automatic double-wire double-side submerged arc welding process. (1) raw materials that is, strip coil, welding wire, flux.They are subjected to strict […]
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June 15, 2021

Classification and application of irregular seamless steel tube

Special shaped seamless steel pipe is in addition to the round pipe other cross section shape of seamless steel pipe.According to the shape and size of the steel pipe section can be divided into equal wall thickness special-shaped seamless steel pipe (codenamed D), unequal wall thickness special-shaped seamless steel pipe […]
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June 30, 2021

Definition of casing pipe

A bushing is an insulating device that carries a live conductor into electrical equipment or through walls.The former is called electrical bushing and the latter is called wall bushing.The casing structure is generally composed of three parts: conductor (guide rod), insulator and metal flange.Conductors pass through the shaft of cylindrical […]
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July 13, 2021

The advantage of the ERW

First of all, the quality of raw materials used in ERW production has been significantly improved. The steel composition design is low in C, P, S and microalloying.The adoption of new technologies such as converter smelting, ladle refining, vacuum degassing and continuous casting in the smelting process;The appearance size, appearance […]
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July 28, 2021

API screwed steel pipe advantages and disadvantages

The advantages of API standard threads are: 1) Easy to process, general precision, easy to process and connect the related sub on the field, low cost.2) The connection under general operating conditions is easy to repair and handle on site. 3) When used with high quality sealing grease, the fluid […]
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August 25, 2021

Technical requirements for hot-dip galvanized steel tubes

Hot-dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide on the surface of the steel pipe, after the pickling, it is cleaned in a tank of ammonium chloride or zinc chloride aqueous solution or a mixed aqueous solution of ammonium chloride and zinc […]
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September 8, 2021

Damage and repair of oil and gas well casing

Oil casing is the lifeline to maintain the operation of oil wells. Due to different geological conditions, the downhole stress state is complex, and the combined action of tensile, compressive, bending and torsion stresses on the pipe body, which puts forward higher requirements on the quality of the casing itself. […]
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September 22, 2021

The manufacturing process and popularization and application of thick-walled pipe

Hot rolled (Extruded seamless steel pipe): round tube billet → heating → piercing → three-roll cross rolling, continuous rolling or extrusion → stripping → sizing (or reducing) → cooling → straightening → hydraulic test (or flaw detection) →Marking→Warehousing The raw material for rolling seamless pipes is round pipe blanks. The […]
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September 30, 2021

Common quality problems of steel pipes

The common quality problems of steel pipes are divided into the following categories: 1. The internal and external quality of steel pipes; 2. Quality problems of geometric dimensions; 3. Unqualified quality problems of physical and chemical properties; 4. Quality problems of tubing and casing threads; 5. Quality problems of users […]
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October 8, 2021

After-sales service of steel pipe products

After-sales service is not only dealing with the quality of the products sold, but also includes technical exchanges with customers, providing customers with technical support, and quality visits to expand the impact on the company’s products and achieve the expectation of opening up the market and occupying the market. Handling […]
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October 15, 2021

General term for steel pipe

General term 　　①Delivery status 　　 refers to the final plastic deformation or final heat treatment state of the delivered product. Generally, those delivered without heat treatment are called hot-rolled or cold-drawn (rolled) state or manufacturing state; those delivered after heat treatment are called heat-treated state, or normalized (normalized), quenched and […]
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October 20, 2021

Various common terms about steel

1. Standard Standards are unified regulations for repetitive things and concepts. It is based on the comprehensive results of science, technology, and practical experience, and is agreed upon by relevant parties, approved by the competent authority, and issued in a specific form as a standard and basis for mutual compliance. […]
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October 26, 2021

45# seamless steel pipe

Production process of 45# seamless steel pipe The production process of 45# seamless steel pipe includes billet preparation before rolling, pipe billet heating, piercing, rolling, sizing and reduction, steel pipe cooling, steel pipe cutting head and tail, segmentation, straightening, flaw detection, manual inspection, and printing. , Bundle packaging and other […]
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November 2, 2021

The difference between ERW, SSAW, LSAW

The production methods of seamless steel pipes are roughly divided into cross-rolling method (Mennesmann method) and extrusion method. The cross-rolling method (Mennesmann method) is to first pierce the tube blank with a cross-rolling roller, and then extend it with a rolling mill. This method has a fast production speed, but […]
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