steel wire rope price free sample

Nantong Fasten Metals Products Co., LTD is located in the coastal open city—Nantong which is in the lower area of the Yangtze River. We are a professional corporation which produces a variety of standards and types of galvanized steel wire rope, ungalvanized steel wire rope, steel-wire, stranded wire and spring steel wire. Our products mainly exported to Southeast Asia, the United States, Europe, the Middle East, Africa and other countries.

US Producer Price Index: Metals and Metal Products: Ferrous Wire Rope, Cable, Forms Strand is at a current level of 374.05, up from 373.69 last month and up from 316.95 one year ago. This is a change of 0.09% from last month and 18.02% from one year ago.

The global bright steel wire rope market is significantly supported by the steel wire rope industry, which attained USD 8.4 billion in 2020. The market is projected to grow at a CAGR of 3.4% between 2021 and 2026.

In recent years, the bright steel wire rope consumption and sales in the countries of the Asia Pacific region, especially in China, Indonesia, and India, have been high. For the global market for bright steel wire rope, North America and Europe are the main regions as they are prominent end users of the oil and gas industry. Bright steel wire rope factories are primarily based in China, India, the United States, Germany and Japan. The bright steel wire rope industry is expected to see a strong growth pattern during the projected period in the Asia Pacific countries, such as China, India, Indonesia, Thailand and Malaysia. China has witnessed significant growth in the demand for bright steel wire rope over the last decade, which can be due to the growth in steel production and investment in infrastructure where lift and motion applications are involved. This is expected to boost the overall market of bright steel wire rope in the forecast period as well.

Bright steel wire rope refers to general wire rope without surface coating. It is free from zinc, tin, copper, and other kinds of metallic coatings. So, they are generally lubricated with grease to prevent deterioration of the wire cord.

The global demand for bright steel wire ropes is dominated by the oil and gas, shipping, and mining sectors. It is predicted that steel wire rope producers will concentrate on economies with substantial steel production and imports. Bright steel wire rope producers have seen rapid growth in revenue since the crude oil crisis and there are a rising number of ventures related to oil extraction, coal mining, and other mineral and industrial drilling. The rainy season causes hinderance in the use of bright steel wire cords. Lack of manpower and lack of employee expertise are other primary obstacles to the development of the global bright steel wire rope industry.

The report gives a detailed analysis of the following key players in the global bright steel wire rope market, covering their competitive landscape, capacity, and latest developments like mergers, acquisitions, and investments, expansions of capacity, and plant turnarounds:

A: We are wire rope & steel cable factory and manufacturer.Our main products are galvanized steel wire rope,plastic coated steel cable and iron steel strand,etc.

A: We are factory,so sufficient stock,diversified and professional export package and content methods let our wire ropes have shorter delivery time,more excellent service for pre-sale & on-sale,and make “LKS” wire ropes more suitable for long time transportation.

Generally it is 1-3 days if our wire ropes are in stock. Or it is 15-20 days if wire ropes you want to purchase are not in stock.It is according to your order quantity.

A: Yes. We are a professional manufacturer of steel cable & wire rope with 40+ years producing experience in China .We have always been cooperating with domestic and overseas customers and partners with the first- class quality and service to make great achievements. If this is your first time to contact us, please trust us, we’ll not let you down.

Wire rope and cable are each considered a “machine”. The configuration and method of manufacture combined with the proper selection of material when designed for a specific purpose enables a wire rope or cable to transmit forces, motion and energy in some predetermined manner and to some desired end.

Two or more wires concentrically laid around a center wire is called a strand. It may consist of one or more layers. Typically, the number of wires in a strand is 7, 19 or 37. A group of strands laid around a core would be called a cable or wire rope. In terms of product designation, 7 strands with 19 wires in each strand would be a 7×19 cable: 7 strands with 7 wires in each strand would be a 7×7 cable.

Materials Different applications for wire rope present varying demands for strength, abrasion and corrosion resistance. In order to meet these requirements, wire rope is produced in a number of different materials.

Stainless Steel This is used where corrosion is a prime factor and the cost increase warrants its use. The 18% chromium, 8% nickel alloy known as type 302 is the most common grade accepted due to both corrosion resistance and high strength. Other types frequently used in wire rope are 304, 305, 316 and 321, each having its specific advantage over the other. Type 305 is used where non-magnetic properties are required, however, there is a slight loss of strength.

Galvanized Carbon Steel This is used where strength is a prime factor and corrosion resistance is not great enough to require the use of stainless steel. The lower cost is usually a consideration in the selection of galvanized carbon steel. Wires used in these wire ropes are individually coated with a layer of zinc which offers a good measure of protection from corrosive elements.

Cable Construction The greater the number of wires in a strand or cable of a given diameter, the more flexibility it has. A 1×7 or a 1×19 strand, having 7 and 19 wires respectively, is used principally as a fixed member, as a straight linkage, or where flexing is minimal.

Selecting Wire Rope When selecting a wire rope to give the best service, there are four requirements which should be given consideration. A proper choice is made by correctly estimating the relative importance of these requirements and selecting a rope which has the qualities best suited to withstand the effects of continued use. The rope should possess:Strength sufficient to take care of the maximum load that may be applied, with a proper safety factor.

Strength Wire rope in service is subjected to several kinds of stresses. The stresses most frequently encountered are direct tension, stress due to acceleration, stress due to sudden or shock loads, stress due to bending, and stress resulting from several forces acting at one time. For the most part, these stresses can be converted into terms of simple tension, and a rope of approximately the correct strength can be chosen. As the strength of a wire rope is determined by its, size, grade and construction, these three factors should be considered.

Safety Factors The safety factor is the ratio of the strength of the rope to the working load. A wire rope with a strength of 10,000 pounds and a total working load of 2,000 pounds would be operating with a safety factor of five.

It is not possible to set safety factors for the various types of wire rope using equipment, as this factor can vary with conditions on individual units of equipment.

The proper safety factor depends not only on the loads applied, but also on the speed of operation, shock load applied, the type of fittings used for securing the rope ends, the acceleration and deceleration, the length of rope, the number, size and location of sheaves and drums, the factors causing abrasion and corrosion and the facilities for inspection.

Fatigue Fatigue failure of the wires in a wire rope is the result of the propagation of small cracks under repeated applications of bending loads. It occurs when ropes operate over comparatively small sheaves or drums. The repeated bending of the individual wires, as the rope bends when passing over the sheaves or drums, and the straightening of the individual wires, as the rope leaves the sheaves or drums, causing fatigue. The effect of fatigue on wires is illustrated by bending a wire repeatedly back and forth until it breaks.

The best means of preventing early fatigue of wire ropes is to use sheaves and drums of adequate size. To increase the resistance to fatigue, a rope of more flexible construction should be used, as increased flexibility is secured through the use of smaller wires.

Abrasive Wear The ability of a wire rope to withstand abrasion is determined by the size, the carbon and manganese content, the heat treatment of the outer wires and the construction of the rope. The larger outer wires of the less flexible constructions are better able to withstand abrasion than the finer outer wires of the more flexible ropes. The higher carbon and manganese content and the heat treatment used in producing wire for the stronger ropes, make the higher grade ropes better able to withstand abrasive wear than the lower grade ropes.

Effects of Bending All wire ropes, except stationary ropes used as guys or supports, are subjected to bending around sheaves or drums. The service obtained from wire ropes is, to a large extent, dependent upon the proper choice and location of the sheaves and drums about which it operates.

A wire rope may be considered a machine in which the individual elements (wires and strands) slide upon each other when the rope is bent. Therefore, as a prerequisite to the satisfactory operation of wire rope over sheaves and drums, the rope must be properly lubricated.

Loss of strength due to bending is caused by the inability of the individual strands and wires to adjust themselves to their changed position when the rope is bent. Tests made by the National Institute of Standards and Technology show that the rope strength decreases in a marked degree as the sheave diameter grows smaller with respect to the diameter of the rope. The loss of strength due to bending wire ropes over the sheaves found in common use will not exceed 6% and will usually be about 4%.

The bending of a wire rope is accompanied by readjustment in the positions of the strands and wires and results in actual bending of the wires. Repetitive flexing of the wires develops bending loads which, even though well within the elastic limit of the wires, set up points of stress concentration.

The fatigue effect of bending appears in the form of small cracks in the wires at these over-stressed foci. These cracks propagate under repeated stress cycles, until the remaining sound metal is inadequate to withstand the bending load. This results in broken wires showing no apparent contraction of cross section.

Experience has established the fact that from the service view-point, a very definite relationship exists between the size of the individual outer wires of a wire rope and the size of the sheave or drum about which it operates. Sheaves and drums smaller than 200 times the diameter of the outer wires will cause permanent set in a heavily loaded rope. Good practice requires the use of sheaves and drums with diameters 800 times the diameter of the outer wires in the rope for heavily loaded fast-moving ropes.

It is impossible to give a definite minimum size of sheave or drum about which a wire rope will operate with satisfactory results, because of the other factors affecting the useful life of the rope. If the loads are light or the speed slow, smaller sheaves and drums can be used without causing early fatigue of the wires than if the loads are heavy or the speed is fast. Reverse bends, where a rope is bent in one direction and then in the opposite direction, cause excessive fatigue and should be avoided whenever possible. When a reverse bend is necessary larger sheaves are required than would be the case if the rope were bent in one direction only.

Stretch of Wire Rope The stretch of a wire rope under load is the result of two components: the structural stretch and the elastic stretch. Structural stretch of wire rope is caused by the lengthening of the rope lay, compression of the core and adjustment of the wires and strands to the load placed upon the wire rope. The elastic stretch is caused by elongation of the wires.

The structural stretch varies with the size of core, the lengths of lays and the construction of the rope. This stretch also varies with the loads imposed and the amount of bending to which the rope is subjected. For estimating this stretch the value of one-half percent, or .005 times the length of the rope under load, gives an approximate figure. If loads are light, one-quarter percent or .0025 times the rope length may be used. With heavy loads, this stretch may approach one percent, or .01 times the rope length.

The elastic stretch of a wire rope is directly proportional to the load and the length of rope under load, and inversely proportional to the metallic area and modulus of elasticity. This applies only to loads that do not exceed the elastic limit of a wire rope. The elastic limit of stainless steel wire rope is approximately 60% of its breaking strength and for galvanized ropes it is approximately 50%.

Preformed Wire Ropes Preformed ropes differ from the standard, or non-preformed ropes, in that the individual wires in the strands and the strands in the rope are preformed, or pre-shaped to their proper shape before they are assembled in the finished rope.

This, in turn, results in preformed wire ropes having the following characteristics:They can be cut without the seizings necessary to retain the rope structure of non-preformed ropes.

They are substantially free from liveliness and twisting tendencies. This makes installation and handling easier, and lessens the likelihood of damage to the rope from kinking or fouling. Preforming permits the more general use of Lang lay and wire core constructions.

Removal of internal stresses increase resistance to fatigue from bending. This results in increased service where ability to withstand bending is the important requirement. It also permits the use of ropes with larger outer wires, when increased wear resistance is desired.

Outer wires will wear thinner before breaking, and broken wire ends will not protrude from the rope to injure worker’s hands, to nick and distort adjacent wires, or to wear sheaves and drums. Because of the fact that broken wire ends do not porcupine, they are not as noticeable as they are in non-preformed ropes. This necessitates the use of greater care when inspecting worn preformed ropes, to determine their true condition.

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The global steel wire market size is expected to grow from $84.9 billion in 2021 to $88.67 billion in 2022 at a compound annual growth rate (CAGR) of 4.4%. The global steel wires market size is expected to grow to $105.82 billion in 2026 at a CAGR of 4.5%.

A major factor propelling the steel wire market is the growing use of steel wire in the construction, automotive, and aviation industries. Steel wire demand is being sparked by rising urbanization and an increase in the need for flexible, high-quality wire. It is projected that improved automobile performance, affordable production technology, and enhanced production methods will drive the market in the near future.

The primary restraint on the steel wire industry is the growing use of plastic ropes in place of steel ropes in various applications. The widespread availability of plastic and hybrid ropes as alternatives to steel ropes, however, is a significant factor impeding the growth of the market"s revenue. Cranes, elevators, and other structures are made of steel ropes, but small and medium-sized businesses are switching to the aforementioned substitutes because of supply chain disruptions and the cost-effectiveness of making plastic and hybrid ropes. In addition, the steel wire industry outlook states that using plastic ropes instead of steel ropes dramatically lowers product weight, plus improves stability and equipment load.