Gold Plated Tungsten Price

How to Place Fishing Sinkers to the Line 1

Details: Category: Tungsten Information; Published on Monday, 22 September 2014 09:17; Written by Sherry; Hits: 541

If you use light bait such as a worm or an insect, you will find that your hook will float at the top of the water and it is difficult to attract any fish. A popular method of getting your hook to submerge further in the water is to use fishing sinkers. These small metal balls are easily placed on the line and increase your chances of catching a fish. So it is critical to place a suitable fishing sinker onto your fishing rigs, it is so easy that you can do it yourself if you have the necessary things, such as fishing line, scissors and sinkers and sometimes you need a snap swivel.

First remove your hook from the fishing line. You will not be able to place your fishing sinkers without a free end of fishing line to utilize. Use a pair of scissors to trim the hook off your line.

Run a line through one of your fishing sinkers. Most style of sinkers have a hole running through the middle of them. This is for securing it to the line. Thread the fishing line through the hole until several inches worth of line are fed out the opposite end of the sinker.

how-to-tie-sinker-to-line

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Tungsten Alloy Bar Applications

Details: Category: Tungsten Information; Published on Friday, 19 September 2014 15:50; Written by jwy; Hits: 507

Tungsten has about the same electrical conductivity and resistivity, coefficient of thermal expansion, and about the same resistance to corrosion by mineral acids as molybdenum. Tungsten is high strength at temperatures above 2,000Â°F, but because the melting point is higher, it retains significant strength at higher temperatures. The elastic modulus for tungsten is about 25% higher than that of molybdenum, and its density is almost twice that of molybdenum. All commercial unalloyed tungsten is produced by powder-metallurgy methods; it is available as rod, wire, plate, sheet, and some forged shapes. For some special applications, vacuum-arc-melted tungsten can be produced, but it is expensive and limited to relatively small sections.

Several tungsten alloys are produced by liquid-phase sintering of compacts of tungsten powder with binders of nickel-copper, iron-nickel, iron-copper, or nickel-cobalt-molybdenum combinations; tungsten usually comprises 85 to 95% of the alloy by weight. These alloys are often identified as heavy metals or machinable tungsten alloys. In compact forms, the alloys can be machined by turning, drilling, boring, milling, and shaping; they are not available in mill product forms because they are unable to be wrought at any temperature.

Typical Applications include weights and counterbalances for aircraft control surfaces and rotor blades, guidance platforms, counterbalances for fly wheels, turbines and engine crankshafts, vibration damping governors, filaments, and fuse masses. Other applications include radiation shielding, gyro rotors, weapons including armor piercing applications, and high temperature tooling.

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Tungsten Bar Physical Property

Details: Category: Tungsten Information; Published on Friday, 19 September 2014 14:59; Written by jwy; Hits: 539

Tungsten bar is mainly used to found ingredient of material, cutter and heads, tungsten wire for lights instruments, electric contact points and conductor of heat, crankshaft and cylinder barrel of advanced automobile, ingredient of kinds of heat-resistant steel. Also used for making special steels, to make guns, artillery rockets, satellite airplane and ship. Tungsten bars have a luster rather like that of silver in uniform color. Though the whole tungsten bars may slightly curve, the maximum height of the bend should not be more than 7mm.

The density for W2, W3 tungsten bars is more than 17.5g/cm3.

Measured data for the section grain size of W2, W3 can be provided. If the buyer has any other special demand, it can be discussed on the base of mutual negotiation.

Quality Guarantee: The buyer should take an acceptance inspection on the goods in accordance with this standard in three months from the day of getting the goods. If the inspecting results do not meet the grade criteria set on the Quality Guarantee, the products is still regarded as unqualified after the unsuccessful mutual test.

Package: The products should be package in wooden boxes with inner shaped foam,6-12 pieces and 40kgs max. net each. Transportation: During the transportation, the goods should be moisture proof and clear of violent collision. Storage: Storage place: dry, ventilated, acid & alkali proof, anti-oxidant. The storage time should be limited in six months.

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Tungsten Bar Introduction

Details: Category: Tungsten Information; Published on Friday, 19 September 2014 15:12; Written by jwy; Hits: 1746

Tungsten bar with impurities is used to procedure bulb filaments or electron tube filaments, which are guaranteed to have remarkable resistance to high temperature. Tungsten metal is lustrous and silvery white in colour, and does not occur naturally (it has an abundance of 1 ppm in the earth's crust). It is found in the ore Wolframite, a tungstate of iron and manganese, (FeMn)WO4, which is converted to the trioxide and then reduced to the metal by reduction in hydrogen (carbon cannot be used as the very stable carbide would result). Tungsten metal is relatively inert, resisting attack by oxygen, acids and alkalis, although it will react with fused, oxidising alkali media. It has the highest melting point of all metals and, when pure, it can be worked with relative ease; however, the presence of impurities renders tungsten extremely brittle and, therefore, difficult to fabricate.

The high melting point of tungsten makes it suitable for use as electric filaments (e.g. in electric light bulbs). It is also the basis of a range of alloys containing tungsten, copper and nickel which are used for radiation shielding as they provide a 50% increase in density compared to lead. Tungsten and its alloys also find uses in military applications (e.g. armour and shells), as well as counter-balance materials. Tungsten carbide powder (with possible additions of titanium and tantalum carbides) along with nickel or cobalt powders, are compressed and sintered to produce cemented carbides. These products are used in place of high speed steel to form the tip of cutting and drilling tools, or for parts which will be subjected to heavy useage.

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How to Make Tungsten Gold plated Bar?

Details: Category: Tungsten Information; Published on Friday, 19 September 2014 14:52; Written by jwy; Hits: 540

Start with a tungsten alloy about 1/8-inch smaller in each dimension than the tungsten alloy gold bar you want, then cast a 1/16-inch layer of real pure gold all around it. This product would feel right in the hand, and tungsten alloy gold bar would have a dead ring when knocked as gold should. tungsten Gold plated bar would test right chemically, weigh exactly the right amount, and also pass an x-ray fluorescence scan, the 1/16" layer of pure gold being enough to stop the x-rays from reaching any tungsten.The appliances of Chinatungsten tungsten gold plated bar and tungsten alloy fake gold bar as gold substitution.

Tungsten alloy gold bar and tungsten gold plated bar as a gold substitution could be regarded as the special present for some fields. If you are a broker in stock, manager in a big bank or insurance company, you can use Chinatungsten tungsten alloy gold plated bar engraved with your company's name as souvenirs to your VIP customers. It is a very decent present without costing too much, and also could attract more customers for your business.

Tungsten gold plated bar is the best choice if you are a gold dealer and attend some trade fair or put your gold products in the showcase. In case your real gold being stolen, you can choose gold substitution, tungsten alloy gold plated bar to reduce any possible loss.

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