1.Test gold by looking at the "gold" in the sun. Gold should retain its color in the sun as well as the shade. Many metals glitter in the sun, but gold isn't one of them.

2.Stick a sharp needle or pin in the gold. If it fractures or cracks, it isn't gold. Gold is malleable, meaning it can bend and be dented but it doesn't crack easily.

3.Gold is heavy. It will sink to the bottom and stay there. If you are gold panning, a great test is to rock the pan back and forth with some water. Gold should stay at the bottom and not move around much.

4.A sure-fire way to test gold is to wear it on your skin. If your skin turns a greenish color, that isn't gold you are wearing, but more likely another metal with possibly a bit of gold content. A pure gold piece of jewelry will not react with skin.

5.Try running a magnet over the "gold." Precious metals like gold and silver are not magnetic, so if your "gold" is attracted by the magnet, that isn't a good sign. Of course, if it isn't, that doesn't guarantee it is gold. Lots of things are nonmagnetic, like wood.

6.The best way to test gold is to take it into an expert to be tested. Experts have sophisticated acid tests that can determine the exact gold content and tell you the gold price per gram and how much your item is worth.

Gold plated Tungsten Product Manufacturer & Supplier: Chinatungsten Online - http://paper-weight.cn/
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Are you looking to make a purchase or sale your gold and want to know if it is authentic. This can be a difficult process but if you follow these easy steps you will know that you are buying the real thing and not waste your money.

1.First thing you should do, which is the gold check must, is put a magnet to the gold and if it sticks you do not have real gold on your hands. Real gold is not magnetic and some of the fake gold substances are made out of this magnetic silver alloy or other metals. Gold Dealers typically use this method first.

2.Next step is to get a 10 times magnifying glass and check the edges and crevices to see any cracking or discolloration as if there were two different surfaces. Gold will not chip and wear becasue it is solid all the way through, however you may have something that is gold plated so you should not discard because it could have real value.

3.The next step is if you happen to be lucky your piece would have been stored in a container because if there is a green or black residue left behind it can be a good sign that you do not have real gold on your hands. Be careful because some rings and watches are ingraved with the 14k gold, 18 karat, and 24k gold but this can just be a stamped in symbol and I have dealt with this many times and is not a good way to judge your product.

Gold plated Tungsten Product Manufacturer & Supplier: Chinatungsten Online - http://paper-weight.cn/
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Hard carbides, especially tungsten carbide, are used by athletes, generally on poles which impact hard surfaces. Trekking poles, used by many hikers for balance and to reduce pressure on leg joints, generally use carbide tips in order to gain traction when placed on hard surfaces (like rock); such carbide tips last much longer than other types of tips.

b) While ski pole tips are generally not made of carbide, since they do not need to be especially hard even to break through layers of ice, rollerski tips usually are. Roller skiing emulates cross country skiing and is used by many skiers to train during warm weather months.

Earth Penetrator by the GPS for guidance, warhead material is usually tungsten alloy.

Aluminum tube fixed horizontally GTAW welding, copper plate butt GTAW welding austenitic steels with pearlite steel welding, stainless steel welding and other welding composite technology, teaching and the use of film as a real shooting a combination of graphics and animation manifestations visually easy to understand and master.

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Military tungsten alloy ball is made of tungsten alloy. It is small but very dense. Military tungsten alloy has high density, great hardness and non-toxicity. The metal pellets of M576 is made of military tungsten alloy ball.

The M576 is a US Army designation for a type of 40mm grenade cartridge. The M576 is a buckshot load for the M79, M203 M320 and M32 MGL grenade launchers. It was designed to give the soldier carrying a grenade launcher a powerful cartridge for close quarters combat such as found in clearing buildings, bunkers, and trenches, as well as thick vegetation.

The M576 contains 24-grain metal pellets. The XM576/XM576E1 was standardized to become the M576. Normal dispersion pattern of the M576 will put 13 of 20 pellets in a 1.5 meter circle at 40 meters. The remaining 7 pellets could be anywhere. Another test variant, the XM576E2, which had twenty seven, 24-grain metal pellets without a sabot within the shot cup was deemed to spread too quickly for effective use. Both types had a muzzle velocity of roughly 880 ft/s (268 m/s).

With the high density and hardness of military tungsten alloy ball, M576 can kill personnel efficiently in battlefield.



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Military tungsten alloy ball is made of tungsten alloy. It is small but very dense. Military tungsten alloy has high density, great hardness and non-toxicity. The fragment of RGN hand grenade is made of military tungsten alloy ball.

The RGN hand grenade is an offensive Russian fragmentation hand grenade. It consists of a single layered aluminium pre-fragmented body. It is very similar to the defensive RGO hand grenade. The grenade shell consists of two internally serrated aluminium hemispheres. The UDZS fuze has both impact and time delay functions, the impact fuze arms after a pyrotechnic delay of 1 to 1.8 seconds. If the grenade strikes an object after this time a spherical lead shot filled impact weight will trigger detonation. If the grenade has not struck anything after 3.2 to 4.2 seconds the second pyrotechnic delay will detonate the grenade. The grenade has a lethal radius of between 4 and 10 meters, and a safety radius of 25 meters. It can be thrown 30 to 40 meters. The grenade is in production in Russia and the Ukraine, and is in service with a number of other countries.

With the high density and hardness of military tungsten alloy ball, RGN hand grenade can kill personnel efficiently in battlefield.



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Military tungsten alloy ball is made of tungsten alloy. It is small but very dense. Military tungsten alloy has high density, great hardness and non-toxicity. The fragment of HG85 grenade is made of military tungsten alloy ball.

The HG85 grenade is a round fragmentation hand grenade designed for the Swiss Armed Forces and still produced by RUAG Ammotec in Switzerland. Due to its special constructed fuze and packaging, it is considered especially secure. For these reasons, it is also used in a number of other European Armies and Armies in the Middle and Far East. HG 85 is the internal designation of the Swiss Army and replaces the HG 43 from WWII.

With the high density and hardness of military tungsten alloy ball, HG85 grenade can kill personnel efficiently in battlefield.



Tungsten Heavy Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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