Rare Earth News

Mine Tales: Tungsten, Once Mined Here, Now an Import

Details: Category: Tungsten's News; Published on Friday, 29 August 2014 14:51

Tungsten’s hardness at elevated temperatures, tensile strength, corrosion resistance and good electrical and thermal conductivity make it a metal of choice used in industry. Tungsten has the highest melting point of all metals, at 6,170 degrees Fahrenheit (3,410 Celsius).

Tungsten minerals include wolframite, scheelite, powellite, cuprotungstite and tungstite. Wolframite and scheelite — the two main commercial ores — are often found in quartz veins and contact metamorphic scheelite deposits.

First discovered and isolated from its ore minerals in the 1780s, it was used chiefly in the manufacture of steel in the 19th century. By the 20th century, armor-piercing shells, electronics, high-speed tool steels and nuclear and aerospace applications increased demand for tungsten carbide.

Some states known for their tungsten deposits are California, Colorado, Montana, Utah and Arizona. Wolframite (Fe, Mn) WO4 was first identified in Arizona by territorial geologist W.P. Blake in 1896.

Arizona’s early tungsten mines included the Little Dragoon Mountains, started in 1900, and the Las Guijas district in Pima County, in 1901. Before World War I, the Blue Bird Mine in the Little Dragoon Mountains produced a record 2,200-pound nearly pure specimen of the wolframite tungsten mineral huebnerite.

Arizona’s most productive tungsten locality, the Boriana Mine in the Hualapai Mountains of Mohave County, 20 miles southeast of Kingman, yielded 149,000 units of tungsten trioxide (WO3) between 1915 and its closure in 1956.

Operated by the Yucca Tungsten Mining Co., which erected a 50-ton mill at the site, it was the largest producer of tungsten in Arizona during World War I. The Boriana Mining Co. acquired the mine in 1929. The Boriana Mine became the second-largest producer of tungsten in the United States in 1936-37, with a monthly output of 3,000 tons a month.

By the start of World War II, the mine consisted of 16,000 feet of workings with seven levels of drifts and received electric power from a transmission line from Boulder (later Hoover) Dam.

The Huachuca Mountains in Cochise County, notably the Hartford Mining District, was mined for tungsten found in skarns (metamorphic rock), veins or pegmatites (igneous rock).

Initially worked for gold and silver since the 1870s, 170 or more tons of tungsten concentrates varying between 60 percent to 78 percent WO3 had been produced by 1970 from mines including the Tungsten Reef Mine and James Group.

A small camp known as Reef was established in 1901 and lasted until 1926 with a post office, boarding house and population of 100.

In the early 1900s, W.F. Cody — better known as “Buffalo Bill” — worked 45 claims for gold and tungsten spread across 2,000 acres around Oracle known as the Campo Bonito District.

Scheelite, which turns bright blue under ultraviolet black light, was mined by the Cody-Dyer Arizona Mining & Milling Co. and shipped as an additive to a Pittsburgh steel company.

Thomas Edison used the high-grade tungsten ore mined by Cody’s operation, including the Maudina Tungsten and Pure Gold Tungsten Mines, in the manufacturing of tungsten filament light bulbs.

By 1965, total tungsten production in Arizona amounted to 280,000 short ton units WO3. Since the early 2000s, tungsten mines in China have supplied 85 percent of the world market, with Russia and Canada the next-greatest producers at a distant 4 percent and 3 percent, respectively.

The United States — the world’s largest tungsten consumer — stopped mining tungsten in 2000 with the closure of the Pine Creek Mine near Bishop, California, and now relies on imports or recycled scrap.

With a volatile geopolitical market coupled with new technologies in the 21st century, perhaps heightened domestic demand will renew exploration and exploitation of Arizona’s widely distributed tungsten deposits.

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Ferrotungsten difficult market transactions, greater pressure smelter home

Details: Category: Tungsten's News; Published on Thursday, 28 August 2014 15:05

Ferrotungsten difficult market transactions, large smelter family pressure, on the one hand from the State Environmental Protection in depth, on the other hand the downstream demand continues to slump. The current rate is still low smelter home starts continue to maintain production of the manufacturers also only keep a small amount of production. It is understood that Dan Cheng Xin production run, the current daily production capacity is only 5 tons.

Ferrotungsten manufacturers more in environmental protection and rectification, minimize the cost of procurement of raw materials become more cautious. Currently manufacturers mostly old customer oriented, thinly traded, and the transaction price is slightly Yindie overall decline in the 500-1000 yuan / ton in mid-August were sold last week, only slightly. It is understood that 70 ferrotungsten cash price hovering at 17.2-17.3 yuan / ton nearby.

European tungsten City still down, domestic scrap tungsten market stability maintenance

Details: Category: Tungsten's News; Published on Thursday, 28 August 2014 15:03

Overseas tungsten City is still a steady decline. On the 27th evening MB Rotterdam ferrotungsten offer 39.7-40.7 U.S. dollars / kg tungsten, steady; paratungstate European offer of $ 350-360 / t degrees, the overall decline $ 10; Hong Kong offer remains at $ 358-370 / t degrees. Although the European summer break has ended, but still have not seen the release of overseas downstream demand, market trading atmosphere is still deserted, often causing prices dropping, expected short-term overseas market will remain difficult tungsten city better.

Tungsten steel scrap prices firm holding stability. Currently scrap tungsten drill mainstream price excluding tax concentrated in the 189-190 yuan / kg, domestic waste tungsten blade 168.5-170 yuan / kg, imported waste and scrap tungsten blade drawing die is still concentrated in the 178-180 yuan / kg. Recent tungsten steel scrap trading volume has decreased, but the business mentality still strong, the price adjustment will is not strong, short-term and more will continue to stabilize. Grinding material purchase price 30-40 degrees W content focused on the 1.45-1.5 yuan / kWh, 50-70 degrees concentrated in the 1.55-1.65 yuan / kWh, more than 70 degrees concentrated in the 1.65-1.71 yuan / kWh. A time when the end, tungsten concentrate prices stabilized, scrap tungsten materials business mentality slightly by the support. Currently waiting to see the introduction of multi-month miners guided tungsten concentrate agency is expected no short-term market fluctuations.

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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Export Statistic of Ferro Tungsten in July. 2014, China

Details: Category: Tungsten's News; Published on Thursday, 28 August 2014 14:53

Product：Ferrotungsten 72028010

Unit：mtUSD

Source：China Customs

Countries	Volume in July	Value in July	Total Volume through July	Total Value through July
Total	21.000	843,441	328.500	13,867,948
Japan	21.000	843,441	327.500	13,818,998
S Korea	0.000	0	1.000	48,950

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
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Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
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Overseas Ferro Tungsten Price Drooped to the Lowest Level

Details: Category: Tungsten's News; Published on Thursday, 28 August 2014 14:47

European ferro tungsten price stood at USD39.7-40.7/kgW, which has fallen to the lowest level in 17 months. What’s more, it marked the first time that FeW price fell below USD40/kgW since March, 2013. The price of last August was USD48-49/kgW.

Some sellers offered low numbers, liquidating stock. The offer from China was higher, which was determined by domestic price. But European price was rather low, close to cost line, which suggested resistance to further drop.

A ferro tungsten exporter from Jiangxi said that they have yet to receive orders from Japanese customers, and they consumed original inventory for the first time.

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Chinese Tungsten Concentrate Price Edged Down due to Negative Purchasing

Details: Category: Tungsten's News; Published on Thursday, 28 August 2014 14:42

Chinese tungsten concentrate was offered at RMB106,000-107,000/mt (USD17,377-17,540/mt, export duty excluded), as downstream demand was depressed. Some miners with high stock had to drop offer, while others were watchful.

A tungsten concentrate miner from Hunan offered RMB109,000/mt (USD17,868/mt, export duty excluded), and only sold materials to Minmetals. Minmetals decreased buying volumes, and real transaction price slipped slightly. It is expected that W concentrates future market would keep steady, and rely on indication floor price next month.

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Inventory and capital double pressure, tungsten prices uplink power

Details: Category: Tungsten's News; Published on Wednesday, 27 August 2014 17:16

Tungsten downstream market consumption weakness, mine normal start, in the dual pressure of inventory and capital, tungsten prices weak, because shippers sell, the current market of tungsten concentrate temporarily Dimensional stability operation, market wait-and-see sentiment strong.

It is understood, tungsten concentrate 60 degrees above the shippers demand concentrated in the 10.3-10.5 yuan / ton, buyers inquiry concentrated in the 10-10.2 yuan / ton, the actual transaction in tungsten concentrate 55-60 bid for 10.1-10.2 yuan / ton (invoice to pay the whole or the goods to pay more than eighty percent of the money). It is understood, Jiangxi, Hunan all has the smelting factories in 10-10.2 yuan / ton this price purchase dozens of tons, or hundreds of tons of tungsten concentrate.

Tungsten products continue to maintain a stable potential, powder is closer to the high price

Details: Category: Tungsten's News; Published on Wednesday, 27 August 2014 17:14

Tungsten powder and tungsten carbide market price rise. At present, the actual transaction price of mainstream concentrated in between 254-256 yuan /kg, compared to the previous rose 1 yuan /kg. Low price has decreased, but not the price, price gap narrowed further, there were no obvious improvement, but tungsten concentrate prices stabilize, powder business's price will be stronger, short-term or temporary steady watching.

Steel bars offer still concentrated in the vicinity of 270 yuan /kg, 285 yuan /kg of high purity tungsten rod, tungsten electrode polished rod is 405 yuan /kg, 360 yuan /kg black tungsten rod. Due to lack of tungsten concentrate prices rise, tungsten products business pricing power, price had to continue to maintain stability, lower still on-demand procurement. Expected short-term tungsten products market will continue to maintain a stable potential multi.

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Export Statistics of Tungsten Trioxide in May 2014

Details: Category: Tungsten's News; Published on Wednesday, 27 August 2014 11:52

Tungsten trioxide is a kind of yellow powder, and insoluble in water, but soluble in alkali, slightly soluble in acid. It is used for high melting point alloy and cemented carbide, tungsten wire and fire prevention materials etc, which has very extensive application, and is very popular in the field of production and processing.

In addition, China is a power in producing tungsten, occupied a large proportion all over the worldwide, which makes our country have great superiority to tungsten trioxide export.

The following is export statistics of tungsten trioxide in May 2014:

export list of tungsten trioxide in May 2014
country	quantity/kg	money/dollar	contrast to last year±%
country	quantity/kg	money/dollar	quantity	money
Japan	101,500	3,709,097	0	0
Korea	98,000	3,514,006	-34.7	-32.8
France	20,000	707,684	0	0.9
America	20,000	716,185	-55.6	-54.5

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

Import Statistics of Tungsten Trioxide in May 2014

Details: Category: Tungsten's News; Published on Wednesday, 27 August 2014 11:40

Tungsten trioxide has extensive application,and China is a power in producing tungsten, occupied a large proportion all over the worldwide, which makes our country have great superiority to tungsten trioxide export. In May 2014, tungsten trioxide imports mainly to United States and Germany, but the total quantity and amount of money is less than the same period last year, and Germany is in the tendency of reduction. from it we can conclude that China has greatly reduced the the reliance on foreign imports.

The following is import statistics of tungsten trioxide in May 2014 :

import list of tungsten trioxide in May 2014
country	quantity/kg	money/dollar	contrast to last year±%
country	quantity/kg	money/dollar	quantity	money
America	2	213	0	0
Germany	0	365	-100	-98.2

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

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