2022-06-14

Copper smelting and classification

smelting of copper The copper ore mined from the copper ore is processed into copper concentrate or copper ore with higher copper content after beneficiation.

2022-06-14

Copper reserves in Tibet

Zhang Mei, a researcher at the Information Center of the Ministry of Land and Resources, said at the "7th China Nonferrous Metals Industry Chain Development Forum" held in Beijing from April 15th to 20th that the reserves of copper resources identified in my country will continue to increase significantly in the next five years.

2022-06-14

Summary of various copper densities

Copper 8.90 59, 62, 65, 68 Brass 8.50 Iron 7.86 80, 85, 90 Brass 8.70 Cast Steel 7.80 96 Brass 8.80 Industrial pure iron 7.87 59-1, 63-3 lead brass 8.50 Ordinary carbon steel 7.85 74-3 lead brass 8.70 High-quality carbon steel 7.85 90-1 tin brass 8.80

2022-06-14

Will copper usher in a "super cycle"? The supply gap in the next ten years is expected to reach 10 million tons

Institutions predict that within a decade, the world may face a massive shortage of copper, a metal vital to the global economy. The copper industry will need to invest more than $100 billion to fill a 4.7 million-tonne-a-year supply gap by 2030, according to estimates by commodities market researcher CRU Group.

2022-06-14

"Carbon neutrality" will increase copper consumption by 850,000 tons per year

This year is the first year of China's "14th Five-Year Plan", and also the first year of China's "carbon peak and carbon neutrality" journey. Relevant policy arrangements will be introduced intensively, and greener and lower-carbon economic development will be the main theme of future development. , and achieving the goal of "carbon peaking and carbon neutrality" means that more electricity will replace fossil energy consumption, and the electricity demand of the whole society will be greatly increased.

2015-04-03

"The Belt and Road" helps copper turn over?

In 2015, when the fundamentals are still difficult to reverse, the launch of the Belt and Road strategy seems to bring the dawn of copper's turnaround - can the strategy of power construction output activate the copper market?

2015-04-03

Copper market holiday one after another, non-agricultural or a delay bomb

On Thursday, London copper fell quickly after the Asian session, hitting a low of 5968.5 in the evening and closing at 5985, down $50/0.83%. Shanghai copper 1506 closed at 43340 yuan in the evening session.

2015-04-03

Increase the liquidity of copper

Why is there lead in copper? The ancients made copper, not only using copper, but also adding tin or lead. The melting point of copper is very high, reaching 1083 degrees. At such a high temperature, when the copper water is poured out, its fluidity is very poor. "It's like making glutinous rice cakes during the New Year. It always sticks to the pot. After pouring it into the mold, it can't fill every place. The copper you get in the end may be a hole here and a hole there." And after adding tin and lead, It reduces the melting point of copper, improves the fluidity, and makes the copper ware smooth and beautiful.