This precaution is not necessary, unless the alloy contains a metal requiring a high temperature for its fusion, as, for instance, copper or iron. In alloys oontaining tin, however, a laler of ...

The president imposed a 25 percent tariff on global metals, repeating a move from his first term. Economists and foreign ...

A new study using Mendelian randomization suggests that higher copper levels may increase fibromyalgia risk, while iron may ...

Fragments of copper alloy unearthed at one of Britain's most important archaeology sites have been revealed to be parts of an incredibly rare Iron Age helmet. The discovery was made by the British ...

BHP BHP0.74%increase; green up pointing triangle Group on Tuesday posted a sharp rise in second-quarter copper production thanks to a jump in output at Escondida, the world’s largest copper mine.

Refers to the latest 2 years of omaha.com stories. Cancel anytime. This photo provided by Bournemouth University in January 2025 shows a copper alloy mirror from an Iron Age Celtic cemetery as part of ...

Three years ago, archaeologists were called to a 24-acre plot of land in central England. They were there on behalf of Bloor ...

(Bloomberg) -- BHP Group’s copper output surged 17% in its second quarter, taking up some of the slack from its traditional asset base iron ore which was largely unchanged amid softening demand.

IT is generally accepted that the lattice parameter of retained austenite in quenched iron—carbon alloys increases continuously and linearly with the increase of carbon content. So far ...

There are less than 10 Iron Age helmets in Britain and every single one is unique,' said Julia Farley, Iron Age curator at the British Museum.

Rio Tinto said it produced and shipped slightly less of steelmaking ingredient iron ore in 2024, but mined more copper, bauxite and made more aluminum. The world’s second-biggest miner by market ...