Jun 30, 2020· LME Copper prices closed at $5,957 per ton on Jun 29. Copper, whose demand is linked to global economic growth and activity, fell prey to the impact of the COVID 19 in the first

Oct 17, 2019· For reference, weve also included a list of themon mining unit conversations. 1 carat ct = 0.2 grams g 1 troy ounce = 31.1034768 grams 1 ounce = 28.3495 grams 1 ppm = 1 g/t grams per tonne 1 kilogram kg = 1,000 grams 1,000 kg = 1 tonne t 1 lb = 0.454 kg 1 kg = 2.20 pounds lb 1 ton US or short ton T = 2,000 lb = 907.185 kg 1 tonne t = 2204.62 lbs = 1.10231