US brass scrap increased for most grades on a more substantial Comex market. Brass is faring better than its parent metal copper, mostly due to higher brass sheet sales in the US for ammunition.
The copper component of brass was slightly weaker over the week on brass mills’ reaction to the higher Comex and the availability of plenty of copper scrap.
The weekly Davis Index for 360-rod borings increased by 0.6¢/lb to $2.093/lb delivered US consumers and rose by 0.8¢/lb for brass radiators to $1.70/lb delivered.
The weekly Davis Index for the C-200 series alloy copper spread was wider by 0.7¢/lb at 11.5¢/lb under the Comex spot contract, while the C-200 series zinc spread was flat at 6¢/lb under the LME zinc cash contract.
The Comex spot copper contract was 8¢/lb higher at $3.11/lb on Friday from it close on September 11, while the spot LME Zinc official cash contract increased by $83.50/mt from September 11 to close Friday at $2,512/mt.