Copper 6945/6965 b 21.5/41.5 b
Tin 17500/17900 b 80/100 b
Lead 2005/2020 c 17.5/12.5 c
Zinc 1800/1820 c 29.3/23.3 c
Aluminium 2515/2525 c 52/47 c
Nickel 16950/ 17150 c 220/190 c