SG iron is nodular and therefore not brittle (It is a bit like a semi steel and less likely to crack or break)
Sizes overall external without handles 295 x 80 x 55mm
Handles / turning flaps 20mm long
Maximum Capacity 800cc equivalent to 7kg in Bronze
Unlike some ingot moulds these have been designed with a good taper and smooth inside walls to allow easy release of ingots.
The small handle is for tipping out using tongs. Prior to use the ingot mould can be coated with delta cast mould release or mould blacking
For making ingots after melting down scrap or when too much metal has been smelted.
Ingot moulds should be pre-heated to drive off moisture prior to pouring molten metal into them.