About Angel's ore effectiveness : factorio - RedditIt seems that melting ores is also less efficient in terms of iron plates/sec. . You need to use sorting to get anything other than iron, copper, lead.effectiveness used to smelting iron ores,An Introduction to Iron Smelting – Part III: Raw Materials – Harald the .Feb 19, 2018 . introduction to bloomery iron smelting raw materials . People often spill a considerable amount of ink on ore, but the clay you use may be just as crucial. ... and easier to crush, which in turn makes reduction more effective.
effectiveness used to smelting iron ores