The strong smelting urn (r) is created by using a fire rune on a Strong smelting urn (nr). It can be used to collect scraps while smelting (or superheating) bars that require level 85 Smithing or lower (besides gold and silver). Once it starts to get filled, it becomes a Strong smelting urn.
Strong smelting urn (r)
|0 XP||1 XP||-|
| Crafting level||49|
| Members only||No|
|Strong smelting urn (nr)||1||498||498|