Niobium (Nb) is a rare metal and is used in high-strength steel alloys to increase the strength and resistance of the steel to heat and corrosion. Superconductive wires are made from it. Titanium is a close match to Niobium. But use pliers with no teeth so you dont leave marks! All our (NB) is saw cut.
Please also note that these colors will look a little different depending on your computer monitor settings.
General terms: M is the abreviation for Machine Cut. G is the abreviation for the Gauge or thickness of the ring. ID is the abreviation for the inner diameter of the ring.
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