Well , in my realm Saronite Ores sell for 20g per stack(1g per ore or 3.3g per bar) and titanium ore sell for 5.5g(bars up to 13).
So if you are a miner or a blacksmither , you can buy Saronite ores and titanium ores to craft Titanium Weapon Chain!
These are selling high up to 40-80g per! This is a 33-73g profit maximum per sell! If you are not a Blacksmither and/or a Miner you can always buy materials from Auction house and tell friends or guildies to smelt and craft them for you!
I am doing this for a week now and i have made more than 6.000 gold!
I sell from 5 to 15 per day!
P.S. - I take no credit for this.