Sept 6 (Reuters) - Teck Resources Ltd TECKb.TO
* Teck updates steelmaking coal guidance
* Teck Resources Ltd - Teck expects to realize an average price, for all tonnes sold in quarter, of approximately us$158 to $163 per tonne
* Teck Resources Ltd - Steelmaking coal sales volumes for Q3 of 2017 are now expected to be between 7.2 and 7.5 million tonnes
* Teck Resources- Q3 2017 price index for steelmaking coal volumes sold under quarterly contract for period June through August, is now established at $170/ tonne