You need to give ONIX a METAL COAT to hold. Then trade him and he will evolve into a STEELIX.
You can't find Steelix, in order to get one you must trade an Onix to a friend while its holding the item Metal Coat then ask your friend to give it back to receive Steelix.
You find it in the national park or when trading with Janine (any Pokemon for her Steelix).
You get it on Route 27 inside the cave
Pokeman here, to catch a Steelix you have to evole a Onix or beat the Pokemon league and go to the temple in snowpoint city and catch one. Wow! that was quick! You can catch them at Victory Road and the deepest parts of Iron Island too.
No.
On iron island at the last room.
Wild Steelix can hold it, or you need to find on Iron Island after beating the Elite Four.
You'll need it to hold a Metal Coat and link trade it to the other person for a Steelix. You could also find Steelix on Iron Island or Victory Road, but it is rare.
graveller, golbat, machoke, medicham, onix, steelix, floatzel
You have to make the following Pokemon hold the metal cloak and then trade them: Onix = Steelix Scyther = Scizor
Torterra and Golem are a few good choices
You need to give ONIX a METAL COAT to hold. Then trade him and he will evolve into a STEELIX.
A good team for Pokemon diamond or pearl is probably Empoleon, Staraptor, Roserade or, Steelix, Machamp, and Haunter or Gengar.
Byron has the following pokemon: 1. Lv.36 Bronzor 2. Lv.36 Steelix 3. Lv.39 Bastiodon
You can't find Steelix, in order to get one you must trade an Onix to a friend while its holding the item Metal Coat then ask your friend to give it back to receive Steelix.
accourding to the Pokemon diamond and pearl national pokedex, the second biggest Pokemon is steelix. in the sinnoh pokedex it would be onix. hope that helped -jenny333