Create the Player Owned House (POH) to Taverley. Teleport to the house and OSRS Gold travel south to the Dungeon. From there, walk toward Fire Obelisk and Teleport to Camelot to get to the bank. There you can merge these items in Battlestaves.
Successfully completing various quests which reward Smithing experience such as the Knight's Sword, The Giant Dwarf, Elemental Workshop (1 and 2), Heroes Quest, and Pirate Pete subquest for Recipe for Disaster will grant you enough experience to be able to attain level 37 in Smithing without having to do it yourself.
Iron Bars required for Knight's Sword quest can be found on the ground in the level 18 Wilderness to the West of Graveyard of Shadows. However, if in Hardcore as well as Ultimate Ironman, better make the bars yourself. It is the Wilderness is the PvP zone and it's possible to get targeted with other people.
The process of training Smithing on lower levels can take a long time. It is best to get the right level of magic prior in order to cast the Superheat magic spell. You can begin leveling up using mine Iron from South-East Ardougne and superheating it into bars. If you have Ardougne Cloak 1 you can go to the bank to store your bars , and transfer back to the bank using the cape.
If you don't want to mine ores by yourself or buy them, you can purchase ore from Ordan in Blast Furnace. The bars you purchase should be Buy RS 2007 Gold turned in the form of Iron Dart tips which can aid you in Fletching training. Repeat this procedure until you have enough Dart Tips to reach Fletching level 55.