Form: This specification covers a low-alloy steel in the form of welding wire Application: This wire has been used typically as filler metal for gas-tungsten-arc and gas-metal-arc welding of low-alloy steels of similar composition where the weld area is required to have strength and notch-toughness comparable to that of the parent metal without the need for post-weld heat treatment@ but usage is not limited to such applications Classification: Wire shall be classified as follows: Type 1 - Bare Wire Type 2- Copper Coated Type 1 shall be supplied unless Type 2 is specified