Comparison of 304 or 316 and 304L or 316L type welding electrodes

As American AISI basic grades, the only practical difference between 304 or 316 and 304L or 316L is carbon content. ... The 1.4301 (304) and 1.4307 (304L) have carbon ranges of 0.07% maximum and 0.030% maximum, respectively. The chromium and nickel ranges are similar, nickel for both grades having an 8% minimum. Low carbon rods, which provides extra corrosion resistance.

--> ER 308 stands for MIG wire

MAKE	SIZE  DxL (MM)	Amps.	/CARTON
SS - Supron	2.50X350	60-90	260
MS -Manglam	3.15X350	100-140	150
	3.15X450	100-140	150