How strong mig welding is?

it kind of welding for welding thin sextodecimos with depth and influence in places where welding company's and pullulation bed with a good quality for other fashion seems to be appropriate. If you are asking "how do you determine the tensile strength of MIG welding?" The aswer is it is stated on the box and spool. The number 70 means 70,000 lbs tensile strength same as the 70 in 7018 electrodes.