Question: what is the difference between er70s2 and er70s 6?
Answer: The 70S-6 has better scavaging properties then the S-2. It has higher silicon,and manganese deoxidizer levels, with better arc characteristics. It will not have any adverse effects on your welding. ... E70S-6 has the most deoxidizers for highest quality welds, and due to higher silicon is more fluid than E70S-2.