Originally Posted by
531phile
The biggest advantage that 853 has over these is the fact that the welds get stronger when built up. Almost all other steels get weaker at the welds.
631 does this as well (air hardening?). the difference between 631 and 853 is that 853 is heat treated, which increases the tensile strength somewhat. both fine steel. i love my 631 sputnik to death.