Here are links for welding 2205 duplex and for zeron 100 super duplex.
Duplex stainless steel 2205 welding.
Click on pwl 081 to read it.
4 type 2205 code plus two duplex stainless steel welding.
Selection of a joint design should accommodate the following guidelines.
For example 2205 uses 2209 and zeron 100 uses zeron 100x.
An article on spot welding duplex stainless steels was published 11 in issue 81 of practical welding letters for may 2010.
Alloyed duplex stainless steel weld fillers are suitable for welding the lower alloyed duplex stainless steel products.
The notes below are shortened rules of thumb so please consult the full welding guides for details.
This research study attempts to create an optimized parametric window by employing taguchi algorithm for plasma arc welding paw of 2 mm thick 2205 duplex stainless steel.
1 1 chemical compositions grade uns en c max cr ni mo n mn others pren min lean duplex ur 2202 s32202 1 4062 0 03 22 5 2 0 3.
For welding duplex stainless standard welding processes are used.
Preheating as a general rule preheating is not.
Except that flux cored arc welding fcaw is not recommended especially for the super duplex grades.
The matching fillers have been reported to give acceptable results when joining duplex stainless steels to austenitic stainless steels or to carbon and alloy steels.
A suitable electrode diameter is 5 64 3 32 inch 2 2 4 mm depending on base metal thickness welding position and accessibility for root side grinding.