Frequently Asked Questions
The table below compares European and American Standards for commonly used stainless steel welding filler materials. It is intended to give comparisons only; these may not represent direct equivalents.
| BS EN ISO 14343:2007 | ANSI/AWS A5.9/A5.9M: 2006 | UNS number |
|---|
| 13 |
ER410 |
S41080 |
| 13 4 |
ER410NiMo |
S41086 |
| 17 |
ER430 |
S43080 |
| 19 9 L |
ER308L |
S30883 |
| 19 9 H |
ER308H |
S30880 |
| 23 12 L |
ER309L |
S30983 |
| 23 12 2 L |
ER309LMo |
S30986 |
| 25 20 |
ER310 |
S31080 |
| 29 9 |
ER312 |
S31380 |
| 19 12 3 L |
ER316L |
S31683 |
| 19 12 3 H |
ER316H |
S31680 |
| 19 13 4 L |
ER317L |
S31783 |
| 19 12 3 Nb |
ER318 |
S31980 |
| 19 9 Nb |
ER347 |
S34780 |
| 22 9 3 NL |
ER2209 |
S39209 |
Further information
What are the equivalent European and American Standards for common stainless steels?
Welding of austenitic stainless steels - a guide to best practice
Fabrication with low cost stainless steels - a guide to best practice
Arc welding duplex stainless steels - a guide to best practice