TIG Stainless Steel Welding Wire ER309L,TIG Stainless Steel Welding ROD ER309L,ER309L,Stainless Steel Welding ROD ER309L.
AWS A5.9 ER309L
BS EN ISO 14343-A-G(23 12 H)
JIS Z3321 Y309L
Welding Position: F,H,HF,OH,V
Type of Current: DCEP,DCEN
Features & Applications
ER309L is for welding extra low carbon stainless steel structures with similar chemical composition, such as synthetic fibre, petrochemica equipment as well as nuclear reactor. Also it could be used for dissimilar steel welding.
Chemical Composition of Wire(%)
| ER309L | C | Mn | Si | S | P | Cr | Ni | Cu |
| Standard | ≤0.03 | 1.00-2.50 | 0.30-0.65 | ≤0.030 | ≤0.030 | 23.00-25.00 | 12.00-14.00 | ≤0.75 |
| Typical | 0.026 | 2.11 | 0.38 | 0.008 | 0.017 | 23.56 | 12.31 | 0.07 |
Mechanical Properties of Deposited Metal
| Tensile Strength Rm(Mpa) |
Elongation A4(%) |
Shield Gas | |
| Ar | |||
| Standard | ≥550 | ≥30 | purity≥99.8% |
| Typical | 570 | 39 |
The standard of mechanical properties conforms to shipping institutions and the certificate of inspection would follow it unless the purchaser has special requirement.

