


A5.9 : ER409Nb
14343 B : SS409Nb
| Sizes (mm) | Standard | Welding Position View(+) |
Shielding gas | Polarity | |
|---|---|---|---|---|---|
| 0.8~1.6 | AWS A5.9 EN 14343 B |
ER409Nb SS409Nb |
F, HF | Ar | DC(+) |
| Typical chemical composition of wire (%) | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Ni | Mo | Remark |
| 0.02 | 0.45 | 0.52 | - | - | 11.57 | 0.34 | 0.05 | Nb : 0.35 |
| Typical mechanical properties of all-weld metal | |||||
|---|---|---|---|---|---|
| Y.S (MPa) | T.S (MPa) | EI. (%) | Hardness (HV) | IV (J) | PWHT |
| 280 | 465 | 20 | - | - | - |