JQ-EL8
JQ-EL8 is a submerged arc welding wire of non-alloy fine-grained steel which has good welding performance with effortless slag removal ability and optimal bead appearance. When working with sintered-flux JQ-SJ101, it is applicable for welding base metal with tensile strength of 430MPa. It is commonly used in the fields such as bridges, ships, construction machinery, steel structures and so on.
Chemical components of welding wire (%)
Item |
C |
Mn |
Si |
S |
P |
Cu |
| Example value | 0.045 | 0.46 | 0.023 | 0.008 | 0.019 | 0.10 |
Mechanical properties of deposited metal
Combined welding-flux Test item |
Rm (MPa) |
ReL/Rp0.2 (MPa) |
A (%) |
KV2 (J) -20℃ |
| JQ-SJ301 | 478 | 378 | 29.5 | 70 |
Reference specification(DC )
Wire diameter（mm） |
Φ2.5 |
Φ3.2 |
Φ4.0 |
Φ5.0 |
| Electric current（A） | 350~500 | 400~550 | 470~600 | 550~650 |
| Voltage（V） | 27~30 | 28~31 | 28~32 | 30~34 |
