JQ-H08MnMoA
JQ-H08MnMoA is a submerged arc welding wire of non-alloy fine-grained steel, which has excellent welding manufacturability 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 550MPa. It is commonly applied in the fields such as construction machinery, construction machinery, steel structures, etc.
Chemical components of welding wire (%)
Item |
C |
Mn |
Si |
S |
P |
| Example value | 0.078 | 1.34 | 0.21 | 0.008 | 0.011 |
| Item | Ti | Cr | Ni | Mo | Cu |
| Example value | 0.065 | 0.064 | 0.071 | 0.38 | 0.12 |
Mechanical properties of deposited metal
Test itemCombined welding-flux
|
Rm (MPa) |
ReL/Rp0.2 (MPa) |
A (%) |
KV2 (J) -20℃ |
| JQ-SJ101 | 605 | 500 | 20.0 | 60 |
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 |
