JQ-H08Mn2E
JQ-H08Mn2E 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. The content of S and P in welding material is low.
When working with sintered-flux JQ-SJ101Q, it is applicable for base metal welding with tensile strength of 490MPa.It mainly used in bridge industry.
Chemical components of welding wire (%)
Item |
C |
Mn |
Si |
S |
P |
Ni |
| Example value | 0.072 | 1.78 | 0.035 | 0.006 | 0.008 | 0.051 |
Mechanical properties of deposited metal
Test itemCombined welding-flux
|
Rm (MPa) |
ReL/Rp0.2 (MPa) |
A (%) |
KV2 (J) -40℃ |
| JQ-SJ101Q | 532 | 422 | 30.0 | 90 |
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 |
