TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
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JQ.H08MnA
天津市金桥焊材集团股份有限公司
JQ·H08MnA 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 430MPa. It is commonly used in the fields such as ships, pressure vessels, bridges, construction machinery, construction machinery, steel structures and so on.
Chemical components of welding wire (%)
Item | C | Mn | Si | S | P | Cr | Ni | Cu |
| Example value | 0.066 | 0.96 | 0.038 | 0.007 | 0.010 | 0.027 | 0.011 | 0.11 |
Mechanical properties of deposited metal
Test itemCombined welding flux | Rm (MPa) | ReL/Rp0.2 (MPa) | A (%) | KV2 (J) -20℃ |
| JQ·SJ101 | 495 | 392 | 26.5 | 95 |
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 |
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