Golden Bridge
Golden Bridge (JQ-MH80SD) Submerged Arc Welding Wire
Golden Bridge (JQ-MH80SD) Submerged Arc Welding Wire
SKU:JQ-MH80SD-1/8-0055
AWS A5 Series Chart for Filler Metals
| AWS A5 Series Code | American Welding Society (AWS) Standard Title |
| AWS A5.1 | Carbon Steel Electrodes for Shielded Metal Arc Welding (SMAW) |
| AWS A5.2 | Carbon and Low-Alloy Steel Rods for Oxyfuel Gas Welding (OFW) |
| AWS A5.3 | Aluminum and Aluminum Alloy Electrodes for Shielded Metal Arc Welding (SMAW) |
| AWS A5.4 | Stainless Steel Electrodes for Shielded Metal Arc Welding (SMAW) |
| AWS A5.5 | Low-Alloy Steel Electrodes for Shielded Metal Arc Welding (SMAW) |
| AWS A5.6 | Copper and Copper-Alloy Electrodes for Shielded Metal Arc Welding (SMAW) |
| AWS A5.7 | Copper and Copper Alloy Bare Welding Rods and Electrodes |
| AWS A5.8 | Filler Metals for Brazing and Braze Welding. |
| AWS A5.9 | Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (SAW) |
| AWS A5.10 | Bare Aluminum and Aluminum-Alloy Welding Electrodes and Rods. |
| AWS A5.11 | Nickel and Nickel Alloy Welding Electrodes for Shielded Metal Arc Welding (SMAW), Gas Tungsten Arc Welding (GTAW), and Plasma Arc Welding (PAW) |
| AWS A5.12 | Tungsten and Tungsten Alloy Electrodes for Arc Welding and Cutting |
| AWS A5.13 | Surfacing Electrodes for Shielded Metal Arc Welding (SMAW) |
| AWS A5.14 | Nickel and Nickel-Alloy Bare Welding Electrodes and Rods |
| AWS A5.15 | Welding Electrodes and Rods for Cast Iron |
| AWS A5.16 | Titanium and Titanium Alloy Welding Electrodes and Rods |
| AWS A5.17 | Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (SAW) |
| AWS A5.18 | Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding (GMAW) |
| AWS A5.19 | Magnesium Alloy Welding Electrodes and Rods |
| AWS A5.20 | Carbon Steel Electrodes for Flux Cored Arc Welding (FCAW) |
| AWS A5.21 | Bare Electrodes and Rods for Surfacing |
| AWS A5.22 | Stainless Steel Electrodes for Flux Cored Arc Welding (FCAW) |
| AWS A5.23 | Low-Alloy Steel Electrodes and Fluxes for Submerged Arc Welding (SAW) |
| AWS A5.24 | Zirconium and Zirconium-Alloy Electrodes and Rods for GTAW, GMAW, PAW (Plasma Arc Welding) |
| AWS A5.25 | Specification for Carbon and Low-Alloy Steel Electrodes and Fluxes for Electroslag Welding (ESW) |
| AWS A5.26 | Specification for Carbon and Low-Alloy Steel Electrodes for Electrogas Welding (EGW) |
| AWS A5.27 | Specification for Carbon and Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding |
| AWS A5.28 | Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding |
| AWS A5.29 | Specification for Low-Alloy Steel Electrodes for Flux Cored Arc Welding (FCAW) |
JQ-MH80SD
JQ-MH80SD is a submerged arc welding wire for high-strength steel, which has good welding performance with effortless slag removal ability, optimal bead appearance and good low-temperature impact, and can be used to weld hydropower high-strength steel plates.
Working with sintered-flux JQ-SJ80SD, the product is suitable for welding base metal with tensile strength of 760MPa. It is mainly used in the field of hydropower industry.
Chemical components of welding wire (%)
Item |
C |
Mn |
Si |
S |
P |
Ni |
Cr |
Mo |
| Example value | 0.078 | 1.75 | 0.23 | 0.008 | 0.014 | 2.78 | 0.41 | 0.57 |
Mechanical properties of deposited metal
ItemCombined welding-flux
|
Rm (MPa) |
ReL/Rp0.2 (MPa) |
A (%) |
KV2 (J) -40℃ |
| JQ-SJ80SD | 832 | 711 | 16.5 | 85 |
Reference specification(DC+)
Wire diameter（mm） |
Φ2.5 |
Φ3.2 |
Φ4.0 |
Φ5.0 |
| Electric current（A） | 350~500 | 400~550 | 470~600 | 470~600 |
| Voltage（V） | 27~30 | 28~31 | 28~32 | 30~34 |
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| Diameter |
* 1/8 inches (3.2 mm), * 5/32 inches (4.0 mm) |
|---|---|
| Package |
55 lb (25 kg), 110 lb (50 kg), 220 lb (100 kg), 440 lb (200 kg), 550 lb (250 kg), 660 lb (300 kg), 770 lb (350 kg) |