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Description
Verti-Cor 3XP H4 is a seamless, low-hydrogen (H4) non-copper-coated flux cored wire. It features laser welded seams to combat moisture absorption in humid environments, delivering impact toughness to below -30 deg C. Being a rutile type FC wire it is designed for downhand, vertical-up and overhead fillet and butt welding applications. Verti-Cor 3XP H4 is suitable for welding a wide range of mild to medium strength steels with Argon + 18-25% CO2 shielding gases (or equivalent) and is formulated to give smooth, mitre fillet welds in all positions with very low spatter levels and a self-releasing slag. The advanced non-copper coated seamless wire has unique features and benefits including:
• Improved wire feeding which eliminates ‘bird nests’ at the wire feeder.
• Improved current transfer at the welding torch for smooth, consistent arc starting.
• Very low AWS: H4 and AS: H5 diffusible hydrogen status for improved resistance to hydrogen induced cold cracking of the weld deposit.
• The elimination of moisture reabsorption in the flux core for maintenance of the very low hydrogen status’ following exposure to the atmosphere.
Packaging Data
| Wire Diameter |
Pack Type |
Pack Weight |
Part Number |
| 1.2mm |
Spool |
15kg |
722919 |
| 1.6mm |
Spool |
15kg |
722921 |
Recommended Welding Parameters
All welding conditions recommended below are for use with semi-automatic operation, DC electrode positive and Argon + 18-25% CO2
shielding gas with a flow rate of 15–20 litres/min.
| Position |
Wire Diameter |
Current Range |
Voltage Range |
CTWD |
Optimum Current |
Optimum Voltage |
| Flat |
1.2mm |
250–300A |
27–31V |
20–25mm |
280A |
31V |
| Flat |
1.6mm |
350–400A |
27–31V |
25–30mm |
360A |
31V |
| Horizontal Fillet |
1.2mm |
230–280A |
26–30V |
20–25mm |
260A |
28V |
| Horizontal Fillet |
1.6mm |
310–360A |
26–30V |
25–30mm |
320A |
29V |
| Vertical Up |
1.2mm |
170–220A |
24–28V |
15–20mm |
200A |
24V |
| Vertical Up |
1.6mm |
200–250A |
24–28V |
15–20mm |
240A |
25V |
| Overhead |
1.2mm |
160–210A |
24–28V |
15–20mm |
200A |
24V |
| Overhead |
1.6mm |
190–240A |
24–28V |
15–20mm |
220A |
24V |
These machine settings are a guide only. Actual voltage, welding current and CTWD used will depend on machine characteristics, plate thickness, run size, shielding gas and
operator technique etc.
