Stainless Steel Pipe Welding Points And Points For Attention

1. Using the power vertical external characteristics of DC used positive polarity (wire then negative)

2. Generally suitable for welding thin 6mm below, with a beautiful seam shaping, welding deformation characteristics of a small amount of

3. Shielding gas to argon gas, purity of 99.99%. When the welding current of 50 ~ 50A, the argon gas flow of 8 ~ 0L/min, when the current of 50 ~ 250A, the argon gas flow of 2 ~ 5L/min.

4. Tungsten inert gas nozzle from the outstanding length to 4 ~ 5mm better, in the corner welding and other places with poor shelter 2 ~ 3mm, slotted deep in places 5 ~ 6mm, the distance between the nozzle to work is generally not more than 5mm.

5. In order to prevent the emergence holes welding, welding parts, if rust, oil, etc. Be sure to clean up.

6. Welding arc length, welding common stainless steel capillary pipe in the interest of 2 ~ 4mm better, but when welding stainless steel pipe to ~ 3mm better, then the protective effect of prolonged bad.

7. Bottoming when docking in order to prevent the bottom of the back of the weld is oxidized on the back also need to implement the gas protection.

8. To protect the good argon weld pool, and ease of welding operation, tungsten center line of the workpiece and welding in general should be maintained at 80 ~ 85 angle, filling the angle between wire and workpiece surface should be as small as possible, generally 0 or so.

9. Windproof and ventilation. Windy areas, it is imperative to take measures to block network, while in the indoor ventilation should take appropriate measures.

by: lydia00123

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