Bs 735a50 Spring Steel Welding Performance - China

BS 735A50 spring steel TIG welding process: To reduce electrode consumption, DC positive polarity was selected for wire welding tests.

Specifically, a DC power supply was used, with the wire connected to the positive terminal and the tungsten electrode to the negative terminal.

Tungsten electrodes containing 1% or 2% thorium oxide exhibit high electron emission efficiency, good current carrying capacity, good contamination resistance, easy arc ignition, and relatively stable arc.

For ease of operation, a thinner thorium-tungsten electrode with a diameter of 2 mm was selected, and the electrode tip was sharpened.

Gargon was chosen as the shielding gas because its lower arc voltage characteristics are particularly advantageous for manual arc welding of thin plates and wires.

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