Materials
Can you tig welding 4130 chromoly?
Quick answer
Yes — the motorsport standard with ER80S-D2. TIG on 4130 chromoly: TIG with ER80S-D2 filler; filler ER80S-D2, or ER70S-2 for less critical tube work.
The verdict and why
The motorsport standard with ER80S-D2. Roll-cage and motorsport tube in Australia: preheat 150–200°C on thick sections and follow the rulebook for post-weld conditioning
Watch-outs
- acetone wipe, clean tungsten, tight fit-up
- Prep: acetone wipe, clean tungsten, tight fit-up
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