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Old 09-02-2020, 11:01 AM   #1
skip*rat
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Default Welding cast gate parts

Iíve bought a pair of gates cheap on eBay for the side of our house
Hopefully to stop nosey people looking at the cars I have down there !
Iíve reduced the gates and added some parts no problem
But I bought form dc iron a pair of 4Ē post tops these are heavy cast
Tacked and welded first on 6013 rods nice weld but cracked (was assured by reading on other forums this wouldnít happen )
Ended up having to heat up and weld in short bursts
Any tips other than this or are there better rods suited to job
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Old 09-02-2020, 02:22 PM   #2
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I didn't know you could even weld cast iron, thought it was a no no.
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Old 11-02-2020, 09:35 AM   #3
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with big chucks of cast heating is usually necessary, are you welding to steel posts or cast?
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Old 12-02-2020, 01:44 PM   #4
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Quote:
Originally Posted by davidoft1 View Post
with big chucks of cast heating is usually necessary, are you welding to steel posts or cast?
Welding to steel posts that was main problem with different material and the expansion contraction between the two kept fracturing welds
Ended up keeping heat on cast parts as I welded up
This worked quite well but still has to work round I. Small sections
The gates I reduced and repaired were wrought which was relatively easy it was the post tops that were an absolute pig to weld
I just wondered if there was another type of rod specific to joining steel to cast that allowed for the difference in heat dissipation
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