3 inch stainless weld
how many passes would it take to weld a 3 inch stainless joint back purged and a procedure and how long would it take
---------------------------------------------------
for schedule 40 pipe, i generally takes about 4 passes.
root goes in at around 65 75 amps with a 37 degree bevel , feather edge, and tight 1/8 gap.
second pass same heat
bump up maybe 5-10 amps for the rest but let cool for several minutes between passes.
filler rod is 3/32 or 1/8
Return to Welding Certification Forum.
Enjoy this page? Please pay it forward. Here's how...Would you prefer to share this page with others by linking to it?
- Click on the HTML link code below.
- Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment,
your Facebook account, or anywhere that someone would find this page valuable.
var l = window.location.href,
d = document;
document.write('<form action="#"><div style="text-align:center"><textarea cols="50" rows="2" onclick="this.select();"><a href="'+l+'">'+d.title+'</a></textarea></div></form>');