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Anonymous Poster #1

Need Advice for 516 GR70 Steel

08/14/2011 2:33 PM

all my welders are failling their test in welding 516gr70 steel .very simple joint horizontal filler.all the plats are cracking .

pls advise me
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
Good Answers: 795
#1

Re: Need Advice for 516 GR70 Steel

08/14/2011 10:17 PM

How thick is the steel?
What type of joint (||, V, J, etc.)?
What welding process (SAW, GTAW, SMAW, etc.)?
What type of electrodes? Are they dry?
Single or multiple pass?
Preheat/postheat?
What is the test setup?

Experts may have even more questions.

__________________
 In vino veritas; in cervisia carmen; in aqua E. coli.
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josew
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Join Date: Aug 2011
Posts: 1
#2
In reply to #1

Re: Need Advice for 516 GR70 Steel

08/15/2011 8:11 PM

sorry didn't gave to much info. FCAW singel pass.5/8 thickniss horizontal ,filling joint.and i'm using E90xx .i'm thinking it'sabout puch or pull way of welding

pls advise
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fixitorelse
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Join Date: Aug 2010
Posts: 687
Good Answers: 21
#3

Re: Need Advice for 516 GR70 Steel

08/17/2011 6:51 AM

Sounds like heat stress related. But, with out seeing the units and how you are preparing test plates for welds it is hard to say for sure. Most of these types of welds with this material will need to preheated to relive stresses induced in the welding process. Suggest you find help from your local welding supply house. They normally have someone who can assess these types of issues for you.
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