please refe tthe AWS standard / ISO standrds for this flash but welding / thermit welding of rails
AWS D15.2/D15.2M- Recommended Practices for the Welding of Rails and Related Rail Components for Use by Rail Vehicles to get some basic idea about qualification and ask your cleint are they having project specifcations for rail welding.
type of tests required for any welding procedure will be confimed by welding code , contrsctuintion code& project specifications& recommended practices applicable for a project .
common test fro rail welds are
NDT - RT/ UT(PREFERABLE) , MT
weld chemistry
macro
hardness
metallurgucal test
bend test
TRANSFER TESTS
MICRO (METALLURGYCIAL ANALYSIS )
Thanks & regards,
Srinivas Rao
On Sunday, June 26, 2022 at 5:57:52 PM UTC+4 vinu raveendran wrote:
Dear Rao,Thanks for the advise.Can you please share as per which code we need to do a PQR coupon and what mechanical/ NDT tests need to perform for qualifying WPS.On Sunday, June 26, 2022 at 9:23:47 AM UTC+3 srinivas rao wrote:
Dear Vinu,Most commonly used welding process's for rail welding is1. Flash butt welding process2. Thermit welding processRegards,SrinivasaraoWelding engineer , GPSOn Friday, June 24, 2022 at 2:31:50 PM UTC+4 vinu raveendran wrote:Dear Experts,Please advise what welding process is recommended to join rail material A75 (DIN 356) and as per which reference code/standard. Also mention what NDT to be performed.--VINU RAVEENDRAN
https://materials-welding.blogspot.com/
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