For welder qualification, SS backing gas is invariably classed as an essential variable. This is because being able to produce a sound weld root using backing does not demonstrate he has skill required to make a sound weld without backing.
On Tuesday, 28 July 2020, 07:41:55 EEST, José Juan Jiménez Alejandro <jjjimeneza@gmail.com> wrote:
The answer of
Kannayeram Gnanapandithan
is correct.
El lun., 27 jul. 2020 a las 10:10, 'anand gupta' via Materials & Welding (<materials-welding@googlegroups.com>) escribió:
DearPlease check F No is same then welder can weld cs and ss.RegardsA p guptaThyssekrupp--
On Sun, 26 Jul 2020 at 7:50 PM, Venkat Ramana<venkatgps.ramana@gmail.com> wrote:Hi Experts,--My query is once welder was qualified for CS material, can he weld for SS also....Please advise
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