WELDING OF API 5L X70 40" PIPE

[Anandkumar1987]

Hai Experts,
Please help me what type of filler metal (GTAW) and electrode (SMAW) to be used for the welding of 40" pipe API5L X70 pipe.Also please specify the AWS specification for the same..

 

[21121956]

Hello everybody:

As a preliminar choice, you can consider the use of these electrodes:

SMAW: E7018, AWS 5.1, ASME SFA 5.1.
GMAW: E71T-1, AWS 5.20, ASME SFA 5.20.
GTAW: ER70S-6, AWS 5.18, ASME SFA 5.18.



El que no puede andar, se sienta.

 

[racookpe1978]

What pressure, temperature, fluid, service, and grade of pipe?

What code and what country is the pipe?

Does your company have a quilified weld procedure or qualified welder and NDE?

 

[Anandkumar1987]

Thank you for your answers...can i use ER70S-1B (GTAW) and E8018-C1 (SMAW) for the same..

 

[Anandkumar1987]

Hai experts...do we need to do RT(Radiography Test) for all piping joints including 2" and below according to ASME 31.3..