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Dear All, As far as ToFD has many advantages for identification of defects and traceability, are there possible defects type for which ToFD is not effective and can be blind ? Best regards

Dear All, As general for carbon steel (SA 516 Gr 70) what is the effect of high or low manganese and silicon on the steel behaviour ? Thanks

Dear All, Can some body help me to determine the filler metal type to weld API 5L X70 pipe thickness 18mm with FCAW and SMAW process. Thank you

Dear All, Can somebody help me to find any technical book or web site which gives the rules how can we determine if a PWHT is required for any carbon steel ? Thank you

Dear All, Does the API1104 or the API 5L requires a post weld heat treatment after welding API 5L X70 pipes ? If no, technically is it necessary to PWHT a pipe API 5L X70 having 18mm thickness? Thank you

Dear All, Can some body advice me which type of electrode can I use to weld XC48 or C45 to S235JR (EN10025) material. (ALL carbon steel) Thank you in advance

Hello Every body, What are the equivalent ASTM materials to API5LX52 ? Thank you

Dear All, When looking in the AWS D1.1 (contractual standard) I don't find any direct requirement to perform or not a PWHT of full penetration butt weld of carbon steel plates thickness 50mm up to 105mm. Can some body help me in order to decide if it is required or not to perform a PWHT for...