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Hi, It has been observed on all weld joints were corroded with rust, but components dont have any rust. can any one answer me the reason why weld joints have only corrosion not on base metal? Pipe : A312 TP 316 L Filler wire : ER316L Weld Type : Butt weld

Dea all, I have a Plastic Welding Machine with hot gas supplied through a hole having 6mm. I want to calculate Pressure (Static+Kinematic) from the machine using velocity anemometer?

Hai, Anybody can answer it the Aluminu Plate(Al Mg Si 0,5) Equvalent American Standard.And also answer the preheat temerature of materail ((Al Mg Si 0,5)proir to start Aluminum Bus BAR welding. Thanks Sahavas

In SFA-5.9,ER320LR & SB-729(UNS N08020)Chemical composition requirements Ni-(32-36).In ASME SEC.IX QW-442 ,Ni-(15-37)A-number is 9. Is this clear.please reply.

If you not found in relevent standards and specifications,you can take the minimum and maximum values from relevent PQR.

can I know the A-number which is welded with B729(UNS#N08020)and fillerwire ER320LR(SFA No-5.9)

thanks stanweld for your reply you replied 'A' number is inconsequential. if it is inconsequential, then why B-31.3 table included 'A' number. how can I make sure 'A' number is inconsequential?

hi, we have Electrical bus bar welding with 40mm fillet size.whether SMAW can use for Aluminum Bus bar welding and SMAW process welding can weld with DC current.