Recent content by JATE

Good morning, gentleme We must reinforce and repair some metal bridges, but I would like to know if for this work I must apply the d1.5 code? I think AWS D1.5 is only for building new bridges. I will appreciate your answers Juan

I am working with the D1.1, I have a prequalified wps with GROUP II materials, can I use this same WPS to weld group I with group II materials?

Good day: We are pre-assembling a roof of a structure, which will be raised 20 meters high, the client requests a topographic protocol, it demands tolerances of the final structure for this pre-assembly at ground level. The ceiling has the dimensions 10 x 20 meters. That is good? THANKS JATE

Good morning, gentlemen: We have a WPS, due to customer request it is required to change the welding process: FCAW (E71T8) will replace SMAW (E 7018), The question is if we should make a new PQR. No impact required, Standard: ASME IX. Thanks for your attention JATE

Can you help me: If ASME IX said: QW-203 LIMITS OF QUALIFIED POSITIONS FOR PROCEDURES Unless specifically required otherwise by the welding variables (QW-250), a qualification in any position qualifies the procedure for all positions Then Why piping are tested to qualify wps position 6g ...

Thanks for the answers: We have a WPS for 3G position, I can generate WPS to position 1G and 2G with the PQR of the first WPS. We are using the same material. Juan

I have a question, can you help me: I can weld a tank under api 650 only with asme ix 1G, 2G and 3G qualified welders (10,000 barrel tank) Thanks JATE

Thanks HTURKAK

Good Morning: DTI installation say: "Put DTI under bolt head bump against bolt head", but if does we put an washer between the DTI and the bolt head, would it have a problem?

What happens if the bolts break before the DTI washer of the indication;

Good Morning: The same bolt is tensioned with a torque meter and gives a much greater value than the one obtained by applying a DTI washer. why? Bolt: A325 Diameter: 7/8 " Torque value: 890 lb-ft JATE

Please can you help me: A WPS of a contractor qualified with the Asme IX of past years must be qualified again under the current asme ix? Thank JATE

Friends: Can I use a WPS under asme B31.3 used with the same client years ago. My client indicates that it must be re-qualified. Thank for your help. JATE

Hello , can you help me: We have to install a flange Ø34" with your packing, the piping class asks me: GASKET: 1/8" mm thick 316SS / Graphite, Spiral-Wound Gasket, ASME CLASS 900 RF FLANGES: WN Flanges Class 900 RF, ASTM A694 Gr F52. Bolting: A193 Gr B7 : ( Ø 3 1/2") PIPE INTERNAL...

Good day: When the NDT tests have been carried out at 100% of the welded joints, the hydrostatic tests must be carried out or they may not be carried out in b31.3. We have made a line of 3 km of tailings of 34 ". Thanks for your help Juan Torres