AWS D 1.2 - WPS/PQR for Aluminum AA5052-H34

[amitru...@gmail.com]

Dear Expert

 We are facing crack problem in HAZ during GTAW welding of

Aluminium AA5052 vs. AA 5052, Temper –H34

Shielding gas- Argon

10mm thickness plate,

Single V butt joint

Filler Material AA4043-H18.

Edge Preparation: Included Angle 70 degree, root gap. 1.2 mm.

 We are making WPS/PQR as per the AWS D1.2. Please advice welding parameter need to be change to get Bend and tensile result as per requirement for procedure Qualification.

 

Thanks

Amit Patel

[Mahantesh Loni]

Cleaning before welding to avoid al oxide formation use AC current.

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[Karthik]

 Hi,

The attached file might be useful to you.

Thanks & Regards,

(Karthik)

Karthikeyan.S

QA/QC Manager

German-Thai Boiler Engineering Cooperation Limited.

Rayong Factory ;

379 Moo.6 Soi 8, Tambol Pananikom,

Nikompattana, Rayong 21180 THAILAND

Tel : +66 38 897 035-9 Ext. 137

Fax : +66 38 897 034

Hand Phone: 0066 892512282

[Dinesh Patil]

Dear All,

Carbon steel(SA516-70) to Aluminum welding is possible to weld together. If possible then which filler used for GTAW process.

Dinesh Patil

din....@gmail.com

[George Dilintas]

Not possible. You have to use an intermediate component manufactured with explosion bonding 

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis