Dissimilar material with impact test

[Hany Nabil]

Dear Gents

If we have WPS with two materials, P-1 to P-8 and impact test required,

According to ASME B31.3, we can apply impact test on one side only ( carbon steel) ?

Or shall be applying impact test on SS with CS ?

Please advise 

Thanks,

Hany Nabil

Welding Engineer 

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 Eng. Hany Nabil

 Senior QA / QC Welding Engineer

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[George Dilintas]

Impact test is applicable for weld metal and both heat affected zones. You follow B31.3 to the letter

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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

[Hany Nabil]

Dear Mr. George

Thanks 

But I think impact test required on minimum tensile strength only.

Can you explain me which reference article in ASME B31.3

Thanks 

Hany Nabil

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[james gerald]

According to ASME B 31.3, Impact requirements based on Table 323.2.2 and for P1 & P8 materials as specified in that section. Consider the base metal weld & HAZ requirement and exception according to the above table.

If weld requires impact test then the below acceptance criteria apply.

Table 323.2.2 as below.

Thanks & Regards

J.Gerald Jayakumar

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