PQR AWS D1.1

[saleem manhappulath]

Dear All

   I have situation, kindly advise the solution 

Can we qualify PQR in pipe in AWS. D1.1. If we can please suggest qualification range . Thickness , dia and testing 

Thanks & Best Regards
Saleem manhappulath

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From iPhone xs

[Mostafa DAIF]

Dear sir,

The AWS D1.1 Structural Welding Code primarily addresses the welding of structural steel components, which may not directly apply to piping.

For piping systems, ASME B31.3 is typically the relevant standard, offering guidelines specific to process piping. 

However, AWS D1.1 might still be relevant for structural elements of piping systems, like supports or attachments. 

Best regard,

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[Amol Betkar]

Dear,

Certainly, according to AWS D1.1, the qualification of Procedure Qualification Record (PQR) for pipes is indeed possible. The relevant clause in AWS D1.1 that addresses this is typically Clause 3, "Qualification." This clause outlines the requirements and procedures for qualifying welding procedures, including those for pipes.

To qualify a PQR for pipe welding under AWS D1.1, you would need to follow the guidelines outlined in Clause 3, which includes considerations for thickness, diameter, and testing requirements.

Here's a summary of what AWS D1.1 typically requires for qualifying pipe PQRs:

1. Thickness Range: Specify the range of pipe thicknesses for which you intend to qualify the procedure. AWS D1.1 usually provides guidelines for the minimum and maximum thicknesses that can be included in the qualification.

2. Diameter Range: Similar to thickness, specify the range of pipe diameters for which you intend to qualify the procedure. This may vary based on project requirements and industry standards.

3. Testing Requirements: AWS D1.1 typically specifies the testing requirements for qualifying welding procedures. This may include various non-destructive testing (NDT) methods such as ultrasonic testing (UT), radiographic testing (RT), magnetic particle testing (MT), or dye penetrant testing (PT), depending on the specific welding process and material.

To provide specific qualification ranges for thickness, diameter, and testing, it's important to refer directly to the AWS D1.1 code for the most up-to-date and accurate information. Additionally, consulting with a qualified welding engineer or inspector can help ensure that the qualification process aligns with the requirements of AWS D1.1 and any other applicable codes and standards.

Regards,

AB

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Best regards,

Amol K.B

B.E(Mech), CSWIP 3.2.2, NACE CIP 1 & ASNT LII(4M)