Hello Gents,
I want to carry out a welding procedure qualification testing for welding jackets structural members, the applicable construction code is AWS D1.1. Project material is API 2W Gr 50 pipe rolled from TMCP plates, and job maximum thickness is 76.2mm,and project requires CVN testing at (-40°C).
1. What will be the best combination of thickness ( T1 & T2 )for the pipes to produce a TKY joint that will pass CVN testing at the above job required CVN testing temperature ? will PWHT be applicable as per code? Also specify code references.
2. Will these qualification qualifies welding on API 2MT1 Gr 50 pipes rolled from TMCP plates with thickness 50.8mm with CVN requirement of (-30°C).
3. I am required to make a procedure for welding pressure vessel of thickness 75mm as per ASME VIII DIV 1, project material is ASTM A 516 Gr 70 N and project requires cvn testing at (-30°C), will it be possible to qualify these procedure with a lesser thickness of the same material, will it meet the impact requirement as per applicable code? Please help with your contributions and provide applicable code references
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