[MW:2420] RE: 2392] ASME B31.3

1. As per table 323.3.1, column (A), point A (5) a is applicable for the number of test pieces based on the thickness of test coupon 0.5T to T+6.
2. The application of table 323.3.1 is depends upon table 323.3.2
3. The table 323.3.2 should be cross referred with Table A-1 (Minimum temperature column) for impact requirement.
4. The thickness requirement will be applicable as per QW 403.6.

 

This is my interpretation of below mentioned query.

 

Regards,

Vasanth

 

 

 

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Tulasi-BV ADH
Sent: 10 June 2009 14:21
To: materials-welding@googlegroups.com
Subject: [MW:2392] ASME B31.3

 

Friends,

 

While qualifying a WPS for piping fabrication ( production welds ) as per ASME Sec IX & ASME B 31.3... what will be the base material qualification range in WPS.

 

1. As per ASME Sec IX QW 403.6 is applicable.

2. The base material thickness range 0.5 T to T+6 as given in table 323.3.1 ( Imact tesing requirements for metals ) in ASME B31.3 is applicable or not.

 

Could any one can send me the clarification. ( is there any applicable code case)

 

Our contractor saying that Table 323.3.1 is applicable only for materials which are going to use below the temparature specified in ASME B 31.3 for that material.

 

 
Regards,

Tulasi Ram

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