Clarification on ISO 15614-1

[Rohit mn]

Dear All,

Kindly Clarify below highlighted in red fonts...what should we understand by predominant weld and how to select????....as I understand all weld carry load.

 

ISO 15614-1

8.4.3 Type of joint/weld

The range of qualification for the type of welded joints is as used in the welding procedure test subject to limitations

given in other clauses (eg diameter, thickness) and additionally:

a) Butt welds qualify full and partial penetration butt welds and fillet welds. Fillet weld tests shall be required

where this is the predominant form of production welding.

rgds
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Rh

[Ashish Pathrabe]

Dear RH,

 

Fillet Weld test is required , if u r qualifying for Fillet weld,,,(if & if u qualify Butt weld -partial & full penatration,etc........) ...

 

With Regards,

Ashish Pathrabe

 

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Rh

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[c sridhar]

Mr. Rohit,

Butt welds qualify full and partial penetration butt welds and fillet welds. Fillet weld tests shall be required

where this is the predominant form of production welding.

In boiler / pressure parts welding  majority of joints are groove butt and few (percentage vice) are fillet type.

Any butt joint weld qualification will subsequently qualify  full, partial penetration butt as well as all fillet welds.

In structural fabrication, it could be on the reverse side,  i.e. majority of the joints are fillet type and few are of 

butt (groove, sq etc. depending upon base metal thickness factors) joints.

The code is very clear. If majority of your welds are of fillet type you have to do fillet weld - macro, break tests etc.

along with butt joint qualification.

Fillet weld test qualification will also help you to check the skill of the welder, i.e., his capabilities to produce sound

weld joints with required root penetration, fusion  and without undercuts, slag inclusion etc.

sridhar. 

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From: Rohit mn <rhmalh...@gmail.com>
To: material...@googlegroups.com
Sent: Tuesday, 8 January 2013 10:33 AM
Subject: [MW:16469] Clarification on ISO 15614-1

Rh --

[cbe swamy]

DearMr.Rohit,

 

Butt welds qualify full     Full Penetration with or with out backing palte.   refer attachment 

 

partial penetration butt welds and Fillet welds   Full Penetration with or with out backing palte  refer attachement

 

Fillet weld tests shall be required 

where this is the predominant form of production welding.     Pre-dominent is called that Fillet weld is essential and separate test coupan.

                                                                                                   (Ex: "T" joint welded, qualified range is only "T" joint

 

Thank & Best Regards,

 

M Veera SAMY- Bureau Veritas.

Coimbatore

 

 

 

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Date: Tue, 8 Jan 2013 10:33:00 +0530

Subject: [MW:16469] Clarification on ISO 15614-1

From: rhmalh...@gmail.com
To: material...@googlegroups.com