TWG GROUP

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TWG GROUP

Welding Procedure Specification

1. A Welding Procedure Specification (WPS) is a formal written document describing welding procedures, which provides direction to the welder or welding operators for making sound and quality production welds as per the code requirements .

2. The purpose of the document is to guide welders to the accepted procedures so that repeatable and trusted welding techniques are used. A WPS is developed for each material alloy and for each welding type used.

3. Specific codes and/or engineering societies are often the driving force behind the development of a company's WPS.

4. A WPS is supported by a Procedure Qualification Record (PQR or WPQR). A PQR is a record of a test weld performed and tested (more rigorously) to ensure that the procedure will produce a good weld.

5. Individual welders are certified with a qualification test documented in a Welder Qualification Test Record (WQTR) that shows they have the understanding and demonstrated ability to work within the specified WPS.

6. The American Society of Mechanical Engineers (ASME) similarly defines a WPS as a written document that provides direction to the welder or welding operator for making production welds in accordance with Code requirements.

7. ASME also defines welding PQR as a record of variables recorded during the welding of the test coupon. The record also contains the test results of the tested specimens.


ADDRESS :

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  • no.5, boopathy street, virugambakkam, virugambakkam - bus stop opposite chennai , tamil nadu , india.
    tel: 044 - 420 77677, 044 - 430 72173
    cell : 093845 77677
    email : twggroupchennai@gmail.com
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  • dheepam complex no.574 to 581, 100 feet road, near g.p.signal, landmark: kalyan jewellery gandhipuram coimbatore - 641 012 . tamil nadu , india.
    contact : jasmine : 093810 77677, 093845 77677,
    contact : sandhiya : 093825 88890
    email : twggroupchennai@gmail.com
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    contact : jenifer : 093845 77677, 93810 77677
    contact : suganya : 093825 88890
    email : twggroupchennai@gmail.com
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  • crescent business square" room no.810, kherani road,opposite - sj studios sakinaka metro junction, andheri (east) mumbai - 400 059.
    cell : 093810 48884, 073580 27788, 093810 77677
    email : twggroupmumbai@gmail.com
     
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    contact : 073580 27788, 093810 48884, 76692 48884.
    email : twggroupchennai@gmail.com
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    email : twggroupchennai@gmail.com
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  • twg group cochin Palarivattom,Cochin,kerala,india - 682 025.contact :Cell : 073580 27788, 093810 48884,
    email : twggroupmumbai@gmail.com
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