Sustaining Welding Quality

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Controlling the welding process using ISO 3834 will ensure the quality is maintained in your company and it will demonstrate to your clients that you can

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• Weld the material to a defined standard

• Welders can follow a WPS and have the skill to weld in the different processes, material and positions your company use

• Know and understand possible defects that may occur and check where required. 

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Introducing these standards within your welding systems should ensure a consistent level of welding quality and demonstrate to YOUR customers that you have the skill and procedures in place to weld their parts.

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If you want to discuss how to ensure sustained welding quality or you want more information please contact WECS using the Contact page

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Key points

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WPQR (Parent Metal Welding) – BS EN ISO 15614 – 1 to 14

The (European) standards all derive from EN ISO 15607, this document details the “general rules” that are used to qualify a Welding Procedure Qualification Record (WPQR or commonly known as a PQR).  A PQR is simply a test of the material to ensure it is equal to or better than the parent metal.

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WPS (Work instruction for the welder) – BS EN ISO 15609 – 1 to 5

A PQR has a derived document called a Welding Procedure Specification (WPS), this is the work instruction used by the welder to weld the parts within a defined range.

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The Welder – BS EN ISO 9606 – 1 to 5

Welders have their own BS EN ISO standards defined by the BS EN ISO 9606 series, the specific one to use will depend upon which material is being welded. These tests demonstrate that the welder is able to weld using a specific process, consumable and position. The welder needs to be tested and checked over different periods of time depending upon which specific EN ISO 9606 document that is used.

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Do not assume a company can weld your product if they just have 'Coded Welders'. Welding quality is about much more than your the welder. 

 

Sustaining Welding Quality depending upon material and process - BS EN ISO 5817, 10042 or 13919 and connected standard BS EN ISO 6520 (1 & 2)

The last part is to ensure the quality of welding is maintained, understanding what a defect is, how it can be caused and ensuring that, if it does occur the parts are inspected and repaired, if necessary.

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The welding, welder and quality can also be qualified in accordance with ASME IX. Advice can also be provided on this standard if required

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Using these industry standards will ensure your company can demonstrate to your clients that your company can produce welded components to an internationally agreed standard.