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At present Hartwell Manufacturing currently have a library of nearly 40 3rd Party approved PQRs.

Material coverage ranges from carbon steel, (S355J2), TIG, MMA, MAG, FCAW & SAW, Chromo-Moly steels (P11), TIG & MAG through to Stainless Steel (316L) in TIG, MAG & MMA.

Working in accordance with PD5500, BS1113 & ASME I, Hartwell have covered any eventuality, ranging from small diameter pipe work to thick plate sections, with a maximum weld deposited of 16mm in a single pass using SAW

Hartwell are continually looking at further qualifications to ensure the client’s needs are meet.

We also have a range of procedures tested to -50 degrees c in pipe & plate.

All our welders are approved to 287-1/9606-1 & ASME IX as a minimum, who are constantly monitored by our in house Welding Coordinator.

Hartwell have a pool of 25 welders, whose skills enable us to offer a comprehensive shop & site welding service to ensure the client requirements are met.

All welding procedures are managed by our RWC & are available for client review prior to work is commenced, with WPSs approved for nuclear, energy & chemical storage sectors.

With our ability to work in close contact with 3rd Party & Clients Hartwell Manufacturing ensure that all testing & requirements are met to the latest standards & operational needs.


Figure 1. Large multi-run fillet welding carried out with the use of rotators on a mixing vessel


Figure 2. Welder qualification to EN287-1/9606-1 in Carbon Steel.


Figure 3. Performance Qualification to EN15614-1

Hartwell Manufacturing are a privately owned company, who have been providing high-quality machining and fabrication services to the industry, since 1974.

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01924 262825

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