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Protolabs receives DNV certification for Inconel 718 AM in Oil & Gas

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Trust is key to the Oil & Gas industry – and to the energy sector as a whole. So the DNV certification for Protolabs’ metal additive manufacturing service will provide important assurances around part performance and equipment safety for the demanding conditions of the sector.

Protolabs, a digital manufacturer, who’s own facilities extend across the EMEA region, the US, and Japan, has worked closely with DNV to achieve ‘Qualification of Manufacturer’ certification. Protolabs is among the first manufacturers in the EMEA region to achieve the certification, and the first certified manufacturer using powder bed fusion technology in their additive process – ideal for high resolution and geometrical accuracy.

Daniel Cohn, General Manager and 3DP Lead for Protolabs EMEA commented: “Trust is, rightly, an important necessity for the Oil & Gas industry and also the wider energy sector. But now assurance can be given with the work we’ve conducted under the keen eye of DNV – the independent expert in risk management and assurance for the sector. Audits of our manufacturing facilities and processes prove that we comply with the general demands of the Oil & Gas industry so we can now move forward with even greater support for the sector as a whole”.

Protolabs 3D printing gets the first DNV certification in the Oil & Gas and energy
Daniel Cohn, General Manager and 3DP Lead for Protolabs EMEA

The certification applies to Protolabs’ direct metal laser sintering (DMLS) technology, specifically for the superalloy Inconel 718 – high-strength, corrosion-resistant nickel-chromium. Combining the properties of the material with Protolabs’ expertise in DMLS means the company can rapidly produce complex geometries for parts that are exposed to the harsh environments typical of the sector.

Achieving the certification is a process of technical evaluation of a number of probes within the machinery in combination with the material, individually, and the system as a whole. The independent certification provides reliable proof that the probes meet the high-quality standard set out by DNV. Dr. Sastry Kandukuri, Senior Principal Materials Specialist in DNV’s Energy Systems Business Unit, commented: “I am very happy our Global Additive Manufacturing Technology Centre of Excellence was able to support Protolabs to reach this milestone, as the first certified manufacturer using powder bed fusion technology in their additive process. We look forward to continuing our relationship with Protolabs that gives the assurance and confidence of AM products as their use grows in the Oil and Gas and Energy industries”.

Certification of Protolabs’ DMLS process and its Inconel 718 superalloy provides a new level of assurance, but the company offers a variety of materials and technologies that are relevant to the Oil & Gas, Maritime and Offshore industries, as well as the broader energy sector. Cohn continued: “We offer a number of metals and plastics for additive manufacturing, each suited to the specific needs of a project. We naturally see possibilities in the sector for Inconel 718 but also, in a less extreme temperature range, for Stainless Steel 316L. We also see possibilities with functional polymers in applications where conditions are not so extreme. The DNV certification applies to our Inconel 718 but we see it as a testament to our quality process and expect to see that trust extend to our whole offering”.

Cohn predicts initial responses to the certification to include additive manufacturing of spare parts where the original molding casts no longer exist. “I believe the sector will turn to additive technologies to replace what was formerly cast, but also to look into design possibilities to increase efficiency and create more robust designs for parts such as pumps, valves, components for turbines or sensoring equipment. Moreover, the certification assures customers that they can use the additive manufacturing route to unlock decarbonization benefits. Additive manufacturing can grow even faster in this way if there is trust in the technology, materials, processes, and in the manufacturing companies themselves”.

Protolabs, as part of its drive to offer 3D printed parts even faster through a growing portfolio of materials and services, is building a new 5000 square meter production facility in Putzbrunn in Germany that will give customers even greater access to the firm’s automated manufacturing processes and quality systems. The 13.5m investment will increase its 3D printing capability by 50% to meet the growing demand for this technology.

Cohn concluded: “We are the fastest digital manufacturer that can provide assurances needed, but a major goal for us is to produce parts even faster and deliver on an even wider envelope of service for our customers. When a finished design enters our online ordering platform it goes through a short feasibility check by our expert design team, and then on be printed. The DNV certification will give us the trust needed and the new facility will give us the capacity needed to deliver even more projects in as little as 1 day”.

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Andrea Gambini

Andrea has always loved reading and writing. He started working in an editorial office as a sports journalist in 2008, then the passion for journalism and for the world of communication in general, allowed him to greatly expand his interests, leading to several years of collaborations with several popular online newspapers. Andrea then approached 3D printing, impressed by the great potential of this new technology, which day after the day pushed him to learn more and more about what he considers a real revolution that will soon be felt in many fields of our daily life.

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