DNV awards first type approval certificate for 3D printing raw materials – Digital Ship

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voestalpine Böhler Welding Germany has become the first manufacturer in the world to receive a type approval certificate from the DNV classification society, for its 3Dprint AM 70/I1 solid wire feedstock.

Type approval was granted based on DNV’s new class program, DNV-CP-291 “Additive Manufacturing Feedstock”.

The type approval certificate was presented to voestalpine Böhler Welding Germany at the DVS congress held in Essen, Germany and is the first of its kind to be issued by a classification society. Raw material is one of the most critical aspects of metal additive manufacturing (AM), as it determines the quality and repeatability of components and processes.

“We are very pleased that voestalpine Böhler Welding Germany has chosen DNV as their preferred class partner for this ambitious project,” said Torgeir Sterri, Regional Manager, Western Europe at DNV Maritime. “Additive manufacturing could have a significant impact on the maritime production chain, enabling the printing of parts on demand, even on board ships, reducing waiting times and reducing the carbon footprint of the entire the supply chain.”

“The world’s first type approval for raw materials by DNV is an important milestone for the qualification of additively manufactured parts for marine service. The approval bridges the gap in the supply chain from raw material to part and shows a promising perspective on how a qualification works under the guidelines of a ship classification society. The cooperation between the partners during the approval process was efficient and based on a high level of technical understanding,” commented Dr. Martin Peruzzi, CTO of voestalpine Böhler Welding.

“DNV has been studying the opportunities and challenges posed by AM since 2016 and continues to lead the way in future-oriented industry initiatives involving key stakeholders globally,” said Ramesh Babu Govindaraj, Materials and welding at DNV. “Our role as a classification society is to ensure that these components are of similar or superior quality to conventionally produced products and meet classification requirements.”

In 2017, DNV published the first guideline for the use of AM in the maritime and energy industries and in 2018 published the first manufacturer approval (AoM) program for additive manufacturing (AM). In 2019, DNV developed the Type Approval Program for AM Raw Materials, for producers wishing to supply products that comply with DNV rules and standards. The type approval program is designed to verify a manufacturer’s ability to deliver products to given specifications and in accordance with the requirements of DNV rules.

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