DNV releases new edition of 3D printing standard

DNV has unveiled a major update to its flagship additive manufacturing (AM) standard, DNV-ST-B203, introducing new requirements designed to accelerate the safe, reliable and sustainable use of 3D-printed components across the energy and maritime industries. The revised standard, developed through the ProGRAM joint industry project (JIP), now extends to polymer parts and incorporates enhanced guidance on design, qualification and environmental performance.

As one of only two globally recognised AM standards for the energy sector, the latest edition reinforces DNV’s commitment to making industrial 3D printing more practical, cost-efficient and scalable.

“With global competition in AM standards, it is crucial to provide a robust, practical framework that builds trust and scalability for this transformative technology,” said Dr. Sastry Kandukuri, global practice lead for additive manufacturing at DNV. “This edition directly addresses industry needs with practical design rules and clear CO₂ footprint metrics, empowering our customers to adopt AM with greater confidence.”

Key enhancements in the new edition include:

Practical design guidelines:
New design rules help engineers make full use of AM capabilities, enabling improved geometry optimisation, material selection and overall component performance.

Guidelines for reporting CO₂ footprint:
A new methodology allows users to calculate the carbon footprint of AM parts, supporting more informed and sustainable decision-making.

Expanded qualification framework:
A more streamlined system groups parts under shared qualifications, reducing duplicated testing, cutting costs and shortening time-to-market.

Inclusion of polymer AM parts:
For the first time, the standard incorporates a comprehensive qualification pathway for polymer components, reflecting the growing adoption of polymer AM across industry.

“Additive manufacturing offers a way of reducing material waste and supply-chain-related emissions. Its digital nature also enables new ways of ensuring quality control, which in turn increases confidence in a part’s integrity. Standardization is the bedrock for achieving these objectives,” said Prajeev Rasiah, executive vice president and regional director for Northern Europe for Energy Systems at DNV.

DNV said the updated standard aims to strengthen industry confidence, support sustainability targets and help companies adopt AM technologies in a secure, efficient and future-proof way.

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