NA 145

DIN Standards Committee Technology of Materials

About NWT

The DIN Standards Committee Technology of Materials (NWT) is responsible for national (DIN), European (CEN) and international (ISO) standardization in the areas of powder metallurgy, heat treatment technology and additive manufacturing processes. For powdered metals, the field of work includes the standardization of terms, material properties, material treatment and processing as well as the necessary test methods for powder, sintered metals and hard metals. In the field of heat treatment technology, the field of work includes the standardization of terms, heat treatment processes, test methods as well as requirements for heat treatment systems and heat treatment agents. The field of work for additive manufacturing processes includes the standardization of the individual processes, their terms, process chains (hardware and software), test methods, quality parameters, delivery agreements as well as their necessary foundations.

How is NWT composed?

Contact

DIN e. V.
Michaela Treige

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
DIN EN ISO 4491-3 rev 2024-11-05 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen More  Comment 
DIN EN ISO/ASTM 52954-1 2024-10-18 Additive manufacturing - Qualification principles - Part 1: Common failure modes used for risk mapping More  Comment 
DIN EN ISO/ASTM 52951 2024-10-18 Additive Manufacturing - Data - Data packages for AM parts More  Comment 

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Current Draft Standards
Document number Edition Title
DIN EN 13445-14 2025-01 Unfired pressure vessels - Part 14: Additional requirements for pressure equipment and pressure components fabricated with additive manufacturing methods; German and English version prEN 13445-14:2024 More 

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New publications
Document number Edition Procedure Title
DIN EN 13445-14 2025-01 Unfired pressure vessels - Part 14: Additional requirements for pressure equipment and pressure components fabricated with additive manufacturing methods; German and English version prEN 13445-14:2024 More 
DIN EN ISO 27548 2024-12 Standard Additive manufacturing of plastics - Environment, health, and safety - Test method for determination of particle and chemical emission rates from desktop material extrusion 3D printer (ISO 27548:2024); German version EN ISO 27548:2024 More  Order from DIN Media
DIN EN ISO 642 2024-11 Standard Steel - Hardenability test by end quenching (Jominy test) (ISO 642:2024); German version EN ISO 642:2024 More  Order from DIN Media

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