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 Comment
DIN EN ISO 4490 rev 2026-01-16 Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter) More  Comment 
ISO/AWI 4490 2026-01-09 Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter) More  Comment 
DIN EN ISO/ASTM 52971 2025-12-02 Additive manufacturing - Non-destructive testing and evaluation - Dimensional measurements on XrayComputed Tomography images More  Comment 

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New publications
Document number Edition Procedure Title Order from DIN Media
DIN EN ISO 18203 2026-05 Standard Steel - Determination of the thickness of surface-hardened layers (ISO 18203:2026); German version EN ISO 18203:2026 More  Order from DIN Media
DIN EN ISO/ASTM 52967 2026-05 Standard Additive manufacturing for aerospace - General principles - Part classifications for additive manufactured parts used in aviation (ISO/ASTM 52967:2024); German version EN ISO/ASTM 52967:2025 More  Order from DIN Media
DIN EN ISO 3325 2026-04 Standard Sintered metal materials, excluding hardmetals - Determination of transverse rupture strength (ISO 3325:2026); German version EN ISO 3325:2026 More  Order from DIN Media

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