ASTM F3674 is the ASTM standard titled Standard Practice for Additive Manufacturing – Part Grades for Automotive, and it provides a technical framework for identifying part grades in an automotive additive manufacturing context. It is relevant for organizations that need a clearer basis for specifying, comparing, and communicating part expectations. By focusing on grading practice rather than a broad manufacturing theory, this standard helps support more consistent interpretation across production, purchasing, and quality workflows.

Purpose of ASTM F3674

The purpose of ASTM F3674 is to establish a practical standard practice for part grades associated with additive manufacturing for automotive applications. In that role, it can help align suppliers, engineers, and buyers around a common language for part classification and acceptance expectations. This type of ASTM standard is useful when organizations need a repeatable way to define technical requirements, reduce ambiguity, and support more consistent decision-making across design, sourcing, and quality control processes.

Common use cases of ASTM F3674

ASTM F3674 may be used in automotive additive manufacturing workflows where part grades need to be identified and applied consistently. It is commonly relevant during specification writing, supplier qualification, product review, and internal quality checks for additively manufactured components. The standard can also support communication between engineering and procurement teams when comparing parts made by different processes, materials, or production routes within an automotive supply chain.

Why ASTM F3674 matters

ASTM F3674 matters because part grading can influence how additive manufactured automotive parts are evaluated, documented, and accepted. A clear standard practice helps reduce misunderstanding, supports compliance efforts, and improves consistency in product evaluation. For organizations managing technical requirements or sourcing decisions, it can also lower risk by giving teams a shared reference point for quality control and procurement discussions. ASTM F3674 is therefore useful wherever repeatability and traceability are important.

• Part grade identification
• Automotive additive manufacturing
• Specification and procurement support
• Quality control consistency
• Supplier communication