--- type: "WebPage" title: "ASTM B964 Testing" description: "Do you need to measure the flow rate of your metal powders according to ASTM B964? Securing ASD manufacturing processes with ASTM B964 In the Aerospace, Space, and Defense (ASD) sectors, the quality of metal powders is a safety imperative...." resource: "https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-b964/" tags: ["EN", "pll_698c4cc2264f4", "Arnaud JOUDRAIN Meta"] timestamp: "2026-04-22T13:05:36Z" published: "2026-02-11T09:32:50Z" language: "en" author: "Filab" --- # ASTM B964 Testing ## Do you need to measure the flow rate of your metal powders according to ASTM B964? ### Securing ASD manufacturing processes with ASTM B964 In the [Aerospace](https://filab.fr/en/sectors-of-activity/laboratory-analysis-aeronautics-aerospace.md), [Space](https://filab.fr/en/sectors-of-activity/laboratory-analysis-aeronautics-aerospace.md), and [Defense](https://filab.fr/en/sectors-of-activity/laboratory-analyses-tests-defense-security-sector.md) (ASD) sectors, the quality of [metal powders](https://filab.fr/en/our-services/our-analysis-services/laboratory-analysis-powder-characterization/metallic-powders-characterization-services-at-filab-laboratory.md) is a safety imperative. For certain fine powders or those with irregular [morphologies](https://filab.fr/en/our-services/our-expertise-services/laboratory-analysis-failures/morphological-defect-analysis-laboratory.md), standard flow is difficult to achieve. Poor flowability can alter the precision of the powder bed and the quality of your **essential parts.** [ASTM B964](https://store.astm.org/b0964-16.html) defines the standard test method for determining the flow rate of metal powders using the **Carney Funnel**. This method is the indispensable alternative for powders that do not flow using the Hall Funnel (ASTM B213), thus ensuring a reliable characterization of your raw materials. At **FILAB**, we support manufacturers in the ASD supply chain with the characterization of their powders according to ASTM B964. Our goal is clear: to ensure the reliability of your technical and industrial decisions. ### ASTM B964: A key challenge for fine and complex powders ### Determination of flow rate (Carney Flow) according to ASTM B964 Unlike the Hall funnel, the Carney funnel features a wider orifice, allowing for the measurement of the flow rate of more cohesive powders or those with a finer particle size distribution. It is specifically used to: - **Characterize the flowability** of powders that fail the Hall test. - **Verify batch homogeneity** of Additive Manufacturing powders. - **Qualify recycled powders** whose morphology may have evolved. In the Aerospace and Defense industries, mastering flowability according to ASTM B964 has a direct impact on: - Layer **deposition regularity** in metal 3D printing. - **Density and absence** **of defects** in sintered components. - **In-service performance** of **strategic components** derived from Powder Metallurgy (PM) processes. ## FILAB, a laboratory tailored to Aerospace & Defense requirements ### An analytical park dedicated to ASTM B964 testing Flow measurement according to ASTM B964 requires perfectly maintained and calibrated equipment. To meet these demands, **FILAB** provides its clients with state-of-the-art physical characterization tools : [### Carney Funnel with a calibrated 5.0 mm orifice](https://filab.fr/en/our-technical-resources/flowability-test-hall-or-carney-cone-in-laboratory.md) ### PSD (d10/d50/d90) [### Tap Density](https://filab.fr/en/our-services/our-analysis-services/laboratory-analysis-powder-characterization/tap-density-measurement-laboratory.md) ### Dedicated material expertise services At **FILAB**, ASTM B964 analysis is part of a comprehensive powder characterization approach. We do not simply provide a result; we interpret the rheological behavior of your materials. Our teams work on : [Superalloy](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/superalloy-analysis-laboratory.md), [Titanium](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/laboratory-analysis-titanium-alloys.md), and Special [Steel](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/laboratory-of-analysis-and-expertise-of-steels.md) powders Technical support for choosing the most suitable standard (Hall vs. Carney) Diagnosis of "non-flowability" and search for solutions (drying, morphology) [Measurement of powder flowability according to ISO 14629](https://filab.fr/en/our-services/our-analysis-services/laboratory-analysis-powder-characterization/measurement-powder-flowability-iso-14629.md) ### Why Choose FILAB ? - **45 years** of recognized expertise in analysis and materials science - **Dual competence:** Chemistry / Materials - Specializing in **metallic alloys**and **critical applications** - **Customer qualification**: Safran, Dassault Aviation, and Framatome - **ISO 17025 Accreditation** regarding metallic alloys [Discover our accreditations](https://filab.fr/en/about-us/accreditations-en.md) Discover our metallurgical expertise ## Analysis of Iron, Aluminium, Molybdenum, Copper, Tin, Chromium, Titanium, Lead, Nickel, Zinc [Learn more](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory.md) ### Our analytical services based on ISO and ASTM standards for the ASD sector [Analysis according to ASTM E3061 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-e3061.md) [Analysis according to ASTM E1086 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-e1086.md) [Analysis according to ASTM E1019 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-e1019.md) [Analysis according to ISO 8287 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/iso-8287-testing.md) [Analysis according to ASTM B213 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/analysis-astm-b213.md) [Analysis according to ASTM E1941 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/analysis-astm-e1941.md) [Analysis according to ISO 12154 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-iso-12154.md) [Analysis according to ASTM E1868 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-e1868.md) [Analysis according to ASTM E1409 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-e1409-analysis.md) [Analysis according to ASTM E415 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-e415.md) [Analysis according to ASTM E1251 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-e1086.md) [Analysis according to ISO 15350 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/iso-15350-testing.md) [Analysis according to ISO 4935 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/iso-4935-analysis.md) [Analysis according to ISO 4490 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/iso-4490-analysis.md) [Analysis according to ASTM B527 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-b527.md) [Analysis according to ASTM B923 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-b923.md) [Analysis according to ASTM A269 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/astm-analysis-a269.md) ### Our analytical services in accordance with MIL requirements for the ASD sector [Analysis according to MIL-T-9047 requirement](https://filab.fr/en/sectors-of-activity/laboratory-analyses-tests-defense-security-sector/mil-t-9047-analysis.md) [Analysis according to MIL-A-6088 requirement](https://filab.fr/en/sectors-of-activity/laboratory-analyses-tests-defense-security-sector/mil-a-6088-analysis.md) [Analysis according to MIL-DTL-14067 requirement](https://filab.fr/en/sectors-of-activity/laboratory-analyses-tests-defense-security-sector/mil-dtl-14067-analysis.md) [Analysis according to MIL-DTL-5002 requirement](https://filab.fr/en/sectors-of-activity/laboratory-analyses-tests-defense-security-sector/mil-dtl-5002-analysis.md) [Analysis according to MIL-A-22771 requirement](https://filab.fr/en/sectors-of-activity/laboratory-analyses-tests-defense-security-sector/mil-a-22771-analysis.md) [Analysis according to MIL-S-22499 requirement](https://filab.fr/en/sectors-of-activity/laboratory-analyses-tests-defense-security-sector/mil-s-22499-analysis.md) [Analysis according to MIL-P-83348 requirement](https://filab.fr/en/sectors-of-activity/laboratory-analyses-tests-defense-security-sector/mil-p-83348-analysis.md) ### Our additional metallographic analysis [Micrographic analysis](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/laboratory-micrographic-examination.md) [Failure analysis](https://filab.fr/en/our-services/our-expertise-services/laboratory-analysis-failures.md) [Chemical composition analysis](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/metallic-alloy-analysis-laboratory.md) [Metallurgical analysis](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory.md) [Metallographic analysis](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/examination-metallographic-section-laboratory.md) [Elemental analysis](https://filab.fr/en/our-services/our-analysis-services/chemical-analysis-laboratory/laboratory-elemental-analysis.md) [Analysis of metallic alloys](https://filab.fr/en/analysis-of-metallic-alloys-in-the-laboratory.md) ### Our other powder flowability measurement services [Analysis according to ISO 14629 standard](https://filab.fr/nos-prestations/analyse/laboratoire-analyse-caracterisation-poudre/mesure-coulabilite-iso-14629.md) [Analysis according to ISO 4490 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/iso-4490-analysis.md) [Analysis according to ASTM B213 standard](https://filab.fr/en/our-services/our-analysis-services/metallurgical-analysis-laboratory/analysis-astm-b213.md) ### Accreditation This [Nadcap accreditation](https://filab.fr/en/about-us/accreditations-en/materials-testing-nadcap-laboratory.md) notably covers: ✔️ Chemical analysis (ICP-OES) of critical metallic alloys (Al, Fe, Ni, Ti) ✔️ Metallography An international recognition that confirms our commitment to quality and reliability for the most demanding applications, particularly in the aerospace sector. ![](https://filab.fr/wp-content/uploads/2026/04/PNG-bleu-e1775737225243-1024x446.png) [Explore our accreditations](https://filab.fr/en/about-us/accreditations-en.md) ## FAQ When should ASTM B964 be used instead of ASTM B213? **ASTM B964 (Carney)** is used whenever a powder **does not flow** through the Hall funnel (2.5 mm orifice) or if the flow is inconsistent. The Carney orifice of **5.0 mm** allows for the characterization of these more difficult materials. Can spherical powders be analyzed according to this standard? Yes. Although spherical powders generally flow very well in the Hall test, ASTM B964 can be used for **extremely fine spherical powders** that may exhibit some cohesion. What is the impact of preparation on the result? The result is highly sensitive to humidity. If the standard or your specifications require it, Filab can perform prior **oven drying** of the powder to measure flowability in a dry state. How to get a quote? To get a quote, you can contact our teams via our contact form, by phone, or by email. Simply send us your requirements (type of material, desired analysis, specific standard, urgency, sample quantity...). We will then send you a personalized technical and price proposal within **24-48 hours**.