ASTM B365-12 (2019) PDF
Name in English:
St ASTM B365-12 (2019)
Name in Russian:
Ст ASTM B365-12 (2019)
Original standard ASTM B365-12 (2019) in PDF full version. Additional info + preview on request
Full title and description
St ASTM B365-12 (2019) — Standard Specification for Tantalum and Tantalum Alloy Rod and Wire. This specification covers chemical, mechanical, dimensional, manufacturing and finishing requirements for unalloyed and alloyed tantalum rod and wire supplied for industrial, chemical, electronic and engineering applications.
Abstract
ASTM B365-12 (reapproved 2019) specifies the requirements for tantalum and tantalum-alloy rod and wire, including permitted grades, manufacturing methods (vacuum-arc or electron-beam melting and powder-metallurgy consolidation), typical sizes and forms, required tests (chemical analysis, tensile and hardness tests, microstructural examination), dimensional tolerances, surface finish, ordering information and packaging. It establishes minimum acceptance criteria to ensure material suitability in corrosive, high-temperature and specialty applications.
General information
- Status: Published / Active (reapproved edition).
- Publication date: Reapproved November 2019 (designation B365‑12, current edition approved Nov 1, 2019).
- Publisher: ASTM International.
- ICS / categories: 77.150.99 — Other products of non‑ferrous metals (Reactive and refractory metals and alloys).
- Edition / version: B365‑12 (Reapproved 2019).
- Number of pages: 4 pages (typical published length for the reapproved 2019 edition).
Scope
This specification covers unalloyed and alloyed tantalum in the forms of rod and wire intended for industrial use. It defines the material grades by UNS numbers (for example UNS R05200, R05400 and various alloy designations), allowable manufacturing methods (vacuum‑arc/electron‑beam melting or powder‑metallurgy consolidation), size and form limits for rods and wires, surface finish requirements, dimensional tolerances, acceptance tests, inspection and marking, and ordering information. Very fine wire below specified minimum diameters and forms outside the listed tolerances are excluded unless otherwise agreed between purchaser and supplier.
Key topics and requirements
- Material grades and chemical composition (UNS designations for unalloyed and alloyed tantalum).
- Permitted manufacturing methods: vacuum‑arc melt, electron‑beam melt, and powder‑metallurgy consolidation.
- Mechanical property requirements and required tests (tensile testing, hardness, elongation; references to ASTM test methods).
- Dimensional tolerances for rod diameters, wire diameters, cut length variation and straightness limits.
- Surface finish and appearance requirements (clean, bright, free of defects unless otherwise specified).
- Ordering information: quantity, material name, UNS grade, method of manufacture, finish, dimensions, certification requirements and supplementary requirements.
- Inspection, sampling, and mill test certificate requirements (typical inspection documentation options).
- Packaging and marking recommendations to protect material during shipment and storage.
Typical use and users
Used by manufacturers, suppliers and purchasers of refractory/rare‑metal products, process equipment fabricators, chemical and petrochemical industry engineers, electronics and aerospace component producers, research laboratories and quality/inspection engineers. Typical applications exploit tantalum’s corrosion resistance and high‑temperature stability — for example chemical processing equipment, heat exchangers, cathodes, electrical components and specialty fasteners.
Related standards
Standards commonly referenced alongside B365 include ASTM B364 (tantalum ingots), ASTM B391/B392/B393 (niobium/tantalum mill product specifications), ASTM B708 (tantalum plate, sheet and strip) and the ASTM mechanical test practices referenced within B365 such as E8 (tension testing) and E29 (use of significant digits). Other regional or material‑specific specifications for tantalum and refractory metals may also be relevant depending on application.
Keywords
tantalum, tantalum alloy, rod, wire, UNS R05200, UNS R05400, vacuum‑arc melt, electron‑beam melt, powder metallurgy, corrosion resistance, ASTM B365, rod and wire specification
FAQ
Q: What is this standard?
A: It is ASTM B365‑12 (reapproved 2019), the Standard Specification for Tantalum and Tantalum Alloy Rod and Wire, which sets chemical, mechanical, dimensional and inspection requirements for tantalum rod and wire products.
Q: What does it cover?
A: It covers applicable grades (UNS designations), permitted manufacturing methods, size and form limits, required tests (chemical, tensile, hardness, microstructure), tolerances (length, straightness, diameter), surface finish, ordering information and packaging for rod and wire.
Q: Who typically uses it?
A: Material specifiers, purchasers, manufacturers and suppliers of tantalum products, plus engineers in chemical processing, electronics, aerospace and research organizations that require corrosion‑resistant or high‑purity refractory metals.
Q: Is it current or superseded?
A: The B365 designation in its 2012 version was reapproved in 2019 (designation shown as B365‑12, reapproved 2019). That reapproval (November 2019) is the latest published reapproval; users should confirm with ASTM International for any subsequent revisions after 2019.
Q: Is it part of a series?
A: Yes. B365 is part of the family of ASTM nonferrous and refractory metal product standards covering tantalum and related materials (for example B364 for ingots, B708 for plate/sheet/strip and companion standards for niobium and other refractory metals).
Q: What are the key keywords?
A: Tantalum, tantalum alloy, rod, wire, UNS R05200, UNS R05400, vacuum‑arc melt, electron‑beam melt, powder metallurgy, corrosion resistance, dimensional tolerances.