ASTM B221
Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
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About This Item
ASTM B221 is the ASTM standard that defines the requirements for aluminum and aluminum-alloy extruded bars, rods, wire, profiles, and tubes. It is used to describe product forms that need controlled dimensions, consistent material characteristics, and dependable performance in manufacturing and supply chains. By setting a common technical basis, ASTM B221 helps buyers, producers, and specifiers align on what constitutes acceptable extruded aluminum product.
ASTM B221 standard overview
The Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes provides a framework for these extruded product forms under a recognized ASTM standard. It is relevant when materials must be identified and supplied under defined specification requirements rather than general commercial description. ASTM B221 supports consistent product designation, purchasing, and evaluation by establishing a shared reference for extruded aluminum shapes and tubing used in technical applications.
Where is ASTM B221 used?
This specification is commonly used wherever aluminum extrusions are ordered, produced, or verified as bars, rods, wire, profiles, or tubes. It is useful in procurement documents, supplier agreements, and quality control workflows that depend on a clear material specification. ASTM B221 may also support engineering teams and inspectors when comparing product offerings or confirming that extruded aluminum items match the intended form and standard basis.
Practical importance of ASTM B221
In practice, ASTM B221 helps reduce ambiguity when aluminum extrusions are specified for purchase or fabrication. It supports compliance checks, product consistency, and more reliable communication between customer and supplier. Using the standard can streamline evaluation of materials, improve quality control, and lower the risk of receiving the wrong product form or specification basis. For organizations handling extruded aluminum products, ASTM B221 provides an important technical reference.
- Extruded aluminum product forms
- Bars, rods, wire, profiles, and tubes
- Specification and procurement reference
- Quality control and product verification
- Publication Date: 2021-10-29
- Publisher: ASTM
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