ASTM B508-22 PDF
Standard Specification for Copper Alloy Strip for Flexible Metal Hose
Standard Specification for Copper Alloy Strip for Flexible Metal Hose
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 6
- Дата публикации:
- 1 мая 2022 г.
- Издание:
- B508
- ICS:
- 77.150.30
ABSTRACT This specification covers welded copper-nickel alloy pipes produced from Copper Alloy UNS Nos. C70600 and C71500 for general engineering applications. Pipes may be produced in any one of the following tempers: as-welded from annealed sheets, strips, or plates (WM50); as-welded from cold-worked sheets, strips, or plates (WM00, WM01, WM02, and so forth); welded and annealed (WO50); welded, light cold drawn (WR00) or hard cold drawn (WR04), and stress relieved; or fully finished as annealed, light drawn (WH00) or hard drawn (WH04), and stress relieved. Products shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional (outside diameter, specific and stock lengths, wall thickness, squareness of cut, and roundness), mechanical (tensile and yield strengths, and elongation), and chemical composition requirements. Specimens shall also undergo nondestructive tests such as radiographic examination, eddy-current test, and hydrostatic test. SIGNIFICANCE AND USE 15.1 For purposes of determining compliance with the specified limits for requirements of the properties listed in the following table, and for dimensional tolerances, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29: Property % Rounded Unit for Observed or Calculated Value Chemical composition nearest unit in the last right hand place of figures of the specified limit Grain size nearest multiple of 0.005 mm SCOPE 1.1 This specification establishes the requirements for annealed copper-alloy strip for the manufacture of flexible metal hose produced from Copper Alloy UNS Nos. C41100 and C50500. 1.1.1 The nominal compositions are as follows: Copper Alloy UNS No. Copper Zinc Tin C41100 91.0 8.5 0.5 C50500 98.7 ... 1.3 1.2 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Grain size is given in SI units. 1.3 The following safety hazard caveat pertains only to the test methods portion, Section 14, described in this specification: 1.3.1 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Abstract
Overview
ASTM B508-22: Standard Specification for Copper Alloy Strip for Flexible Metal Hose is an internationally recognized standard developed by ASTM International. This specification establishes the requirements for annealed copper-alloy strips used in the manufacture of flexible metal hose. The specified materials are Copper Alloy UNS Nos. C41100 and C50500, which are valued in applications requiring flexibility and durability, such as engineered hose assemblies for fluid transport.
ASTM B508-22 defines standards for chemical composition, mechanical and dimensional properties, temper, grain size, and testing procedures to ensure product quality and consistency. The standard supports engineers, manufacturers, and purchasers in selecting and verifying copper alloy strip products that meet rigorous performance and safety expectations.
Key Topics
- Material Composition: The standard covers copper alloy strips made from UNS C41100 (copper, zinc, and a small amount of tin) and C50500 (copper and tin). Each alloy’s permitted range of elements is specified for reliable performance.
- Annealed Tempers: ASTM B508-22 details a range of annealed temper codes with nominal grain sizes to provide flexibility for various end-use demands.
- Dimensional Tolerances: The specification sets precise tolerances for thickness, width, and straightness to ensure form and fit in hose assembly.
- Workmanship and Appearance: Quality requirements include freedom from internal and external defects and acceptable surface finishes, helping guarantee consistent hose manufacturing.
- Testing and Inspection: Procedures for sampling and testing are outlined, including chemical analysis, grain size measurement (per ASTM E112), and inspection protocols for compliance and retesting.
- Ordering Guidance: The standard advises how to specify product form, temper, quantity, dimensions, and packaging when placing orders.
Applications
ASTM B508-22 is widely applied in industries that require high quality copper alloy strip for flexible metal hose production. Typical applications include:
- Industrial fluid and gas transport systems, where flexible hoses need durable, corrosion-resistant inner liner materials.
- Chemical processing assemblies, benefitting from the alloys’ resistance to specific substances.
- Automotive, aerospace, and HVAC sectors, where flexible metal hoses are used in fuel, coolant, or refrigeration lines.
- General engineering applications involving the transmission of media under variable pressures and temperatures, necessitating high reliability and strict dimensional consistency.
Manufacturers and end users rely on ASTM B508-22 to ensure that copper alloy strips meet precise chemical, mechanical, and physical criteria, supporting safe and efficient flexible hose manufacture.
Related Standards
- ASTM B601 - Classification for Temper Designations for Copper and Copper Alloys
- ASTM B846 - Terminology for Copper and Copper Alloys
- ASTM E29 - Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
- ASTM E112 - Test Methods for Determining Average Grain Size
- ASTM E478 - Test Methods for Chemical Analysis of Copper Alloys
- ASTM E255 - Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
These related standards provide supporting test methods and terminologies that help ensure compliance with the requirements set out in ASTM B508-22. Adherence to this specification and its referenced documents drives quality, interoperability, and confidence across the copper alloy strip supply chain for flexible metal hose manufacturing.
Технические детали
- Технический комитет
- B05 - Copper and Copper Alloys
- SKU
- ASTM B508-22
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