ASTM B61-15 (R2021) pdf free download.Standard Specification for Steam or Valve Bronze Castings.
1 .1 This specification establishes requirements for a high- grade steam-nietal or valve-bronze alloy (Copper Alloy UNS No. C922003) used for component castings of valves, flanges. and fittings.
1.2 The castings covered are used in products that may be manufactured in advance and supplied from stock by the manufacturer or other dealer.
1.3 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.
1 .4 This niternational standard as developed in accordance with inrnational!v recognized principles on standardization established in the decision on Principles for the Development of International Standards, Gii ides and Recom - me,idations issued by the lVorld Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2. 1 ASTM Standards:
B208 Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold. Centrifugal, and Continuous Castings
13824 Specification for General Requirements for Copper Alloy Castings
B846 Terminology for Copper and Copper Alloys
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
2.2 ASME Code:5
ASME Boiler and Pressure Vessel Code
2.3 MSS Standard:6
SP-25 Standard Marking System for Valves, Fittings, Flanges and Unions
3. General Requirements
3.1 The following sections of Specification B824 form a part of this specification. In the event of a conflict between this specification and Specification B824, the requirements of this specification shall take precedence.
3.1.1 Terminology (Section 3),
3.1.2 Other Requirements (Section 7),
3.1.3 Dimensions, Mass, and Permissible Variations (Section 8).
3.1.4 Workmanship, Finish, and Appearance (Section 9),
3.1.5 Sampling (Section 10),
3.1.6 Number of Tests and Retcsts (Section 11),
3.1.7 Specimen Preparation (Section 12),
3.1.8 Test Methods (Section 13),
3.1.9 Significance of Numerical Limits (Section 14),
3.1.10 Inspection (Section 15),
3.1.11 Rejection and Rehearing (Section 16),
3.1.12 CertifIcation (Section 17),
3.1.13 Test Report (Section 18),
3.1.14 Product Marking (Section 19), and
3.1.15 Packaging and Package Marking (Section 20).
4. Terminology
4.1 For definitions of terms relating to copper and copper alloys, refer to Terminology B846.
5. Ordering Inforniation
5.1 Include the following information when placing orders for castings under this specification.ASTM B61-15 pdf download.