ASTM International

ASTM B75M - 99(2011) standard specification for seamless copper tube (metric)


Source: ASTM International

This specification establishes the requirements for seamless round, rectangular, and square copper tube (UNS Nos. C10100, C10200, C10300, C10800, C12000, and C12200) suitable for general engineering applications. The material of manufacture shall be billets, cast bars, or tube. The tube shall be manufactured by hot- and cold-working processes, shall be cold drawn to the finished size and wall thickness, and shall be supplied in cold-drawn or annealed temper condition. The material shall conform to the chemical composition requirements prescribed for copper, phosphorus, and arsenic, as determined by chemical analysis, and to the mechanical property requirements including tensile strength, yield strength, Rockwell hardness, and straightening. Requirements for grain size, electrical mass resistivity, and dimensions are specified. The following test methods are detailed: grain size, electrical resistivity, tensile and yield strength, and hardness tests, expansion test for round table, microscopical examination, test for hydrogen embrittlement, and nondestructive tests such as electromagnetic (eddy-current), hydrostatic, and pneumatic pressure tests.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification establishes the requirements for seamless round, rectangular, and square copper tube suitable for general engineering applications.

1.1.1 Tubes made from any of the following Copper UNS No. designations shall be supplied unless otherwise specified in the contract or purchase order:

Copper UNS No.    Type of Copper
C10100    Oxygen-free electronic
C10200    Oxygen-free without residual deoxidants
C10300    Oxygen-free, extra low phosphorus
C10800    Oxygen-free, low phosphorus
C12000    Phosphorus deoxidized, low residual phosphorus
C12200    Phosphorus deoxidized, high residual phosphorus

1.2 This specification is the SI companion to Specification B75.

1.3 The following hazard statement pertains only to the test method described in Sections, 21.2.9, and 21.2.10 of this specification: 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 and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents (purchase separately)

ASTM Standards
B75 Specification for Seamless Copper Tube
B153 Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing
B170 Specification for Oxygen-Free Electrolytic Copper--Refinery Shapes
B193 Test Method for Resistivity of Electrical Conductor Materials
B251M Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube [Metric]
B577 Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper
B601 Classification for Temper Designations for Copper and Copper Alloys--Wrought and Cast
E3 Practice for Preparation of Metallographic Specimens
E8M Test Methods for Tension Testing of Metallic Materials (Metric)
E18 Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials
E53 Test Methods for Determination of Copper in Unalloyed Copper by Gravimetry
E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E112 Test Methods for Determining the Average Grain Size
E243 Practice for Electromagnetic (Eddy-Current) Examination of Copper and Copper-Alloy Tubes
E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E527 Practice for Numbering Metals and Alloys (UNS)

Index Terms

seamless copper tube; seamless tube; tube: Engineering applications--specifications; Rectangular Cu tube; Copper electrical conductors--specifications; Round tube; Seamless Cu/Cu alloy tube--specifications; Square Cu/Cu alloy tube; UNS C10100 (oxygen-free copper)--pipe/tube; UNS C10200--pipe/tube (seamless/welded); UNS C10300--pipe/tube (seamless/welded); UNS C10800--pipe/tube (seamless/welded); UNS C12000--pipe/tube (seamless/welded); UNS C12200--pipe/tube (seamless/welded);

ICS Code

ICS Number Code 77.150.30 (Copper products)

DOI: 10.1520/B0075M-99R11

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