This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality certificate, and order (or contract) contents of drawn tube of copper and copper alloys.
This standard is applicable to round and rectangular (square) drawn tubes of copper and copper alloys for general purposes (hereafter referred to as "tubes").
2 Normative references
The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 228.1-2010 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 242 Metallic materials - Tube C Drift-expanding test
GB/T 246 Metallic materials - Tube - Flattening test
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1: Test method
GB/T 5121 (all parts) Methods for chemical analysis of copper and copper alloys
GB/T 5231 Designation and chemical composition of wrought copper and copper alloys
GB/T 5248 Electromagnetic (eddy-current) examination of copper and copper alloy seamless tube
GB/T 8888 Wrought heavy non-ferrous metal products - Packing, marking, transportation, storing and certificate of quality
GB/T 10119 Determination of dezincification corrosion resistance of brass
GB/T 10567.1 Wrought copper and copper alloys - Detection of residual stress - mercury nitrate test
GB/T 10567.2 Wrought copper and copper alloys - Detection of residual stress - Ammonia test
GB/T 16866 Dimensions and tolerances of copper and copper alloy seamless tubes
GB/T 26303.1 Measuring method for dimensions and shapes of wrought copper and copper alloy - Part 1: Tube
YS/T 347 Copper and copper alloys - Estimation of average grain size
