1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packing, transportation, storing and certificate of quality and contract (or order) contents of free-cutting copper alloy rod and bar.
This standard is applicable to free-cutting copper alloy rod and bar.
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 (including any amendments) applies to this document.
GB/T 228-2002 Metallic materials - Tensile testing at ambient temperature
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 3310 Copper alloy bars - Ultrasonic testing method
GB/T 5121 (all Parts) Methods for chemical analysis of copper and copper alloys
GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products
GB/T 6394 Determination of estimating the average grain size of metal
GB/T 8888 Wrought heavy non-ferrous metal products - Packing, marking, transporting and storing
GB/T 10119 Determination of dezincification corrosion resistance of brass
GB/T 10567.2 Wrought copper and copper alloys - Detection of residual stress - Ammonia test
GB/T 26303.2 Measuring methods for dimensions and shapes of wrought copper and copper alloy - Part 2: Rod, wire and profile
YS/T 336 Method of fracture test for tube and rod of copper and copper alloys, nickel and nickel alloys
3 Requirements
3.1 Product classification
3.1.1 Designation, state and specification
Foreword I
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packing, transportation, storing and certificate of quality
7 Contract (or order) contents
Annex A (Informative) Testing method for cutability
Annex B (Informative) Corresponding designations in this standard and the ASTM standards
