1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packing, transportation and storage as well as order (or contract) for sheet of copper and copper alloy.
This standard is applicable to the sheet of wrought copper and copper alloy for general purpose.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, all subsequent modifications (excluding correction contents) or revisions are not applicable to this code. However, all parties coming to an agreement according to this code are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.
GB/T 228-2002 “Metallic Materials-Tensile Testing at Ambient Temperature”
GB/T 230.1 “Metallic Materials—Rockwell Hardness Test Part 1: Test Method (A, B, C, D, E, F, G, H, K, N, T scales)”
GB/T 232 "Metallic materials—Bend Test"
GB/T 351 "Metallic Materials-Resistivity Measurement Method"
GB/T 4340.1 "Metallic Materials—Vickers Hardness Test Part 1: Test Method"
GB/T5121 "Methods for Chemical Analysis of Copper and Copper Alloys (All parts)"
GB/T 5231 "Wrought Copper and Copper Alloys Chemical Composition Limits and Forms of Wrought Products"
GB/T 6147 "Test Method for Thermoelectric Power of Precision Resistance Alloys"
GB/T 6148 "Test Method for Temperature-resistance Coefficient of Precision Resistance Alloys"
GB/T 8888 "Wrought Heavy Non-ferrous Metal Products-Packing, Marking, Transporting and Storing"
GB/T 17793 "Wrought Copper and Copper Alloy Plate, Sheet and Strip for General Purposes-Dimensions and Tolerances"
YS/T 347 "Copper and Copper Alloys-Estimation of Average Grain Size"
3 Requirements
3.1 Product Classification
3.1.1 Designation, state and specification
The designation, state and specification of sheet shall be in accordance with those specified in Table 1.
3.1.2 Mark illustration
The product marks shall be expressed in the sequence of the product name, designation, state, specification and standard number. The mark illustration is listed as follows:
The 0.8mm-thick, 600mm-wide and 1500mm-long special-sized sheet made of H62 and of Y2 supply state is marked as:
Copper sheet H62Y2 0.8×600×1500 GB/T 2040-2008
Foreword I
1 Scope
2 Normative References
3 Requirements
3.1 Product Classification
3.2 Chemical Compositions
3.3 Overall Dimensions and Allowable Deviation
3.4 Mechanical Properties
3.5 Bend Test
3.6 Grain size
3.7 Electrical Properties
3.8 Surface Quality
4 Test Methods
4.1 Arbitration Analysis Method of Chemical Compositions
4.2 Mechanical Property Inspection Method
4.3 Bend Test Method
4.4 Inspection Method of Grain Size
4.5 Inspection Method of Electrical Property
4.6 Dimension Measuring Method
4.7 Inspection Method of Surface Quality
5 Inspection Rules
5.1 Inspection and Acceptance
5.2 Batching
5.3 Inspection Items
5.4 Sampling
5.5 Judgment of Inspection Result
6 Marking, Packing, Transportation and Storage
7 Order (or Contract) Contents
