GB/T 2529-2012 English PDF (GBT2529-2012)

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GB/T 2529-2012: Copper sheets and bars for electrical conduction purpose
GB/T 2529-2012
Copper sheets and bars for electrical conduction purpose
ICS 77.150.30
H62
National Standards of People's Republic of China
Replacing GB/T 2529-2005
Conductive copper plate and strip
Issued on. 2012-12-31
2013-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The main technical indicators in this standard reference strip used ASTMB187M-2006 "copper bus bars, rods and profiles," the
Strip section.
This standard replaces GB/T 2529-2005 "with copper and conductive strip." This standard and GB/T 2529-2005 compared to the main changes
as follows.
Alloy --- Product added TU2, TU3;
State --- Product representation adopted a new "state of copper and copper alloy representation";
--- Normative references added GB/T 26303.3 "copper and copper alloy processing material Dimensions detection methods - Part 3.
Plate and strip ", YS/T 478" Copper and copper alloy conductivity eddy current testing method ", YS/T 482" Copper and copper alloys Analysis photoelectric
Emission Spectrometry ";
--- Plate, strip state removed 1/8 hard;
--- Plates, the maximum length of the strip increased from 8000mm to 12000mm;
--- Pair of longitudinal edges of straightness required by the state to be divided;
--- Edge profile content increases the smooth transition requirements;
Mechanical properties --- sheet, strip in the sample A11.3 Elongation rate long to short sample A;
--- Electrical properties sheet, strip increases the performance of resistivity;
--- Increased electrical performance using YS/T 478 "Copper and copper alloy conductivity eddy current test" detection methods and the use of Dimensions
GB/T 26303.3 "copper and copper alloy processing material Dimensions detection methods - Part 3. plate and strip" test method.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is drafted by. silver colored northwest Copper Co., Ltd., Foshan City, Huahong Copper Tube Co., Ltd., Chinalco Luoyang Copper has
Limited.
Participated in the drafting of this standard. Zhejiang Honglei Copper Co., Ltd.
The main drafters of this standard. Li Shuanglong, Ren Yanli, born to Deng, Liu Shengwei, wide Wei Kun, Jiang Jie, Liu Hui, Jingshuitan Zhu Yingli, Sun drops,
Zhang Xiangyun, Zhang Zhenyu, Wei Zhe strong.
This standard replaces the standards previously issued as follows.
--- GB/T 2529-1989, GB/T 2529-2005.
Conductive copper plate and strip
1 Scope
This standard specifies the use of conductive copper plates and strips requirements, test methods, inspection rules and signs, packaging, transportation, storage, and quality certificate
Contracts (or orders) content.
This standard applies to the metallurgical, power, chemical, electroplating and other industrial sectors with a conductive copper plates and strips.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 228.1-2010 tensile testing of metallic materials - Part 1. Test method (ISO 6892-1.2009, MOD)
GB/T 230.1 metallic materials - Rockwell hardness test - Part 1. Test methods
GB/T 232 metallic materials - Bend test
GB/T 351 metal material resistivity measurement method
Test Method. GB/T 4340.1 Vickers hardness test - Part 1 (ISO 6507-1.2005, MOD)
GB/T 5121 (all parts) of copper and copper alloys -
GB/T 5231 Wrought copper and copper alloy chemical composition and shape of the product
GB/T 8888 heavy non-ferrous metal processing products, packaging, labeling, transportation and storage
GB/T 26303.3 copper and copper alloy processing material Dimensions detection methods - Part 3. plate and strip
YS/T 478 copper and copper alloy conductivity eddy current testing method
YS/T 482 copper and copper alloy analysis photoemission spectroscopy
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Longitudinal edge straightness straightnessoflongitudinaledge
Any deviation longitudinal surface or edge of the absolute straightness, including side bending and flatness two meanings.
4 Requirements
4.1 Categories
4.1.1 grade, status, specifications
4.1.1.1 sheet grades, status, size should be in accordance with Table 1.
Table 1 grade sheet, status, specifications
Grade status
Specifications/mm
Thickness Width Length
T2, TU2, TU3
Hot-rolled (M20)
Hot-rolled re-rolling (M25)
4 to 100
Soft (O60)
1/2 hard (H02)
Hard (H04)
4-20
50 ~ 650 ≤12000
NOTE. The agreement between, can supply other grades, status and specifications sheet.
4.1.1.2 strip material grades, status, size should be in accordance with Table 2.
Table 2 material grades, status, specifications
Grade status
Specifications/mm
Thickness Width Length
T2, TU2, TU3
Hot-rolled (M20)
Hot-rolled re-rolling (M25)
10 to 60
Soft (O60)
1/2 hard (H02)
Hard (H04)
3 to 30
10 ~ 400 ≤12000
NOTE. The agreement between, can supply other grades, status and specifications of the strip.
4.1.2 tag example
Products marked by product name, standard number, grade, status and size of the order of representation. Tag example as follows.
Example 1. manufactured by T2, supply state of H04, dimensional accuracy is higher, the thickness of 10mm, width of 200mm, a length of 6000mm
Copper, labeled.
Copper GB/T 2529-T2H04 higher -10 × 200 × 6000
Example 2. manufactured by T2, O60 supply state, a thickness of 10mm, width of 200mm, length 4000mm copper strips, labeled.
Copper strip GB/T 2529-T2O60-10 × 200 × 4000
4.2 Chemical composition
Board, the chemical composition of the strip should be consistent with GB/T 5231 specified in the appropriate grade.
4.3 Dimensions and tolerances
4.3.1 thickness and tolerance
4.3.1.1 hot-rolled sheet thickness and tolerances shall comply with the provisions in Table 3.
4.3.1.2 cold rolled sheet thickness and tolerances shall comply with the requirements of Table 4.
4.3.1.3 The thickness of the strip and their tolerances shall comply with the provisions of Table 5.
Table 3 hot-rolled sheet thickness and tolerance in millimeters
thickness
width
≤100> 100 ~ 400> 400 ~ 500> 500 ~ 650
Thickness tolerance (±)
4.0 to 6.0 0.18 0.20 0.20 0.22
> 6.0 ~ 8.0 0.20 0.23 0.25 0.30
> 8.0 to 12.0 0.25 0.30 0.35 0.40
> 12.0 to 16.0 0.30 0.35 0.40 0.45
> 16.0 20.0 0.35 0.40 0.45 0.50
> 20.0 to 25.0 0.40 0.45 0.50 0.55
> 25.0 to 30.0 0.50 0.55 0.60 0.65
> 30.0 to 40.0 0.65 0.70 0.75 0.85
> 40.0 to 50.0 0.85 0.85 0.90 1.10
> 50.0 to 60.0 1.00 1.05 1.10 1.30
> 60.0 to 80.0 1.20 1.25 1.30 1.50
> 80.0 to 100.0 1.40 1.45 1.50 1.70
Note. When the demand side requires only one-way deviation, which is twice the value in the table.
Table 4 cold rolled sheet thickness and tolerance in millimeters
thickness
width
≤100> 100 ~ 200> 200 ~ 400> 400 ~ 650
Thickness tolerance (±)
Ordinary level higher general level of higher general level of higher general level higher
4.0 - 5.0 0.08 - 0.10 0.08 - - - -
> 5.0 ~ 8.0 0.10 0.08 0.12 0.10 0.13 0.10 - -
> 8.0 to 12.0 0.15 0.12 0.18 0.15 0.18 0.15 0.25 0.20
> 12.0 to 16.0 0.22 0.28 0.25 0.20 0.30 0.25 0.40 0.30
> 16.0 20.0 0.28 0.25 0.35 0.30 0.45 0.35 0.55 0.45
Note. When the demand side requires only one-way deviation, which is twice the value in the table.
Table 5 material thickness and tolerances in millimeters
thickness
width
≤50> 50 ~ 100> 100 ~ 200> 200 ~ 300> 300 ~ 400
Thickness tolerance (±)
3.0 ~ 6.0 0.08 0.09 0.06 0.13 0.20
> 6.0 to 10.0 0.08 0.10 0.11 0.13 0.30
> 10.0 13.0 0.09 0.11 0.13 0.15 0.40
> 13.0 to 19.0 0.14 0.14 0.14 0.18 0.45
> 19.0 to 25.0 0.18 0.18 0.18 0.23 0.55
> 25.0 to 38.0 0.38 0.50 0.55 0.60 0.75
> 38.0 to 50.0 0.50 0.60 0.65 0.75 0.95
> 50.0 to 60.0 0.65 0.75 0.80 1.00 1.20
Note. When the demand side requires only one-way deviation, which is twice the value in the table.
4.3.2 width and tolerance
4.3.2.1 the width of the sheet and tolerances shall comply with the provisions of Table 6.
4.3.2.2 The width of the strip and its deviation should be allowed in accordance with Table 7.
Table 6 sheet width and tolerance in millimeters
thickness
Width tolerance (±)
Cut sawing
≤20.0 5 2.0
> 20.0 - 2.5
Note 1. The demand side requires only one-way deviation, which is twice the value in the table.
Note 2. Thickness> 20mm hot rolled sheet may trimming delivery.
Table 7 of the strip width and tolerance in millimeters
thickness
width
≤100> 100 ~ 200> 200 ~ 300> 300 ~ 400
Width tolerance (±)
≤13.0 0.20 0.30 0.40 0.50
> 13.0 0.50 1.00 1.50 2.00
Note. When the demand side requires only one-way deviation, which is twice the value in the table.
4.3.3 Length and tolerance
Its length tolerance 4.3.3.1 sheet shall comply with the requirements in Table 8.
4.3.3.2 strip length and tolerances shall comply with Table 9.
Table length and tolerance Unit 8 mm sheet
thickness
Cold-rolled plate length
≤3500> 3500 ~ 5000> 5000 ~ 6000> 6000 ~ 8000> 8000 ~ 12000
Hot-rolled sheet
Length tolerance ()
4.0 to 20.0 121520253025
> 20.0 152025303530
Table 9 material length and tolerance in millimeters
The length tolerance ()
≤2000 3
> 2000 to 45006
> 4500 - 800 013
> 8000 ~ 1200025
4.3.4 longitudinal edge straightness
Plate should be straight, slight wave allowed, M25, H02, H04 state plates, strip longitudinal edge straightness shall comply with the requirements of Table 10.
Table 10 vertical plate, strip edge straightness
Status longitudinal edge straightness, not more than
M25 4mm/m
H02, H04 3mm/m
4.3.5 edge shape
4.3.5.1 Right Angle
When the strip edge shape for the right angle, the side edge portion should be no crack, wrinkle, the maximum allowable chamfer radius shall comply with the requirements of Table 11.
Unit table rectangular fillet radius of 11 mm material
The thickness of the fillet radius at right angles, not more than
≤6 0.4
> 25 ~ 6 0.8
> 25 1.6
4.3.5.2 Fillet
When the outer plate edge, the strip shown in Figure 1 is rounded, its radius should meet the requirements of Table 12.
Table 12 boards, the strip of unit radius mm
The thickness of the fillet radius radius tolerance (±)
≤6 0.80 0.20
> 6 ~ 25 1.60 0.50
> 25 3.00 0.75
4.3.5.3 rounded edges
When the outer plate edge, the strip is shown in Figure 2 rounded edges, the rounded edge radius should conform to Table 13.
Table 13 plate, strip the rounding radius in millimeters
Radius Radius rounded edges thickness tolerance/±
≤6 114 ×
Thickness 1
2 ×
thickness
> 6 ~ 25 114 ×
Thickness 1
4 ×
thickness
4.3.5.4 Full rounded edges
When the user requirements, edge shape plate, the strip can eventually be processed into as shown in uniform full circle in Figure 3 side, the whole rounded edge radius is about
Half product thickness, radius tolerance should not exceed half the thickness of the product by 25%.
Note. The fillet arc is not necessarily tangent to the point "A", but the angle "A" point should circle
Slide transitions.
1 a schematic diagram of the fillet
Note. The rounded edges of the arc with the product should be the axis of symmetry, the angle "A" point should be smooth
transition.
2 a schematic diagram rounded edges
Note. The rounded edges do not have arc tangent to the point "A", but it should be the axis of symmetry and the angle "A" point of transition should be smooth.
Figure 3 a schematic side full circle
4.3.5.5 When the user board, edge shape of the strip is required, should indicate the specific shape corresponding to the shape of the edge in the contract, if not stated
Person, plate edge should be cut or cutting edge shape.
4.4 Mechanical Properties
Thicker than 10mm and should be carried out at room temperature tensile test, a thickness greater than 10mm and should be Vickers or Rockwell hardness
Test, test result shall comply with the requirements of Table 14.
Table 14 plate mechanical properties, the strip
Grade Availability
Tensile Test Hardness Test
Tensile strength Rm
MPa
Elongation A
Vickers hardness
HV
Rockwell hardness
HRF
T2, TU2,
TU3
Hot-rolled (M20)
Hot-rolled re-rolling (M25)
≥195 ≥38 - -
Soft (O60) ≥195 ≥42 - -
1/2 hard (H02) 245 ~ 335 ≥14 75 ~ 120 ≥80
Hard (H04) ≥295 ≥6 ≥80 ≥65
Note. The plate thickness outside the specified range, strip, its main performance agreed by both parties.
4.5 flexural properties
The thickness of the plate is not more than 10mm, bending properties of the strip should meet the requirements of Table 15.
Table 15 plate bending properties, the strip
Grade status
thickness
mm
Bending test
Bending angle bend radius bending core results
T2, TU2,
TU3
Hot-rolled (M20)
Hot-rolled re-rolling (M25),
Soft (O60)
≤5 180 ° 0.5 times the thickness
1/2 hard (H02) ≤10 90 ° 1.0 times the thickness
There should be bent upper eye
Visible cracks
NOTE. The state is hard (H04) bending performance board, the strip, agreed to by both parties.
4.6 Electrical Properties
Plate, conductivity strip should meet the requirements of Table 16.
Table 16 board electrical properties, the strip
Grade state conductivity at 20 ℃% IACS, no less than the resistivity (Ω · mm2/m), not more than
T2
Soft (O60) 98 0.017593
Hot-rolled (M20)
Hot-rolled re-rolling (M25)
98 0.017593
1/2 hard (H02) 97 0.017774
Hard (H04) 96 0.017959
Table 16 (continued)
Grade state conductivity at 20 ℃% IACS, no less than the resistivity (Ω · mm2/m), not more than
TU2, TU3
Soft (O60) 100 0.017241
Hot-rolled (M20)
Hot-rolled re-rolling (M25)
99 0.017415