Search Result of Chinese Standard: 'GB/T 1527-2017'
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Detail Information of GB/T 1527-2017; GB/T1527-2017
Description (Translated English): Drawn tube of copper and copper alloys
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H62
Classification of International Standard: 77.150.30
Word Count Estimation: 11,161
Date of Issue: 2017-07-12
Date of Implementation: 2018-06-01
Older Standard (superseded by this standard): GB/T 1527-2006
Quoted Standard: GB/T 228.1-2010; GB/T 231.1; GB/T 242; GB/T 246; GB/T 2828.1; GB/T 4340.1; GB/T 5231; GB/T 5248; GB/T 8888; GB/T 10119; GB/T 10567.1; GB/T 10567.2; GB/T 16866; GB/T 26303.1; YS/T 347; YS/T 482; YS/T 483; YS/T 668; YS/T 815; GB/T 5121.1; GB/T 5121.2
Drafting Organization: Zhongyang Luoyang Copper Co., Ltd., Zhejiang HaiLiang Co., Ltd., Jinlong Precision Copper Tube Group Co., Ltd., Jiangsu Cilonglong Precision Copper Tube Co., Ltd., Jiangyin Xinhua Hong Copper Co., Ltd., Wuxi Ronda Metal Material Co., Qingdao Hongtai Copper Co., Ltd., Shandong Zhongjia New Material Co., Ltd., Shandong Hengyuan Copper Co., Ltd., Shangyu Jinying Copper Co., Ltd., Zhejiang Feile Copper Co., Ltd., Bai Lu Da (Xiamen) Industrial Co., Ltd., Group Co., Ltd
Administrative Organization: National Standardization Technical Committee for Nonferrous Metals (SAC / TC 243)
Proposing organization: China Nonferrous Metals Industry Association
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee
Summary: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates and order (or contract) of copper and copper alloy drawing pipes. This standard applies to general purpose round, square (square) shaped copper and copper alloy drawn pipe (hereinafter referred to as pipe).
GB/T 1527-2017
Drawn tube of copper and copper alloys
ICS 77.150.30
H62
National Standards of People's Republic of China
Replacing GB/T 1527-2006
Copper and copper alloy drawn tubes
Drawntubeofcopperandcopperaloys
Published on.2017-07-12
2018-06-01 Implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB 1527-2006 "Copper and Copper Alloy Drawn Pipes". Major technical changes compared to GB/T 1527-2006
as follows.
--- Added alloy code representation method;
--- According to the new national standard modified alloy grades and status;
--- Increased the number of high copper TCr1 (C18200) and corresponding requirements;
--- Deleted 1/3 hard products and corresponding requirements;
--- Modify the wall thickness of pure copper pipe, from "0.5mm ~ 15mm" to "0.3mm ~ 20mm";
--- Modify the length specifications of the pipe, see Table 2;
--- Modify the mechanical properties of some of the pipe, see Table 3, Table 4;
--- Added "Test method for pipe outer dimensions according to the provisions of GB/T 26303.1";
--- Added YS/T 482 and YS/T 483 chemical analysis methods;
--- According to the provisions of GB/T 228.1-2010 modified tensile specimen;
--- Added "Sampling method according to the provisions of YS/T 668, the preparation of mechanical properties and process performance samples according to YS/T 815
"Provisions".
This standard was proposed by the China Nonferrous Metals Industry Association.
This standard is under the jurisdiction of the National Non-ferrous Metals Standardization Technical Committee (SAC/TC243).
This standard is drafted by. Chinalco Luoyang Copper Co., Ltd., Zhejiang Hailiang Co., Ltd., and Jinlong Precision Copper Pipe Group
Limited Company, Jiangsu Cuilong Precision Copper Pipe Co., Ltd., Jiangyin Xinhuahong Copper Co., Ltd., Wuxi Longda Metal Material Co., Ltd., Qingdao
Hongtai Copper Co., Ltd., Shandong Zhongjia New Material Co., Ltd., Shandong Hengyuan Copper Co., Ltd., Shangyu Golden Eagle Copper Co., Ltd., Zhejiang Nai
Le Copper Co., Ltd., BaLuDa (Xiamen) Industrial Co., Ltd., and Baiyin Nonferrous Group Co., Ltd.
The main drafters of this standard. Zhao Wanhua, Guo Huiwen, Lu Yan, Cao Jianguo, Zhao Xuelong, Wei Lianyun, Yang Haili, Wang Xiangdong, Lei Yu, Zhou Haoping,
Wang Qiang, Chen Hua, Zhou Xiangdong, Su Dongdong, Li Fupeng, Yang Shuhu, Zhao Qinhai, Peng Yongcong, Yan Zhifu, Liu Haifeng, Sun Lijin, Liang Xingqiang, Luo Qiliang,
Liu Jinlong, Zhang Huawei, Long Jia, Deng Yusheng, and Liu Shengwei.
The previous versions of the standards replaced by this standard are.
--- GB/T 1527-1979, GB/T 1527-1987, GB/T 1527-1997, GB/T 1527-2006.
Copper and copper alloy drawn tubes
1 Scope
This standard specifies requirements for copper and copper alloy drawn pipes, test methods, inspection rules, markings, packaging, transportation, storage and quality certificates.
And order form (or contract) content.
This standard applies to general-purpose circular, rectangular (square) shaped copper and copper alloy drawn pipe (hereinafter referred to as pipe).
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 228.1-2010 Tensile test of metallic materials - Part 1. Test method at room temperature
GB/T 231.1 Brinell hardness test for metallic materials - Part 1. Test method
GB/T 242 Metal Tube Flaring Test Method
GB/T 246 Metal Tube Flattening Test Method
GB/T 2828.1 Count Sampling Inspection Procedures Part 1. Batch Inspection Sampling Plans Retrieved by Acceptance Quality Limit (AQL)
GB/T 4340.1 Vickers hardness test of metallic materials Part 1. Test methods
GB/T 5121 (All Sections) Methods for Chemical Analysis of Copper and Copper Alloys
GB/T 5231 processing of copper and copper alloy grades and chemical composition
GB/T 5248 Eddy Current Testing Method for Copper and Copper Alloy Seamless Tubes
GB/T 8888 Packaging, marking, transportation, storage and quality certificates for heavy non-ferrous metal processing products
GB/T 10119 Determination of resistance to dezincification corrosion of brass
GB/T 10567.1 Test method for residual stress of copper and copper alloy processed materials
GB/T 10567.2 Test method for residual stress of copper and copper alloy processed materials Ammonia fumigation test method
GB/T 16866 Processing Copper and Copper Alloy Seamless Pipe Dimensions and Permissible Deviations
GB/T 26303.1 Test methods for dimensions of processed copper and copper alloys - Part 1. Tubes
YS/T 347 Determination of Average Grain Size of Copper and Copper Alloys
YS/T 482 Methods for Analysis of Copper and Copper Alloys by Photoemission Spectroscopy
YS/T 483 Copper and Copper Alloys Analytical Methods X-Ray Fluorescence Spectrometry (Wavelength Dispersion)
YS/T 668 Physicochemical Testing Sampling Methods for Copper and Copper Alloys
Method for preparing YS/T 815 copper and copper alloy mechanical properties and process performance specimens
3 requirements
3.1 Product Categories
3.1.1 Brand, status, specifications
The grade, status, and specifications of the pipe should meet the requirements of Tables 1 and 2.
Table 1 Grades, Status, and Specifications
Classification brand code status
Specifications/mm
Round moment (square)
Outer wall thickness vs. margin wall thickness
Pure copper
T2, T3
TU1, TU2
TP1, TP2
T11050, T11090
T10150, T10180
C12000, C12200
Softening annealing (O60),
Light annealing (O50),
Hard (H04),
Extremely hard (H06)
1/2 hard (H02)
3~360
3~100
0.3~20 3~100 1~10
High copper TCr1 C18200
Solution Heat Treatment Cold Processing (Hard)
Precipitation heat treatment (TH04)
40~105 4~12 - -
brass
H95, H90
H85, H80
HAs85-0.05
H70, H68
H59, HPb59-1
HSn62-1, HSn70-1
HAs70-0.05
HAs68-0.04
H65, H63
H62, HPb66-0.5
HAs65-0.04
HPb63-0.1
C21000, C22000
C23000, C24000
T23030
T26100, T26300
T28200, T38100
T46300, T45000
C26130
T26330
C27000, T27300
T27600, C33000
T34900
Softening annealing (O60),
Light annealing (O50),
Annealed to 1/2 hard (O82),
Hard stress elimination (HR04)
Annealed to 1/2 hard (O82)
3~200
3~100
3~200
18~31
0.2~10
6.5~13
3~100
0.2~7
Copper
BZn15-20
BFe10-1-1
BFe30-1-1
T74600
T70590
T71510
Softening annealing (O60),
Annealed to 1/2 hard (O82),
Hard stress elimination (HR04)
Softening annealing (O60),
Annealed to 1/2 hard (O82),
Hard (H80)
Softening annealing (O60),
Annealed to 1/2 hard (O82)
4~40
8~160
8~80
0.5~8 - -
Table 2 Length of pipe
Pipe Shape Pipe Outside Diameter/mm Pipe Thickness/mm Pipe Length/mm
Straight
Circular
Moment (square)
≤100
>100
3~100
≤20
≤20
≤10
≤16000
≤8000
≤16000
Coil
Circular
Moment (square)
≤30 <3 ≥6000
Perimeter and wall thickness ratio ≤15 ≥6000
3.1.2 Tagging Example
The product mark is expressed in the order of product name, standard number, brand number, status, and specification. Examples of tags are as follows.
Example 1. Circular tubes made of T2 (T11050), O60 (softened annealed), 20 mm outer diameter, and 0.5 mm wall thickness are marked with.
Round copper tube GB/T 1527-T2O60-φ20×0.5
Or round copper tube GB/T 1527-T11050O60-φ20×0.5
Example 2. Rectangle made of H62 (T27600), O82 (annealed to 1/2 hard), long side 20mm, short side 15mm, wall thickness 0.5mm
Pipe markings are.
Rectangular copper tube GB/T 1527-H62O82-20×15×0.5
Or rectangular copper tube GB/T 1527-T27600O82-20×15×0.5
3.2 Chemical composition
The grade and chemical composition of the pipe should meet the requirements of the corresponding grades in GB/T 5231. The content of As in HAs65-0.04 is
0.03% ~ 0.06%, the content of other elements with the H65 grade.
3.3 Dimensions and Allowable Deviations
The pipe size and its allowable deviation shall comply with the provisions of GB/T 16866.
3.4 Mechanical properties
The vertical room temperature mechanical properties of pure copper and high-copper round pipes are to comply with the requirements of Table 3, room temperature mechanics of pure copper and high copper moment (square) pipes.
Performance is negotiated between the supplier and the buyer. The longitudinal room temperature mechanical properties of brass and cupronickel should meet the requirements of Table 4.
Table 3 Mechanical properties of pure copper and high brass round pipe
Brand status
Wall thickness
Mm
Stretching test
Tensile strength Rm
MPa, not less than
After breaking elongation A
%,not less than
Hardness test
Vickers hardness
HVb
Brinell hardness
HBWc
T2, T3,
TU1, TU2,
TP1, TP2
O60
O50
H02a
H04a
H06a
all
all
≤15
≤6
>6~10
>10~15
≤3mm
40~65
45~75
70~100
95~130
75~110
70~100
≥110
35~60
40~70
65~95
90~125
70~105
65~95
≥105
TCr1 TH04 5~12 375 11 - -
a H02, H04 Pipes with a wall thickness of >15 mm and H06 pipes with a wall thickness of >3 mm are negotiated between the supplier and the purchaser.
b The Vickers hardness test load is negotiated between the supplier and the buyer. The Vickers hardness test in the softened and annealed (O60) state is suitable for pipes with a wall thickness ≥1mm.
c The Brinell hardness test is only applicable to pipes with a wall thickness of ≥ 5mm, and the Brinell hardness test of pipes with a wall thickness of less than 5mm shall be determined through negotiation between the supplier and the buyer.
Table 4 Mechanical properties of brass and white copper pipes
Brand status
Stretching test
Tensile strength Rm
MPa, not less than
After breaking elongation A
%,not less than
Hardness test
Vickers hardness a
HV
Brinell hardness b
HBW
H95
O60 205 42 45~70 40~65
O50 220 35 50~75 45~70
O82 260 18 75~105 70~100
HR04 320 - ≥95 ≥90
H90
O60 220 42 45~75 40~70
O50 240 35 50~80 45~75
O82 300 18 75~105 70~100
HR04 360 - ≥100 ≥95
H85, HAs85-0.05
O60 240 43 45~75 40~70
O50 260 35 50~80 45~75
O82 310 18 80~110 75~105
HR04 370 - ≥105 ≥100
H80
O60 240 43 45~75 40~70
O50 260 40 55~85 50~80
O82 320 25 85~120 80~115
HR04 390 - ≥115 ≥110
H70, H68,
HAs70-0.05,
HAs68-0.04
O60 280 43 55~85 50~80
O50 350 25 85~120 80~115
O82 370 18 95~135 90~130
HR04 420 - ≥115 ≥110
H65, HPb66-0.5,
HAs65-0.04
O60 290 43 55~85 50~80
O50 360 25 80~115 75~110
O82 370 18 90~135 85~130
HR04 430 - ≥110 ≥105
H63, H62
O60 300 43 60~90 55~85
O50 360 25 75~110 70~105
O82 370 18 85~135 80~130
HR04 440 - ≥115 ≥110
H59, HPb59-1
O60 340 35 75~105 70~100
O50 370 20 85~115 80~110
O82 410 15 100~130 95~125
HR04 470 - ≥125 ≥120
Table 4 (continued)
Brand status
Stretching test
Tensile strength Rm
MPa, not less than
After breaking elongation A
%,not less than
Hardness test
Vickers hardness a
HV
Brinell hardness b
HBW
HSn70-1
O60 295 40 60~90 55~85
O50 320 35 70~100 65~95
O82 370 20 85~135 80~130
HR04 455 - ≥110 ≥105
HSn62-1
O60 295 35 60~90 55~85
O50 335 30 75~105 70~100
O82 370 20 85~110 80~105
HR04 455 - ≥110 ≥105
HPb63-0.1 O82 353 20 - 110~165
BZn15-20
O60 295 35 - -
O82 390 20 - -
HR04 490 8 - -
BFe10-1-1
O60 290 30 75~110 70~105
O82 310 12 ≥105 ≥100
H80 480 8 ≥150 ≥145
BFe30-1-1
O60 370 35 85~120 80~115
O82 480 12 ≥135 ≥130
a Vickers hardness test load is negotiated between the supplier and the buyer. Vickers hardness test in soft-annealed (O60) state only applies to wall thickness ≥ 0.5mm
Pipe.
b The Brinell hardness test is only applicable to pipes with a wall thickness of ≥3mm, and the Brinell hardness test of pipes with a wall thickness of less than 3mm shall be determined through negotiation between the supplier and the buyer.
3.5 Process performance
3.5.1 Circular tubes in the O60 state may be flattened or flared. Pipes after the test should not have visible cracks and
gap.
3.5.2 When the pipe is flattened, the distance between the inner walls after the flattening shall be equal to the wall thickness.
3.5.3 When the pipe is flaring test, the center of the taper is 45° and the flaring rate is 30%.
3.6 Eddy Current Testing
H02, H04, H80, and pre-annealed tubes can be eddy-current flaw detection, and their artificial standard defects (bore diameter) should be consistent
The provisions of GB/T 5248.
3.7 Grain size
Pipes with soft annealing (O60) and light annealing (O50) can be examined for grain size. The average grain size of the pipe is determined by the supply and demand
The business is OK.
3.8 Residual stress
After the pipe has been tested for residual stress, there should be no visible cracks.
3.9 Dezincification resistance
Corrosion resistance requirements of the pipe can be tested for resistance to dezincification corrosion resistance, and the requirements are negotiated between the supplier and the buyer.
3.10 Surface quality
3.10.1 The inside and outside surfaces of the pipe should be smooth and clean, and should not be affected by delamination, pinholes, cracks, peeling, air bubbles, rough pulls, and inclusions.
Defects.
3.10.2 The surface of the pipe is allowed to have slight, partial, fine lines, pits, and indentations that do not allow the outside diameter and wall thickness of the pipe to exceed the allowable deviation.
Spots and other defects. Minor straightening and turning marks, ring marks, oxidation color, darkness, water marks, and oil traces are not used as a basis for scrapping.
4 test methods
4.1 Chemical composition
The analysis of the chemical composition of pipes shall be carried out in accordance with GB/T 5121 (all parts) or YS/T 482 or YS/T 483. chemical composition
Arbitration analysis method according to the provisions of GB/T 5121 (all parts).
4.2 Dimensions and Allowable Deviations
The test method for the dimensions of the pipe shall be in accordance with the provisions of GB/T 26303.1.
4.3 Mechanical properties
4.3.1 Pipe tensile test According to the provisions of GB/T 228.1-2010. Test specimens shall comply with GB/T 228.1-2010
Provisions, see Table 5 for sample selection.
4.3.2 Vickers hardness test of the pipe shall be conducted in accordance with the provisions of GB/T 4340.1.
4.3.3 The Brinell hardness test of pipes shall be carried out in accordance with GB/T 231.1.
Table 5 tensile specimens
Outside diameter/mm wall thickness/mm GB/T 228.1-2010 in GB/T 228.1-2010 GB/T 228.1-2010
<30 ≤8 Appendix E Table E2 Sample No. S7
30~50 <8 Appendix E Table E1 Sample No. S1
>50~70 <8 Appendix E Table E1 Sample No. S2
>70 <8 Appendix E Table E1 Sample number S3
≥30 8~13 Appendix E Table E3 Sample No. R7
≥30 >13 Appendix E Table E3 Sample number R5
4.4 Process performance
4.4.1 Tube flattening test according to the provisions of GB/T 242.
4.4.2 The flaring test of pipes shall be conducted in accordance with the provisions of GB/T 243.
4.5 Eddy Current Testing
The eddy current testing of the pipe is carried out according to GB/T 5248.
4.6 Grain size
The grain size test of the pipe was carried out according to YS/T 347.
4.7 Residual stress
4.7.1 The test of the residual stress of pipes is recommended to use the ammonia fumigation test method.
4.7.2 Ammonia fumigation test method for pipes shall be conducted in accordance with GB/T 10567.2.
4.7.3 The method of test for mercury nitrate in pipes shall be conducted in accordance with the provisions of GB/T 10567.1.
4.8 Dezincification resistance
The dezincification corrosion resistance test method for pipes shall be carried out in accordance with GB/T 10119.
4.9 Surface quality
The surface quality of pipes is visually inspected.
5 Inspection Rules
5.1 Inspection and Acceptance
5.1.1 Pipes shall be inspected by the supplier's technical supervision department to ensure that product quality meets the requirements of this standard and purchase order (or contract), and
Fill in the quality certificate.
5.1.2 The acquirer conducts re-inspection of the received product in accordance with the provisions of this standard and the purchase order (or contract). The results of the re-inspection and this standard and the purchase order
When the provisions of the contract (or contract) do not match, they should be submitted to the supplier in writing and resolved by the parties to the supply and demand. Belong to surface quality and dimensional deviation
Objections should be filed within one month from the date of receipt of the product. If arbitration is required, arbitration sampling should be conducted jointly by both parties.
5.2 Batches
Pipes shall be submitted for acceptance in batches, each batch shall consist of the same brand, status and specifications. Each batch weight should not exceed 5000kg.
5.3 Inspection items
5.3.1 Each batch of pipe should be tested for chemical composition, dimensions and tolerances, tensile tests and surface quality.
5.3.2 When required by the acquirer and specified in the contract, hardness (Vickers hardness or Brinell hardness) and process performance (flaring test or pressure) shall also be performed.
Flat test), eddy current testing, grain size, residual stress, and resistance to dezincification corrosion. When selecting a hardness test, the tensile test is for reference only.
5.4 Sampling
Pipe sampling should meet the requirements of Table 6. Sampling method according to the provisions of YS/T 668, mechanical properties and process performance of the process sample
The preparation was carried out in accordance with YS/T 815.
Table 6 Sampling
The number of chapters required for sampling requirements of the inspection project Article number of the test method
Chemical composition a
The supplier shall take one sample for each melt and the acquirer shall take one for each batch
Specimen
3.2 4.1
Dimensions and
Allowable deviation
According to the sampling specified in GB/T 2828.1, select normal inspection
One sampling plan, general testing level II, receiving quality
Limit AQL=4, or negotiation between supply and demand
3.3 4.2
Mechanics
performance
Stretching test
Hardness test
Take 2 batches each, take 1 sample each
Take 2 batches each, take 1 sample each
3.4
3.4
4.3
4.3
Process performance to take two batches, each take a sample 3.5 4.4
Eddy current flaw detection 3.6 4.5
The grain size is taken as two batches, one for each sample 3.7 4.6
Residual Stress
Take 2 tubes, each with a 150mm long
Specimen
3.8 4.7
Resistance to dezincification corrosion to take two batches each, each one to take a sample 3.9 4.8
Surface Quality
According to the sampling specified in GB/T 2828.1, select normal inspection
One sampling plan, general testing level II, receivin......
Related standard: GB/T 2040-2017 |