Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 1527-2006 Drawn tube of copper and copper alloys and the following main technical changes have been made with respect to GB/T 1527-2006:
——The code expression method of alloy is added;
——Alloy designation and state are modified according to new national standard;
——The designation and corresponding requirements of high-copper TCr1 (C18200) are added;
——1/3 hard state products and corresponding requirements are deleted;
——The wall thickness range of pure copper tubes is modified from "0.5mm~15mm" to “0.3mm~20mm”;
——The length specification of tubes is modified; see Table 2;
——Partial mechanical property indexes of tubes are modified; see Tables 3 and 4;
——"The inspection method for overall dimension of tubes shall be carried out according to the requirements of GB/T 26303.1" is added;
——Chemical analysis methods specified in YS/T 482 and YS/T 483 are added;
——Tensile specimen is modified according to the requirements of GB/T 228.1-2010;
——The requirement - "Sampling methods shall be carried out according to the requirements of YS/T 668, and specimens for mechanical properties and technological properties shall be prepared according to the requirements of YS/T 815." is added.
This standard was proposed by the China Nonferrous Metals Industry Association.
This standard is under the jurisdiction of the National Technical Committee on Nonferrous Metals of Standardization Administration of China (SAC/TC 243).
The previous editions of this standard are as follows:
——GB/T 1527-1979, GB/T 1527-1987, GB/T 1527-1997 and GB/T 1527-2006.
Drawn tube of copper and copper alloys
1 Scope
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 – 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
YS/T 482 Methods for analysis of copper and copper alloys - The atomic emission spectrometry
YS/T 483 Methods for analysis of copper and copper alloys - X-ray fluorescence spectrometric (wavelength dispersive)
YS/T 668 The sampling method of physical and chemical testing for copper and copper alloys
YS/T 815 Preparation method of test pieces for mechanical and technological properties of copper and copper alloys
3 Requirements
3.1 Product classification
3.1.1 Designation, state and specification
The designation, state and specification of tubes shall meet those specified in Tables 1 and 2.
Table 1 Designation, state and specification
Classification Designation Code State Specification/mm
Round Rectangular (square)
Outside diameter Wall thickness Across flat Wall thickness
Pure copper T2, T3
TU1, TU2
TP1, TP2 T11050, T11090
T10150, T10180
C12000, C12200 Soft-annealed (O60), slightly-annealed (O50), hard (H04), special hard (H06) 3~360 0.3~20 3~100 1~10
1/2 hard (H02) 3~100
High copper TCr1 C18200 Solid solution heat treatment+cold working (hard)+precipitation heat treatment (TH04) 40~105 4~12 — —
Brass H95, H90 C21000, C22000 Soft-annealed (O60), slightly-annealed (O50), annealed to 1/2 hard (O82), hard + stress relief (HR04) 3~200 0.2~10 3~100 0.2~7
H85, H80
HAs85-0.05 C23000, C24000
T23030
H70, H68 H59, HPb59-1 HSn62-1, HSn70-1
HAs70-0.05
HAs68-0.04 T26100, T26300 T28200, T38100 T46300, T45000
C26130
T26330 3~100
H65, H63 H62, HPb66-0.5
HAs65-0.04 C27000, T27300 T27600, C33000
— 3~200
HPb63-0.1 T34900 Annealed to 1/2 hard (O82) 18~31 6.5~13 — —
Copper-nickel alloy BZn15-20 T74600 Soft-annealed (O60), annealed to 1/2 hard (O82), hard + stress relief (HR04) 4~40 0.5~8 — —
BFe10-1-1 T70590 Soft-annealed (O60), annealed to 1/2 hard (O82), hard (H80) 8~160
BFe30-1-1 T71510 Soft-annealed (O60), annealed to 1/2 hard (O82) 8~80
Table 2 Tube length
Tube shape Outside diameter of tube/mm Wall thickness of tube/mm Tube length/mm
Straight tube Round ≤100 ≤20 ≤16,000
>100 ≤20 ≤8,000
Rectangular (square) 3~100 ≤10 ≤16,000
Coiled tube Round ≤30 <3 ≥6,000
Rectangular (square) Ratio of perimeter to wall thickness≤15 ≥6,000
3.1.2 Mark examples
Product mark shall be represented in the sequence of the product name, standard No., designation, state and specification, and mark examples are as follows.
Example 1: round tube made of T2 (T11050), in O60 state (soft-annealed) and with outside diameter of 20mm and wall thickness of 0.5mm is marked as:
Round copper tube GB/T 1527-T2 O60-φ20×0.5
or round copper tube GB/T 1527-T11050 O60-φ20×0.5
Example 2: rectangular tube made of H62 (T27600), in O82 state (annealed to 1/2 hard) and with long side length of 20mm, short side length of 15mm and wall thickness of 0.5mm is marked as:
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 designation and chemical composition of tubes shall meet the requirements of corresponding designations specified in GB/T 5231. The As content of tubes with HAs65-0.04 designation is 0.03%~0.06%; the content of other elements is the same as that of tubes with H65 designation.
3.3 Overall dimension and permissible deviation
The dimension of tubes and their permissible deviation shall meet the requirements of GB/T 16866.
3.4 Mechanical properties
The longitudinal room-temperature mechanical properties of pure/high copper round tubes shall meet those specified in Table 3; room-temperature mechanical properties of pure/high copper rectangular (square) tubes shall be determined by the supplier and the purchaser through negotiation; the longitudinal room-temperature mechanical properties of brass and copper-nickel alloy tubes shall meet those specified in Table 4.
Foreword I
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation, storage and quality certificate
7 Order (or contract) contents
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 1527-2006 Drawn tube of copper and copper alloys and the following main technical changes have been made with respect to GB/T 1527-2006:
——The code expression method of alloy is added;
——Alloy designation and state are modified according to new national standard;
——The designation and corresponding requirements of high-copper TCr1 (C18200) are added;
——1/3 hard state products and corresponding requirements are deleted;
——The wall thickness range of pure copper tubes is modified from "0.5mm~15mm" to “0.3mm~20mm”;
——The length specification of tubes is modified; see Table 2;
——Partial mechanical property indexes of tubes are modified; see Tables 3 and 4;
——"The inspection method for overall dimension of tubes shall be carried out according to the requirements of GB/T 26303.1" is added;
——Chemical analysis methods specified in YS/T 482 and YS/T 483 are added;
——Tensile specimen is modified according to the requirements of GB/T 228.1-2010;
——The requirement - "Sampling methods shall be carried out according to the requirements of YS/T 668, and specimens for mechanical properties and technological properties shall be prepared according to the requirements of YS/T 815." is added.
This standard was proposed by the China Nonferrous Metals Industry Association.
This standard is under the jurisdiction of the National Technical Committee on Nonferrous Metals of Standardization Administration of China (SAC/TC 243).
The previous editions of this standard are as follows:
——GB/T 1527-1979, GB/T 1527-1987, GB/T 1527-1997 and GB/T 1527-2006.
Drawn tube of copper and copper alloys
1 Scope
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 – 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
YS/T 482 Methods for analysis of copper and copper alloys - The atomic emission spectrometry
YS/T 483 Methods for analysis of copper and copper alloys - X-ray fluorescence spectrometric (wavelength dispersive)
YS/T 668 The sampling method of physical and chemical testing for copper and copper alloys
YS/T 815 Preparation method of test pieces for mechanical and technological properties of copper and copper alloys
3 Requirements
3.1 Product classification
3.1.1 Designation, state and specification
The designation, state and specification of tubes shall meet those specified in Tables 1 and 2.
Table 1 Designation, state and specification
Classification Designation Code State Specification/mm
Round Rectangular (square)
Outside diameter Wall thickness Across flat Wall thickness
Pure copper T2, T3
TU1, TU2
TP1, TP2 T11050, T11090
T10150, T10180
C12000, C12200 Soft-annealed (O60), slightly-annealed (O50), hard (H04), special hard (H06) 3~360 0.3~20 3~100 1~10
1/2 hard (H02) 3~100
High copper TCr1 C18200 Solid solution heat treatment+cold working (hard)+precipitation heat treatment (TH04) 40~105 4~12 — —
Brass H95, H90 C21000, C22000 Soft-annealed (O60), slightly-annealed (O50), annealed to 1/2 hard (O82), hard + stress relief (HR04) 3~200 0.2~10 3~100 0.2~7
H85, H80
HAs85-0.05 C23000, C24000
T23030
H70, H68 H59, HPb59-1 HSn62-1, HSn70-1
HAs70-0.05
HAs68-0.04 T26100, T26300 T28200, T38100 T46300, T45000
C26130
T26330 3~100
H65, H63 H62, HPb66-0.5
HAs65-0.04 C27000, T27300 T27600, C33000
— 3~200
HPb63-0.1 T34900 Annealed to 1/2 hard (O82) 18~31 6.5~13 — —
Copper-nickel alloy BZn15-20 T74600 Soft-annealed (O60), annealed to 1/2 hard (O82), hard + stress relief (HR04) 4~40 0.5~8 — —
BFe10-1-1 T70590 Soft-annealed (O60), annealed to 1/2 hard (O82), hard (H80) 8~160
BFe30-1-1 T71510 Soft-annealed (O60), annealed to 1/2 hard (O82) 8~80
Table 2 Tube length
Tube shape Outside diameter of tube/mm Wall thickness of tube/mm Tube length/mm
Straight tube Round ≤100 ≤20 ≤16,000
>100 ≤20 ≤8,000
Rectangular (square) 3~100 ≤10 ≤16,000
Coiled tube Round ≤30 <3 ≥6,000
Rectangular (square) Ratio of perimeter to wall thickness≤15 ≥6,000
3.1.2 Mark examples
Product mark shall be represented in the sequence of the product name, standard No., designation, state and specification, and mark examples are as follows.
Example 1: round tube made of T2 (T11050), in O60 state (soft-annealed) and with outside diameter of 20mm and wall thickness of 0.5mm is marked as:
Round copper tube GB/T 1527-T2 O60-φ20×0.5
or round copper tube GB/T 1527-T11050 O60-φ20×0.5
Example 2: rectangular tube made of H62 (T27600), in O82 state (annealed to 1/2 hard) and with long side length of 20mm, short side length of 15mm and wall thickness of 0.5mm is marked as:
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 designation and chemical composition of tubes shall meet the requirements of corresponding designations specified in GB/T 5231. The As content of tubes with HAs65-0.04 designation is 0.03%~0.06%; the content of other elements is the same as that of tubes with H65 designation.
3.3 Overall dimension and permissible deviation
The dimension of tubes and their permissible deviation shall meet the requirements of GB/T 16866.
3.4 Mechanical properties
The longitudinal room-temperature mechanical properties of pure/high copper round tubes shall meet those specified in Table 3; room-temperature mechanical properties of pure/high copper rectangular (square) tubes shall be determined by the supplier and the purchaser through negotiation; the longitudinal room-temperature mechanical properties of brass and copper-nickel alloy tubes shall meet those specified in Table 4.
Contents of GB/T 1527-2017
Foreword I
1 Scope
2 Normative references
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation, storage and quality certificate
7 Order (or contract) contents
