Search Result of Chinese Standard: 'GB/T 33825-2017'
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Steel/copper composite rod and wire for hermetically sealed relay
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GB/T 33825-2017
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| GB/T 33825-2017 | Chinese | 16 |
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Detail Information of GB/T 33825-2017; GB/T33825-2017
Description (Translated English): Steel/copper composite rod and wire for hermetically sealed relay
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H62
Classification of International Standard: 77.150.30
Word Count Estimation: 8,864
Date of Issue: 2017-05-31
Date of Implementation: 2017-12-01
Quoted Standard: GB/T 223.20; GB/T 223.25; GB/T 3077; GB/T 4336; GB/T 5231; GB/T 6462; YS/T 668; YB/T 5231; GB/T 5121.1; GB/T 5121.2; GB/T 5121.3; GB/T 5121.4; GB/T 5121.5; GB/T 5121.6; GB/T 5121.7; GB/T 5121.8; GB/T 5121.9; GB/T 5121.10; GB/T 5121.11; GB/T 5121.12
Drafting Organization: Xi'an Nuoboer precious precious metal materials Limited
Administrative Organization: National Standard Committee on 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's 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 orders (or contracts) for ladle copper composite rods for sealed relays. This standard applies to the sealing relay seal with ladle copper composite rod wire (hereinafter referred to as composite rod wire).
GB/T 33825-2017
Steel/copper composite rod and wire for hermetically sealed relay
ICS 77.150.30
H62
National Standards of People's Republic of China
Sealing relay with ladle copper composite rod wire
Steel/coppercompositerodandwireforhermeticalysealedrelay
2017-05-31 released
2017-12-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Preface
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by China Nonferrous Metals Industry Association.
This standard is owned by the National Committee for the Standardization of Nonferrous Metals (SAC/TC243).
The drafting unit of this standard. Xi'an Norboer Precious Metal Materials Co., Ltd.
The main drafters of this standard. Zhou Longhai, Yu Jianjun, Zhao Tao, Han Jiqing, Chen Hao, Zhou Yabo.
Sealing relay with ladle copper composite rod wire
1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of ladle copper composite rods for sealed relays.
Deposit, quality certificate and order (or contract) content.
This standard applies to the sealing relay seal with ladle copper composite rod wire (hereinafter referred to as composite rod wire).
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Methods for chemical analysis of iron, steel and alloy - The potentiometric titration method for the determination of cobalt content GB/T
GB/T 223.25 Methods for chemical analysis of iron, steel and alloy - The dibutyl ketoxime gravimetric method for the determination of nickel content
GB/T 3077 alloy structural steel
GB/T 4336 Determination of multi-element content of carbon and medium-low alloy steels - Spark discharge atomic emission spectrometry (conventional method)
GB/T 5121 (all parts) Methods for chemical analysis of copper and copper alloys
GB/T 5231 processing copper and copper alloy grades and chemical composition
Measurement of thickness of metal and oxide coatings - Microscope method GB/T
Standard Test Method for Physical and Chemical Testing of Copper and Copper Alloys YS/T 668
YB/T 5231 fixed expansion sealing iron and nickel alloy
3 request
3.1 Product Classification
3.1.1 grades, status and specifications
Composite rod and wire materials for the 4J29,4J44,4J33,4J34,4J46, 30CrMnSiA grade alloy, the material for the TU1, TU2,
T1, T2 grade copper, the average linear expansion coefficient of the substrate and the electrical properties of the composite material see Appendix A. The grades, states and regulations of composite rods and wires
See Table 1. Product composite cross-section diagram shown in Figure 1.
Table 1 grades, status and specifications
Grade copy state
Specifications/mm
Outer Diameter D Diameter D Length L
Substrate/Composites
Soft state (O60)
Semi-hard (H55)
Hard (H80)
0.5 to 3.0
> 3.0 to 6.0
3D ~
2D
>.2000
> 1000
Note 1. According to the supply and demand sides to negotiate for other specifications of the product.
Note 2. Substrate and composite material diameter ratio can be converted into area ratio.
3.1.2 Example of marking
The product markings are in the order of product name, standard number, grade, status and specification. The markup example is as follows.
(H80) with a base material of 4J29 and a copy material for T1, a ladle with a diameter of 1.5 mm and a diameter of 0.5 mm.
Remember.
Composite rod wire GB/T 33825-4J29/T 1H80-φ1.5 × φ0.5
Figure 1 product composite cross-section diagram
3.2 Chemical composition
The chemical composition of the substrate 4J29,4J44,4J33,4J34,4J46 should meet the requirements of YB/T 5231, the substrate is 30CrMnSiA
Of the chemical composition should be consistent with the requirements in GB/T 3077, the chemical composition of the composite material should be consistent with the requirements in GB/T 5231.
3.3 Dimension and its allowable deviation
The dimensions and tolerances thereof shall be in accordance with Table 2.
Table 2 Dimensions and its allowable deviation in millimeters
Outer Diameter D Diameter Allowable Deviation Diameter Di Di Diameter Diameter Allowable Deviation
0.5 to 1.0 ± 0.01 0.15 to 0.5 ± 0.03
> 1.0 to 3.0 ± 0.02 0.3 to 1.5 ± 0.05
> 3.0 to 5.0 ± 0.03 1.0 to 2.5 ± 0.06
> 5.0 to 6.0 ± 0.04 1.5 to 3.0 ± 0.08
3.4 Surface roughness
Product surface roughness Ra value should not be greater than 0.8μm.
3.5 composite quality
Product substrate and composite material should be closely integrated between the repeated bending to the fracture, the substrate and the composite material should not be layered, cracking.
3.6 air tightness
Products and test accessories after sealing detection, leakage rate of not more than 1 × 10-4Pa · cm3/s.
3.7 Appearance quality
Product surface should be bright and clean, there should be no obvious vertical scratches, cracks, from the skin, mixed, pressure pit and other defects, allowing a slight local scratch
Or straightening roll.
4 test method
4.1 Chemical composition
The analytical method for the Ni element in the substrate 4J29, 4J44, 4J33, 4J34, 4J46 is carried out according to the requirements of GB/T 223.25,
The method of analysis shall be in accordance with the provisions of GB/T 223.20. The analysis method of other elements shall be carried out according to the provisions of GB/T 4336 or
Business method. The chemical composition analysis method of 30CrMnSiA was carried out according to GB/T 4336. The chemical composition of the composite material
The analytical method shall be in accordance with the provisions of GB/T 5121 (all parts).
4.2 Dimension and its allowable deviation
The outer diameter of the product is measured with a micrometer, the length is measured with a tape measure, and the diameter of the composite material is measured according to GB/T 6462.
4.3 Surface roughness
The surface roughness of the product was measured with a roughness meter.
4.4 composite quality
The finished filament was repeatedly bent until it was broken, and the fracture longitudinal metallographic sample was prepared and observed with a 30x microscope.
4.5 air tightness
The testing of the product's air tightness is carried out according to the method of consultation between supply and demand.
4.6 Appearance quality
The appearance of the product is visually inspected.
5 inspection rules
5.1 Inspection and acceptance
5.1.1 The product shall be inspected by the supplier inspection department to ensure that the product quality conforms to the provisions of this standard and the order (or contract) and fill in
Quality certificate.
5.1.2 The purchaser shall respond to the products received in accordance with the provisions of this standard and the order form (or contract), the results of the re-examination and the standard and the order
(Or contract) does not comply with the provisions of the written form should be made to the supplier, by the supply and demand sides to resolve. Belong to the surface quality and size deviation
Objection shall be made within one month from the date of receipt of the product; if any other quality objection is made, it shall be made within 3 months from the date of receipt of the product. If needed
Arbitration, arbitration sampling shall be negotiated by both parties.
5.2 batches
Products should be submitted in batches acceptance. Each batch of products should be the same grade and state of the substrate and the same brand of composite materials, the same feeding, the same
Production process, the same specifications of the production of products, each batch of weight should not exceed 100kg.
5.3 Test items
Each batch of rod and wire should be chemical composition, size and its allowable deviation, surface roughness, composite quality, air tightness and appearance quality
test.
5.4 Sampling
The sampling of wire rods shall comply with the provisions of Table 3. The sampling method is carried out according to YS/T 668.
Table 3 Sampling
Inspection Item Sampling Requirement Chapter Article Inspection Chapter Article
Chemical composition One sample per batch 3.2 4.1
Dimension and its
Allow deviation
By root or volume 3.3 4.2
Surface roughness by root or volume 3.4 4.3
Composite mass of each batch of two samples 3.5 4.4
Air tightness 20 samples per batch 3.6 4.5
Appearance quality by root or volume 3.7 4.6
5.5 Determination of test results
5.5.1 When the chemical composition is not qualified, it is judged that the batch is not qualified.
5.5.2 Dimension and its allowable deviation, surface roughness, appearance quality is not qualified, then determine the root or volume product failure.
5.5.3 Air tightness pass rate of not more than 90%, then determine the batch of products failed.
5.5.4 Composite quality inspection When the sample is not qualified, double the number of samples from the batch to repeat the test (including the original test is not
Qualified root or roll products), repeat the test results are all qualified, then sentenced to complete batch of qualified products. Such as repeated tests still have a sample failed,
Then sentenced to complete the product failed.
6 Marking, packing, shipping, storage and quality certificates
6.1 mark
In addition to the inspection mark, the product shall be marked or marked on each packing box.
a) supplier name;
b) Product grade, size and status;
c) product lot number.
6.2 Packaging
Bar products single or multiple bundles, wire products, bundled, wrapped with plastic woven cloth or cosmetic paper wrapped, packed with plastic thin
Film, moisture-proof paper or gas-phase rust-proof paper box.
6.3 Transport and storage
Products in the transport process, should prevent bruises, abrasions. The product should be kept in a dry, non-corrosive atmosphere.
6.4 Certificate of Quality
Each batch of product should be accompanied by a quality certificate and indicate.
a) supplier name;
b) product name;
c) product grade, specification and status;
d) product lot number, weight or number;
e) the results of the analysis and inspection department seal;
f) implementation of standards;
g) Packing date.
7 order (or contract) content
The order (or contract) of the products listed in this standard shall include the following.
a) product name;
b) grade;
c) size specifications (including copy size);
d) state (not shown when supplied in hard state);
e) weight;
f) this standard number;
g) other.
Appendix A
(Informative)
The average linear expansion coefficient of the substrate and the electrical properties of the composite material
A.1 Average linear expansion coefficient of substrate
The average linear expansion coefficient of the substrate is shown in Table A.1.
Table A.1 Average linear expansion coefficient......
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