This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage and quality certificate of copper-beryllium master alloy ingots. This standard applies to copper-beryllium master alloy ingots produced by carbon thermal reduction of Cu-CATH-1, Cu-CATH-2 cathode copper and industrial beryllium oxide. It is mainly used in the production of beryllium bronze processing materials and electronic components. YS/T 260-2004 Copper-beryllium master alloy ingots YS/T260-2004 Standard download decompression password: www.bzxz.net

People's Republic of China nonferrous metal industry standard YS/T2602004 bZxz.net
Replacement Ys/T26u--1s94
Copper-beryllium master alloy ingot
Copper-berylllum master alloy ingot 2004-06-17 Issued
National Development and Reform Commission
Implementation on 2004-↑1-01
FS/T 2602004
This standard is a revision of YS/T250-1994 &Copper chain intermediate alloy chain>. The following corrections have been made to the three-part ratio of YS/T26J-1JU4c copper alloy in this standard: the Be content of CuBe-1 brand has been changed from 3.A%-4.1% to 3.85--4.10, and the e content of CuBe-2 brand has been changed from 3.5%~3.3% to 3.50%~-3.85; the Fe and Si content of the first dye has been changed from C,35% to 0. 11%: Added the requirement for the content of impurity P;
-Physical specifications: 5kg for 4kggi
Packing method: Add or remove other packaging methods,
This standard was proposed and submitted by the National Nonferrous Metals Association Technical Committee, and this standard was drafted by 11 [Nonferrous Metals Co., Ltd., the drafters of this standard: Zhi Zhong, Xin Ping An, Tang Aiqun, Pingfeng, Mu Biao, Shan National Nonferrous Metals Association Technical Committee for Standardization, the effective version of this standard is: YB 853--_975;
GR/TR7--9S:
1994:
XS/1260
1 Fan Ying
Copper beryllium alloy ingot
18/1 260—2004
This standard specifies the requirements, test methods, inspection rules and specifications, packaging, production, transportation, storage and quality certification of intermediate alloys. This standard is applicable to Gu-CAT1, CL-CAFT1-2 medical copper and industrial grade forged intermediate alloys produced by carbothermal reduction. It is mainly used for processing materials and electronic components production. 2 Normative references
The following documents have become the terms of this standard through the use of technical standards. For all the dated application documents, all subsequent changes (excluding those that are not included in the standard) shall apply to this standard. However, the parties involved in the standard shall study whether the latest versions of these documents can be used. For all the dated application documents, the latest versions shall apply to this standard. 3/T250 Methods for expressing and judging the values ​​of the board root GE/TI: Number of good medicines || tt || YS/T7 Dunuo alloy chemistry 3 Requirements 3.1 Product classification The chemical composition of the intermediate alloy is divided into 2 grades: UU-1.CuP-2. 3.2 Chemical composition 3.2.1 The chemical composition of the intermediate alloy shall conform to the chemical composition of the intermediate alloy ingot in Table 1. 1% (r: be-] 5. b--. 1 13.13-3.8. No impurities. no?
3.2.2 The content and the content of the table are all actual supply, the total amount is 100% minus the sum of the actual values ​​of impurities in the supply and table,
3.2.3 The determination of the gold quality shall be carried out in accordance with the provisions of GB/T8170: the determination of the modified number shall be carried out in accordance with the provisions of E/11250.
3.2.4 If the buyer has special requirements for the chemical composition of the gold content in the chain, it can be determined by the buyer in advance. 3.3 Ingot shape and ingot weight|| 3.3.1 The intermediate alloy is generally rectangular. The cost of each unit is (4 (.4) kg. 3.3.2 If there are special requirements for the physical specifications of the copper-magnesium alloy, it can be agreed upon by the supply and demand parties. 34 External quality
Leaving an intermediate platform will promote the surface to be smooth, without flash, and there shall be no contact and foreign impurities. 4 Test method
4.1 The chemical composition of the beryllium alloy is analyzed by the method of YS/T470, 1
YS/7' 2602004
4.2 Inspection of the external quality of the product or the date of the inspection. 5 Inspection regulations
5. Inspection and acceptance
5.1.1 The inspection department of the receiving party shall conduct inspections to ensure that the product complies with the provisions of this standard and the order form (contract), and shall issue a quality certificate.
5.1.2 The receiving party shall inspect the product according to the provisions of this standard. If the inspection results are inconsistent with the provisions of this standard or the order form (contract), the receiving party shall notify the receiving party within 3 days after the product is received. The supplier shall submit the sample to the buyer according to the agreement of the supply and demand parties in advance, and the buyer shall submit the sample to the buyer for inspection. 5.2.1 The batches shall be submitted for inspection in batches, and each batch shall be submitted to the buyer for inspection at the same time. The batch shall not exceed 0.1. 5.2.2 According to the requirements of the customer (or with the consent of the user), it is allowed to make one inspection batch from the batches of the same warehouse number: 5.3 Inspection items 5.3.1 Inspection according to the minimum quality standard, 5.3.2 Appearance quality inspection.
54 Sampling method
5.4.1 Take 11% of the master alloy of each chain. The number of samples shall not be less than four. 5.4.2 Drilling method: Drills with a diameter of 8 mm shall be taken. 5.4.3 Each alloy block shall have a total of five. Four, one on each side, one on the front and one on the back, arranged crosswise. The depth of the sample hole shall be 2/3 of the original. 5.4.4 Use a magnetic device to remove the old ones brought in by the machine during the sale. After sealing, use the quartering method to reduce them into 4 equal parts, each with a minimum of 32 kg. Cut each part into smaller parts and keep one for standby. 5.5 Determination of inspection results
5.5.1 When the chemical composition results do not conform to the provisions of this standard or the order (contract), the judgment shall be rejected. 5.5.2 If the appearance quality does not meet the requirements of this standard or the standard (convex) when the inspection result is not up to standard, it shall be judged as non-conformity. 6. Marking, packaging, transportation, storage and quality certificate 6.1 Marking
6.1.1 Each intermediate alloy chain shall have a trademark and batch number. 6.1.2 The intermediate alloy chain shall have a certificate of authenticity and indicate the manufacturer's name, product name, brand, number and other specifications. 6.2 Packaging
6.2.1 The product shall be packed in wooden boxes, soft reinforced boxes, or iron boxes without sealing. 6.2.2 The product may be packed in other ways after negotiation between the supply and demand parties. 6.3 Transportation and storage
The products shall not be damaged (lost) or contaminated during transportation and treatment. 6.4 Quality Certificate
Each batch of copper quilt intermediate composite should be accompanied by a certificate indicating: a) Address of manufacturer:
b) Product name and brand:
Net weight and number of pieces:
Analysis and inspection results and inspection department stamp
This standard number:
Inspection date:
Original date.
Order form (or contract) for materials listed in this standard should include the following: Product name:
State,
Quantity!
This standard number
Others.
YS/T2G0—204
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