25.220.40 标准查询与下载

ASTM F2329/F2329M-15(2023) 碳钢和合金钢螺栓、螺钉、垫圈、螺母和特殊螺纹紧固件的热浸镀锌要求

Standard Specification for Zinc Coating, Hot-Dip, Requirements for Application to Carbon and Alloy Steel Bolts, Screws, Washers, Nuts, and Special Threaded Fasteners

ASTM B734-97(2023) 工程用电沉积铜的标准规范

Standard Specification for Electrodeposited Copper for Engineering Uses

ASTM B832-93(2023) 镍和铜电铸的标准指南

Standard Guide for Electroforming with Nickel and Copper

ASTM B765-03(2023) 电镀层和相关金属镀层孔隙率和总缺陷试验选择的标准指南

Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings

ASTM B867-95(2023) 工程用钯镍电沉积涂层的标准规范

Standard Specification for Electrodeposited Coatings of Palladium-Nickel for Engineering Use

ASTM B555-86(2023) 用跌落试验测量电沉积金属镀层厚度的标准指南

Standard Guide for Measurement of Electrodeposited Metallic Coating Thicknesses by Dropping Test

ASTM B874-96(2023) 用包胶凝法涂覆铬扩散涂层的标准规范

Standard Specification for Chromium Diffusion Coating Applied by Pack Cementation Process

T/HEBQIA 195-2023 MSA电镀锡薄钢板连续电镀技术规范

本文件规定了MSA电镀锡薄钢板连续电镀工艺的基本要求、工艺规范和过程检验。

MSA technical specifications for continuous electroplating of tin-plated thin steel plates

ASTM F3139-15(2023) 用电感耦合等离子体原子发射光谱法分析锡基焊料合金微量元素的标准试验方法

Standard Test Method for Analysis of Tin-Based Solder Alloys for Minor and Trace Elements Using Inductively Coupled Plasma Atomic Emission Spectrometry

BS ISO 5154:2023 用于无线电波传输应用产品的装饰金属涂层 命名和表征方法

1   Scope This document specifies the designation and the characterization methods of the decorative metallic coatings of the products for radio wave transmissive application. The designation consists of the transmission loss of the radio wave, the frequency band of the radio wave under consideration, the lightness and hue of the parts, as well as the main material and manufacturing process of metallic coatings. The characterization methods consist of the determination of the transmission loss of radio wave with specific frequency band and the evaluation of lightness and hue which represent the colour and appearance.

Decorative metallic coatings for radio wave transmissive application products. Designation and characterization method

ASTM D4370-01(2023) 电泳槽酸和碱毫当量含量的标准测试方法

Standard Test Methods for Acid and Base Milliequivalent Content of Electrocoat Bath

ASTM D4399-05(2023) 测量电泳槽电导率的标准测试方法

Standard Test Method for Measuring Electrical Conductivity of Electrocoat Baths

ASTM B842-23 锌铁合金沉积物电沉积涂层的标准规范

1.1  This specification covers the requirements for electrodeposited zinc iron alloy coatings on metals. 1.2  Units— The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3  The following precautionary caveat pertains to the test method portion only, Section 8 , of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Electrodeposited Coatings of Zinc Iron Alloy Deposits

ASTM B766-23 镉电沉积涂层的标准规范

1.1  This specification covers the requirements for electrodeposited cadmium coatings on products of iron, steel, and other metals. Note 1:  Cadmium is deposited as a coating principally on iron and steel products. It can also be electrodeposited on aluminum, brass, beryllium copper, copper, nickel, and powder metallurgy parts. 1.2  The coating is provided in various thicknesses up to and including 25 μm either as electrodeposited or with supplementary finishes. 1.3  Cadmium coatings are used for corrosion resistance and for corrosion prevention of the basis metal part. The as-deposited coating (Type I) is useful for the lowest cost protection in a mild or noncorrosive environment where early formation of white corrosion products is not detrimental or harmful to the function of a component. The prime purpose of the supplementary chromate finishes (Types II and III) on the electroplated cadmium is to increase corrosion resistance. Chromating will retard or prevent the formation of white corrosion products on surfaces exposed to various environmental conditions as well as delay the appearance of corrosion from the basis metal. 1.4  Cadmium plating is used to minimize bi-metallic corrosion between high-strength steel fasteners and aluminum in the aerospace industry. Undercutting of threads on fastener parts is not necessary as the cadmium coating has a low coefficient of friction that reduces the tightening torque required and allows repetitive dismantling. 1.5  Cadmium-coated parts can easily be soldered without the use of corrosive fluxes. Cadmium-coated steel parts have a lower electrical contact resistance than zinc-coated steel. The lubricity of cadmium plating is used on springs for doors and latches and for weaving machinery operating in high humidity. Corrosion products formed on cadmium are tightly adherent. Unlike zinc, cadmium does not build up voluminous corrosion products on the surface. This allows for proper functioning during corrosive exposure of moving parts, threaded assemblies, valves, and delicate mechanisms without jamming with debris. 1.6  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Electrodeposited Coatings of Cadmium

ASTM B650-95(2023) 黑色基底上电沉积工程铬涂层的标准规范

1.1 This specification covers the requirements for electrodeposited chromium coatings applied to ferrous alloys for engineering applications. 1.2 Electrodeposited engineering chromium, which is sometimes called “functional” or “hard” chromium, is usually applied directly to the basis metal and is much thicker than decorative chromium. Engineering chromium is used for the following: 1.2.1 To increase wear and abrasion resistance, 1.2.2 To increase fretting resistance, 1.2.3 To reduce static and kinetic friction, 1.2.4 To reduce galling or seizing, or both, for various metal combinations, 1.2.5 To increase corrosion resistance, and 1.2.6 To build up undersize or worn parts. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Electrodeposited Engineering Chromium Coatings on Ferrous Substrates

ASTM B635-00(2023) 机械沉积镉锡涂层的标准规范

1.1 This specification covers the requirements for a coating that is a mixture of cadmium and tin mechanically deposited on metal products. The coating is provided in various thicknesses up to and including 12 µm. 1.2 Mechanical deposition greatly reduces the risk of hydrogen embrittlement and is suitable for coating bores and recesses in many parts that cannot be conveniently plated electrolytically. (See Appendix X1.) 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazards statements, see Section 7. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Coatings of Cadmium-Tin Mechanically Deposited

ASTM B380-97(2023) 用Corrodkote程序对装饰电镀层腐蚀试验的标准试验方法

1.1 This test method covers the Corrodkote2 method of evaluating the corrosion performance of copper/nickel/ chromium and nickel/chromium coatings electrodeposited on steel, zinc alloys, aluminum alloys, plastics and other substrates. NOTE 1—The following ASTM standards are not requirements. They are reference for information only: Practice B537, Specification B456, Test Method B602, and Specification B604. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Test Method for Corrosion Testing of Decorative Electrodeposited Coatings by the Corrodkote Procedure

ASTM B696-00(2023) 机械沉积镉涂层的标准规范

1.1 This specification covers the requirements for a coating of cadmium mechanically deposited on metal products. The coating is provided in various thicknesses up to and including 12 µm. 1.2 Mechanical deposition greatly reduces the risk of hydrogen embrittlement and is suitable for coating bores and recesses in many parts that cannot be conveniently electroplated (see Appendix X3). 1.3 Cadmium coatings are usually applied to provide engineering properties and corrosion resistance. The performance of a cadmium coating depends largely on its thickness and the kind of environment to which it is exposed. Without proof of satisfactory correlation, accelerated tests such as the salt spray (fog) test cannot be relied upon to predict performance in other environments, nor will these serve as comparative measures of the corrosion resistance afforded by coatings of different metals. Thus, although there is a marked superiority of cadmium coatings over zinc coatings of equal thickness in the salt spray test, this is often not the case under conditions of use, so that further testing in the service environment should be conducted. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see 1.5 and 1.6. 1.5 Warning—Cadmium is toxic and must not be used in a coating for articles that can come into contact with food or beverages, or for dental or other equipment that can be inserted into the mouth. Consult appropriate agencies for regulations in this connection. 1.6 Warning—Because of the toxicity of cadmium vapors and cadmium oxide fumes, cadmium-coated articles must not be used at temperatures of 320 °C and above. They must not be welded, spot-welded, soldered, or otherwise strongly heated without adequate ventilation that will efficiently remove all toxic fumes. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Coatings of Cadmium Mechanically Deposited

ASTM B489-85(2023) 金属上电沉积和自动催化沉积金属涂层延展性弯曲试验的标准实施规程

1.1 This practice covers a test procedure for determining the ductility of electrodeposited and autocatalytically deposited coatings on sheet or strip basis metals. The purpose of the test is to determine the resistance of metal coatings to cracking during distortion.2 1.2 Test Methods E8 can be used if the coatings are too ductile and require mandrels too small to be practical. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Practice for Bend Test for Ductility of Electrodeposited and Autocatalytically Deposited Metal Coatings on Metals

ASTM B689-97(2023) 电镀工程镍涂层的标准规范

1.1 This specification covers the requirements for electroplated nickel coatings applied to metal products for engineering applications, for example, for use as a buildup for mismachined or worn parts, for electronic applications, including as underplates in contacts or interconnections, and in certain joining applications. 1.2 Electroplating of nickel for engineering applications (Note 1) requires technical considerations significantly different from decorative applications because the following functional properties are important: 1.2.1 Hardness, strength, and ductility, 1.2.2 Wear resistance, 1.2.3 Load bearing characteristics, 1.2.4 Corrosion resistance, 1.2.5 Heat scaling resistance, 1.2.6 Fretting resistance, and 1.2.7 Fatigue resistance. NOTE 1—Functional electroplated nickel coatings usually contain about 99 % nickel, and are most frequently electrodeposited from a Watts nickel bath or a nickel sulfamate bath. Typical mechanical properties of nickel electroplated from these baths, and the combined effect of bath operation and solution composition variables on the mechanical properties of the electrodeposit are given in Guide B832. When electroplated nickel is required to have higher hardnesses, greater wear resistance, certain residual stress values and certain leveling characteristics, sulfur and other substances are incorporated in the nickel deposit through the use of certain addition agents in the electroplating solution. For the effect of such additives, see Section 4 and Annex A3. Cobalt salts are sometimes added to the plating solution to produce harder nickel alloy deposits. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Electroplated Engineering Nickel Coatings