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JB/T 12855-2016   Metallic coatings. Electroplated coatings of zinc-nickel alloys (English Version)
Standard No.: JB/T 12855-2016 Status:valid remind me the status change

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Implemented on:2016-9-1 Delivery: via email in 1 business day
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Standard No.: JB/T 12855-2016
English Name: Metallic coatings. Electroplated coatings of zinc-nickel alloys
Chinese Name: 金属覆盖层 锌镍合金电镀层
Professional Classification: JB    Professional Standard - Machinery
Issued by: Ministry of Industry and Information Technology
Issued on: 2016-04-05
Implemented on: 2016-9-1
Status: valid
Language: English
File Format: PDF
Word Count: 5500 words
Price(USD): 150.0
Delivery: via email in 1 business day
Metallic coatings - Electroplated coatings of zinc-nickel alloys 1 Scope This standard specifies the technical requirements and test methods for the electroplated coatings of zinc-nickel alloys with nickel content (mass fraction) of 5%~10% (low nickel) and 10%~17% (high nickel) on steel. This standard is applicable to the electroplated coatings of zinc-nickel alloys on parts and components of automobile, aerospace, weapon and other products. This standard is not applicable to: ——parts with tensile strength greater than 1,200MPa or Vickers hardness greater than 370HV; ——fasteners (bolts, nuts, etc.) with quality grade greater than 10.9; ——parts in contact with magnesium material. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3138 Metallic and other inorganic coatings - Surface treatment, metallic and other inorganic coatings - Vocabulary GB/T 6461 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates - Rating of test specimens and manufactured articles subjected to corrosion tests GB/T 6462 Metallic and oxide coatings - Measurement of coating thickness - Microscopical method GB/T 9791 Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys - Test methods GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests GB/T 12334 Metallic and other inorganic coatings - Definitions and conventions concerning the measurement of thickness GB/T 13911 Designation for metallic coating and chemical treatment GB/T 16823.3 Fasteners - Torque/clamp force testing GB/T 16921 Metallic coatings - Measurement of coating thickness - X-ray spectrometric methods 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 3138 and GB/T 12334 and the following apply.
Foreword II 1 Scope 2 Normative references 3 Terms and definitions 4 Identification of coating 4.1 Identification methods 4.2 Examples of identification 5 Information to be provided by the purchaser to the electroplating manufacturer 5.1 Essential information 5.2 Additional information 6 Technical requirements of coatings 6.1 Appearance 6.2 Alloy proportion, thickness and corrosion resistance of the coatings 6.3 Bonding strength 6.4 Corrosion resistance 6.5 Friction coefficient 6.6 Prohibited and restricted substances 6.7 Heat treatment for removing hydrogen embrittlement 7 Test methods for coatings 7.1 Appearance 7.2 Alloy proportion 7.3 Thickness 7.4 Bonding strength 7.5 Corrosion resistance 7.6 Friction coefficient 7.7 Prohibited and restricted substances Table 1 Symbol and meaning of identification and passivating film color of electroplated coatings Table 2 Examples and descriptions of identification of the electroplated coatings of zinc-nickel alloys Table 3 Alloy proportion, thickness and corrosion resistance of the electroplated coatings of zinc-nickel alloys Table 4 Requirements for removing hydrogen embrittlement after electroplating the zinc-nickel alloys
Referred in JB/T 12855-2016:
*GB/T 3138-2015 Metallic and other inorganic coatings―Surface treatment,metallic and other inorganic coatings―Vocabulary
*GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on mtallic substrates--Rating of test speciments and manufactured articles subjected to corrosion tests
*GB/T 6462-2005 Metallic and oxide coatings-Measurement of coating inckness-Microscopical method
*GB/T 9791-2003 conversion coatings on zine, cadmium, aluminium-zine alloys and zinc - Aluminium alloys - Test methods
*GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests
*GB/T 12334-2001 Metallic and other inorganic coatings - Definitions and conventions concerning the measurement of thickness
*GB/T 13911-92 Expression Methods for Metallic Coating and Chemical Treatment
*GB/T 16823.3-2010 Fasteners—Torque/clamp force testing
*GB/T 16921-2005 Metallic coatings-Measurement of coating thickness-X-ray spectrometric methods
Code of China
Standard
JB/T 12855-2016  Metallic coatings. Electroplated coatings of zinc-nickel alloys (English Version)
Standard No.JB/T 12855-2016
Statusvalid
LanguageEnglish
File FormatPDF
Word Count5500 words
Price(USD)150.0
Implemented on2016-9-1
Deliveryvia email in 1 business day
Detail of JB/T 12855-2016
Standard No.
JB/T 12855-2016
English Name
Metallic coatings. Electroplated coatings of zinc-nickel alloys
Chinese Name
金属覆盖层 锌镍合金电镀层
Chinese Classification
Professional Classification
JB
ICS Classification
Issued by
Ministry of Industry and Information Technology
Issued on
2016-04-05
Implemented on
2016-9-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
5500 words
Price(USD)
150.0
Keywords
JB/T 12855-2016, JB 12855-2016, JBT 12855-2016, JB/T12855-2016, JB/T 12855, JB/T12855, JB12855-2016, JB 12855, JB12855, JBT12855-2016, JBT 12855, JBT12855
Introduction of JB/T 12855-2016
Metallic coatings - Electroplated coatings of zinc-nickel alloys 1 Scope This standard specifies the technical requirements and test methods for the electroplated coatings of zinc-nickel alloys with nickel content (mass fraction) of 5%~10% (low nickel) and 10%~17% (high nickel) on steel. This standard is applicable to the electroplated coatings of zinc-nickel alloys on parts and components of automobile, aerospace, weapon and other products. This standard is not applicable to: ——parts with tensile strength greater than 1,200MPa or Vickers hardness greater than 370HV; ——fasteners (bolts, nuts, etc.) with quality grade greater than 10.9; ——parts in contact with magnesium material. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3138 Metallic and other inorganic coatings - Surface treatment, metallic and other inorganic coatings - Vocabulary GB/T 6461 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates - Rating of test specimens and manufactured articles subjected to corrosion tests GB/T 6462 Metallic and oxide coatings - Measurement of coating thickness - Microscopical method GB/T 9791 Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys - Test methods GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests GB/T 12334 Metallic and other inorganic coatings - Definitions and conventions concerning the measurement of thickness GB/T 13911 Designation for metallic coating and chemical treatment GB/T 16823.3 Fasteners - Torque/clamp force testing GB/T 16921 Metallic coatings - Measurement of coating thickness - X-ray spectrometric methods 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 3138 and GB/T 12334 and the following apply.
Contents of JB/T 12855-2016
Foreword II 1 Scope 2 Normative references 3 Terms and definitions 4 Identification of coating 4.1 Identification methods 4.2 Examples of identification 5 Information to be provided by the purchaser to the electroplating manufacturer 5.1 Essential information 5.2 Additional information 6 Technical requirements of coatings 6.1 Appearance 6.2 Alloy proportion, thickness and corrosion resistance of the coatings 6.3 Bonding strength 6.4 Corrosion resistance 6.5 Friction coefficient 6.6 Prohibited and restricted substances 6.7 Heat treatment for removing hydrogen embrittlement 7 Test methods for coatings 7.1 Appearance 7.2 Alloy proportion 7.3 Thickness 7.4 Bonding strength 7.5 Corrosion resistance 7.6 Friction coefficient 7.7 Prohibited and restricted substances Table 1 Symbol and meaning of identification and passivating film color of electroplated coatings Table 2 Examples and descriptions of identification of the electroplated coatings of zinc-nickel alloys Table 3 Alloy proportion, thickness and corrosion resistance of the electroplated coatings of zinc-nickel alloys Table 4 Requirements for removing hydrogen embrittlement after electroplating the zinc-nickel alloys
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