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Position: Chinese Standard in English/GB/T 34891-2017
GB/T 34891-2017   Rolling bearings-Parts made from high-carbon chromium bearing steels- Specifications for heat treatment (English Version)
Standard No.: GB/T 34891-2017 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 12500 words Price(USD):160.0 remind me the price change

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Implemented on:2018-5-1 Delivery: via email in 1 business day
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Standard No.: GB/T 34891-2017
English Name: Rolling bearings-Parts made from high-carbon chromium bearing steels- Specifications for heat treatment
Chinese Name: 滚动轴承 高碳铬轴承钢零件 热处理技术条件
Professional Classification: GB    National Standard
ICS Classification: 21.100.20 21.100.20    Rolling bearings 21.100.20
Issued by: AQSIQ AND SAC
Issued on: 2017-11-01
Implemented on: 2018-5-1
Status: valid
Language: English
File Format: PDF
Word Count: 12500 words
Price(USD): 160.0
Delivery: via email in 1 business day
Specifications for Heat Treatment 1 Scope This standard specifies technical requirements and inspection methods for the G8Cr15, GCr15, GCr15SiMn, GCr15SiMo and GCr18Mo steel rolling bearing ferrules and rolling elements (hereinafter referred to as "bearing parts"), as specified in GB/T 18254 [1], after annealing, quenching and tempering. This standard is applicable to interprocess inspection of the said steel bearing parts and heat treatment quality inspection of finished parts (commodities), as well as bearing parts made from other high-carbon chromium steels. For bearing parts subject to special requirements, corresponding product drawings shall apply. 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 230.1-2009 Metallic Materials—Rockwell Hardness Test—Part 1: Test Method (Scales A, B, C, D, E, F, G, H, K, N, T) GB/T 231.1 Metallic Materials—Brinell Hardness Test—Part 1: Test Method GB/T 272-2017 Rolling Bearing—Identification Code GB/T 1172 Conversion of Hardness and Strength for Ferrous Metal GB/T4340.1 Metallic Materials—Vickers Hardness Test—Part 1: Test Method GB/T 6394 Determination of Estimating the Average Grain Size of Metal GB/T 17394 Metallic Materials—Leeb Hardness Test GB/T 24606 Rolling Bearings—Non-destructive Testing—Magnetic Particle Testing JB/T 7361 Rolling Bearings—Test Method for Hardness of Parts JB/T 7362 Rolling Bearings—Determination of Decarburized Depth for Parts 3 Technical Requirements 3.1 Technical requirements of the bearing parts after spheroidizing annealing The technical requirements of bearing parts after spheroidizing annealing are as given in Table 1. 3.2 Technical requirements of the bearing parts after martensite quenching and tempering 3.2.1 Hardness The hardness of bearing part after martensite quenching and tempering, and the hardness difference of the same part respectively shall comply with Tables 2 and 3 respectively.
Foreword i 1 Scope 2 Normative References 3 Technical Requirements 4 Inspection Methods Annex A (Informative) Effective Wall Thickness of Ferrule and Effective Diameter of Roller Annex B (Normative) Steel Ball Crushing Load Test Specifications and Crushing Load Value after Heat Treatment Annex C (Normative) Decarburized Layer Depth of Bearing Part after Quenching and Tempering Annex D (Informative) Allowable Deformation of Bearing Ferrule after Quenching and Tempering Annex E (Informative) Residual Austenite Content of Bearing Part after Quenching and Tempering Annex F (Normative) Hardness Correction of Curved Surface Annex G (Normative) Pickling Inspection Specifications Bibliography
Referred in GB/T 34891-2017:
*GB/T 230.1-2009 Metallic materials - Rockwell hardness test - Part 1: Test method(scales A, B, C, D, E, F, G, H, K, N, T)
*GB/T 231.1-2018 Metallic materials-Brinell hardness test-Part 1:Test method
*GB/T 272-2017 Rolling bearings. Identification code
*GB/T 1172-1999 Conversion of hardness and strength for ferrous metal
*GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method
*GB/T 6394-2017 Metal - Methods for estimating the average grain size
*GB/T 17394-1998 Metallic materials - Leeb hardness test
*GB/T 24606-2009 Rolling bearings—Non-destructive testing—Magnetic particle testing
*JB/T 7361-2007 Rolling bearings--Test method for hardness of parts
*JB/T 7362-2007 Rolling bearings--Determination of decarburized depth for parts
GB/T 34891-2017 is referred in:
*JB/T 13348-2017 Rolling bearings-Bearings for traction machine of electric lift
Code of China
Standard
GB/T 34891-2017  Rolling bearings-Parts made from high-carbon chromium bearing steels- Specifications for heat treatment (English Version)
Standard No.GB/T 34891-2017
Statusvalid
LanguageEnglish
File FormatPDF
Word Count12500 words
Price(USD)160.0
Implemented on2018-5-1
Deliveryvia email in 1 business day
Detail of GB/T 34891-2017
Standard No.
GB/T 34891-2017
English Name
Rolling bearings-Parts made from high-carbon chromium bearing steels- Specifications for heat treatment
Chinese Name
滚动轴承 高碳铬轴承钢零件 热处理技术条件
Chinese Classification
Professional Classification
GB
ICS Classification
Issued by
AQSIQ AND SAC
Issued on
2017-11-01
Implemented on
2018-5-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
12500 words
Price(USD)
160.0
Keywords
GB/T 34891-2017, GB 34891-2017, GBT 34891-2017, GB/T34891-2017, GB/T 34891, GB/T34891, GB34891-2017, GB 34891, GB34891, GBT34891-2017, GBT 34891, GBT34891
Introduction of GB/T 34891-2017
Specifications for Heat Treatment 1 Scope This standard specifies technical requirements and inspection methods for the G8Cr15, GCr15, GCr15SiMn, GCr15SiMo and GCr18Mo steel rolling bearing ferrules and rolling elements (hereinafter referred to as "bearing parts"), as specified in GB/T 18254 [1], after annealing, quenching and tempering. This standard is applicable to interprocess inspection of the said steel bearing parts and heat treatment quality inspection of finished parts (commodities), as well as bearing parts made from other high-carbon chromium steels. For bearing parts subject to special requirements, corresponding product drawings shall apply. 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 230.1-2009 Metallic Materials—Rockwell Hardness Test—Part 1: Test Method (Scales A, B, C, D, E, F, G, H, K, N, T) GB/T 231.1 Metallic Materials—Brinell Hardness Test—Part 1: Test Method GB/T 272-2017 Rolling Bearing—Identification Code GB/T 1172 Conversion of Hardness and Strength for Ferrous Metal GB/T4340.1 Metallic Materials—Vickers Hardness Test—Part 1: Test Method GB/T 6394 Determination of Estimating the Average Grain Size of Metal GB/T 17394 Metallic Materials—Leeb Hardness Test GB/T 24606 Rolling Bearings—Non-destructive Testing—Magnetic Particle Testing JB/T 7361 Rolling Bearings—Test Method for Hardness of Parts JB/T 7362 Rolling Bearings—Determination of Decarburized Depth for Parts 3 Technical Requirements 3.1 Technical requirements of the bearing parts after spheroidizing annealing The technical requirements of bearing parts after spheroidizing annealing are as given in Table 1. 3.2 Technical requirements of the bearing parts after martensite quenching and tempering 3.2.1 Hardness The hardness of bearing part after martensite quenching and tempering, and the hardness difference of the same part respectively shall comply with Tables 2 and 3 respectively.
Contents of GB/T 34891-2017
Foreword i 1 Scope 2 Normative References 3 Technical Requirements 4 Inspection Methods Annex A (Informative) Effective Wall Thickness of Ferrule and Effective Diameter of Roller Annex B (Normative) Steel Ball Crushing Load Test Specifications and Crushing Load Value after Heat Treatment Annex C (Normative) Decarburized Layer Depth of Bearing Part after Quenching and Tempering Annex D (Informative) Allowable Deformation of Bearing Ferrule after Quenching and Tempering Annex E (Informative) Residual Austenite Content of Bearing Part after Quenching and Tempering Annex F (Normative) Hardness Correction of Curved Surface Annex G (Normative) Pickling Inspection Specifications Bibliography
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Keywords:
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