GB/T 38347-2019 PDF EnglishUS$150.00 · In stock · Download in 9 seconds
GB/T 38347-2019: Hot-rolled Wire Rod of Ultra-low Carbon Steel with High Boron Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 38347-2019: Hot-rolled Wire Rod of Ultra-low Carbon Steel with High Boron---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT38347-2019NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.60 H 49 Hot-rolled Wire Rod of Ultra-low Carbon Steel with High Boron ISSUED ON: DECEMBER 10, 2019 IMPLEMENTED ON: JULY 1, 2020 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Designation Representation Method ... 6 4 Order Content ... 6 5 Dimensions, Appearances, Weights and Allowable Deviations ... 7 6 Technical Requirements ... 7 7 Test Methods ... 9 8 Inspection Rules ... 10 9 Packaging, Marking and Quality Certificate ... 11 Appendix A (informative) Purposes of Different Designations of Ultra-low Carbon Steel with High Boron ... 12 Hot-rolled Wire Rod of Ultra-low Carbon Steel with High Boron1 ScopeThis Standard stipulates the designation representation method, order content, dimensions, appearances, weights, allowable deviations, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of hot-rolled wire rod of ultra-low carbon steel with high boron. This Standard is applicable to hot-rolled wire rod of ultra-low carbon steel with high boron with the diameter of 3 mm ~ 60 mm (hereinafter referred to as wire rod).2 Normative ReferencesThe following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.4 Alloyed Steel - Determination of Manganese Content - Potentiometric or Visual Titration Method GB/T 223.5 Steel and Iron - Determination of Acid-soluble Silicon and Total Silicon Content - Reduced Molybdosilicate Spectrophotometric Method GB/T 223.9 Iron Steel and Alloy - Determination of Aluminum Content - Chrome Azurol S Photometric Method GB/T 223.11 Iron, Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method GB/T 223.37 Methods for Chemical Analysis of Iron, Steel and Alloy - The Indophenol Blue Photometric Method for the Determination of Nitrogen Content after Distillation Separation GB/T 223.59 Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric Method GB/T 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium (potassium) Periodate Photometric Method for the Determination of Manganese Conductimetric Method after Fusion in a Current of Inert Gas GB/T 20125 Low-alloy Steel - Determination of Multi-element Contents - Inductively Coupled Plasma Atomic Emission Spectrometric Method GB/T 20126 Unalloyed Steel - Determination of Low Carbon Content - Part 2: Infrared Absorption Method after Combustion in an Induction Furnace (with preheating) GB/T 22368 Low-alloy Steel - Determination of Multi-element Contents - Glow Discharge Optical Emission Spectrometry (routine method) YB/T 081 Rule for Rounding Off of Numerical Values and Judgement of Testing Values for Technical Standards of Metallurgy3 Designation Representation MethodThe designations of wire rod are: CH1B, CH3B, CH5B, BP05, BP05D. See the specific meaning below: CH1B: ---C represents “carbon”; ---H represents the initials of “high”; ---B represents “boron”; ---1 represents one in ten thousand of carbon content. BP05D: ---BP represents the initials of “blasting”; ---05 represents five in ten thousand of carbon content; ---D represents the initials of “electric”. Please refer to Appendix A for the purposes of each designation of steel.4 Order ContentOrder content, which shall be explicitly indicated in the contract, includes: a) Serial No. of this Standard; b) Product name; ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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