HOME   Cart(0)   Quotation   About-Us Tax PDFs Standard-List Powered by Google www.ChineseStandard.net Database: 189759 (27 Oct 2024)

GB/T 16825.1-2022 Related PDF English (GB/T 16825.1-2008, GB/T 16825.1-2002)

GB/T 16825.1-2022 (GB/T16825.1-2022, GBT 16825.1-2022, GBT16825.1-2022) & related versions
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusSimilar PDF
GB/T 16825.1-2022English320 Add to Cart 0-9 seconds. Auto delivery. Metallic materials -- Calibration and verification of static uniaxial testing machines -- Part 1: Tension/compression testing machines -- Calibration and verification of the force-measuring system GB/T 16825.1-2022 Valid GBT 16825.1-2022
GB/T 16825.1-2008English225 Add to Cart 0-9 seconds. Auto delivery. Verification of static uniaxial testing machines -- Part 1: Tension/compression testing machines -- Verification and calibration of the force-measuring system GB/T 16825.1-2008 Obsolete GBT 16825.1-2008
GB/T 16825.1-2002English599 Add to Cart 3 days Verification of static uniaxial testing machines -- Part 1: Tension/compression testing machines -- Verification and calibration of the force-measuring system GB/T 16825.1-2002 Obsolete GBT 16825.1-2002
GB/T 16825-1997English439 Add to Cart 3 days Verification of tensile testing machines GB/T 16825-1997 Obsolete GBT 16825-1997
Buy with any currencies (Euro, JPY, KRW...): GB/T 16825.1-2022    Preview this PDF: GB/T 16825.1-2022



GB/T 16825.1-2022 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 19.060; 77.040.10 CCS N 71 GB/T 16825.1-2022 / ISO 7500-1:2018 Replacing GB/T 16825.1-2008 Metallic materials - Calibration and verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Calibration and verification of the force- measuring system (ISO 7500-1:2018, IDT) ISSUED ON: OCTOBER 12, 2022 IMPLEMENTED ON: MAY 01, 2023 Issued by: State Administration for Market Regulation; Standardization Administration of the PRC. Table of Contents Introduction ... 5  1 Scope ... 6  2 Normative references ... 6  3 Terms and definitions ... 7  4 Symbols... 7  5 General inspection of the testing machine ... 9  6 Calibration of the force-measuring system of the testing machine ... 9  6.1 General ... 9  6.2 Determination of the resolution ... 11  6.2.1 Analogue scale ... 11  6.2.2 Digital scale ... 11  6.2.3 Variation of readings ... 11  6.2.4 Unit ... 11  6.3 Determination of the relative resolution of the force indicator ... 11  6.4 Calibration procedure ... 12  6.4.1 Alignment of the force-proving instrument ... 12  6.4.2 Temperature compensation... 12  6.4.3 Conditioning of the testing machine and force-proving instrument ... 12  6.4.4 Calibration methods ... 13  6.4.5 Application of forces ... 13  6.4.6 Verification of accessories ... 14  6.4.7 Verification of the effect of piston positions ... 15  6.4.8 Determination of indication reversibility error ... 15  6.5 Assessment of the force indicator ... 16  6.5.1 Relative indication error ... 16  6.5.2 Indication repeatability ... 16  6.5.3 Agreement between two force-proving instruments ... 17  7 Class of testing machine range ... 17  8 Verification report ... 18  8.1 General information ... 18  8.2 Results of verification ... 18  9 Intervals between verifications ... 19  Annex A (Normative) General inspection of the testing machine ... 20  Annex B (Informative) Inspection of the loading platens of the compression testing machines ... 21  Annex C (Informative) Uncertainty of the calibration results of the force-measuring system ... 22  Bibliography ... 26  Foreword This document is drafted in accordance with GB/T 1.1-2020 "Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents". This document is Part 1 of GB/T 16825 "Metallic materials - Calibration and verification of static uniaxial testing machines". GB/T 16825 has issued the following parts: - Part 1: Tension/compression testing machines - Calibration and verification of the force-measuring system; - Part 2: Tension creep testing machines - Verification of the applied force. This document replaces GB/T 16825.1-2008 "Verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Verification and calibration of the force-measuring system". Compared with GB/T 16825.1-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows: - Change the scope of application of the document; add verification requirements for the performance properties of the testing machine to reach the specified class (see Clause 1; Clause 1 of the 2008 edition); - Add the term "Verification" (see 3.2); - Add definitions of symbols such as aF, aZ, bal, ΔF, Δm, Δg, E, E′, k, m, qi, qal, qmax, qmin (see Clause 4); - Change the representation method of the resolution of numerical indicator (see 6.2.2; 6.2.2 of the 2008 edition); - Change the determination method of relative resolution (see 6.3; 6.3 of the 2008 edition); - Change the relevant requirements for calibration methods (see 6.4.4; 6.4.4 of the 2008 edition); - Change the requirement for calibration below 20% of the measuring force range (see 6.4.5; 6.4.5 of the 2008 edition); - Change the requirements for relative indication error, relative repeatability error, and agreement between two force-proving instruments in the assessment of force indicator (see 6.5; 6.5 of the 2008 edition). This document is identical to ISO 7500-1:2018 "Metallic materials - Calibration and verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Calibration and verification of the force-measuring system". Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority of this document shall not be held responsible for identifying any or all such patent rights. This document was proposed by China Machinery Industry Federation. This document shall be under the jurisdiction of National Technical Committee 122 on Testing Machines of Standardization Administration of China (SAC/TC 122). Drafting organizations of this document: Sinotest Equipment Co., Ltd., Zhejiang Schlikor Test Instrument Manufacturing Co., Ltd., Jinan Xinguang Testing Machine Manufacturing Co., Ltd., MTS Systems (China) Co., Ltd., Shenzhen Wance Testing Machine Co., Ltd., Kunshan Innovation Testing Instruments Co., Ltd.,  Xi'an Letry Material Testing Technology Co., Ltd. Main drafters of this document: Ren Xia, Duan Zhuming, Wang Jianguo, Bai Shuang, Xiao Congyin, Zhong Xin, Tao Zecheng, Zhang Jianwei, Wang Xuefeng. The previous releases of this document and the documents it replaces are as follows: - It was first issued in 1997 as GB 16825-1997; first revised in 2002 as GB/T 16825.1-2002; second revised in 2008; - This is the third revision. Metallic materials - Calibration and verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Calibration and verification of the force- measuring system 1 Scope This document specifies the calibration and verification method of tension/compression testing machines. The verification consists of: - a general inspection of the testing machine, including its accessories for the force application; - a calibration of the force-measuring system of the testing machine; - a confirmation that the performance properties of the testing machine achieve a class. This document applies to the calibration and verification of the force-measuring system of tension/compression testing machines. Note: This document only addresses the static calibration and verification of the force-measuring systems. The calibration values are not necessarily valid for high-speed or dynamic testing applications. Further information regarding dynamic effects is given in the Bibliography. CAUTION - Some of the tests specified in this document involve the use of processes which can lead to a hazardous situation. 2 Normative references The contents of the following documents, through normative references in this text, constitute indispensable provisions of this document. Among them, for dated references, only the edition corresponding to that date applies to this document. For undated references, the latest edition (including all amendments) applies to this document. ISO 376 Metallic materials - Calibration of force-proving instruments used for the verification of uniaxial testing machines Note: GB/T 13634-2019 Metallic materials - Calibration of force-proving instruments used for ......


GB/T 16825.1-2008 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 19.060; 77.040.10 N 71 GB/T 16825.1-2008 / ISO 7500-1:2004 Replacing GB/T 16825.1-2002 Verification of Static Uniaxial Testing Machines – Part 1: Tension/Compression Testing Machines – Verification and Calibration of the Force-Measuring System (ISO 7500-1:2004, Metallic Materials – Verification of Static Uniaxial Testing Machines – Part 1: Tension/Compression Testing Machines – Verification and Calibration of the Force-Measuring Systems, IDT) ISSUED ON: JUNE 20, 2008 IMPLEMENTED ON: JANUARY 01, 2009 Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People’s Republic of China. Table of Contents Foreword ... 3 1 Scope ... 5 2 Normative References ... 5 3 Terms and Definitions ... 5 4 Symbols and Their Meanings ... 6 5 General Inspection of the Testing Machine ... 6 6 Calibration of the Force-Measuring System of the Testing Machine ... 7 6.1 General ... 7 6.2 Determination of the resolution ... 8 6.3 Prior determination of the relative resolution of the force indicator... 9 6.4 Calibration procedure ... 9 6.5 Assessment of the force indicator ... 13 7 Class of Testing Machine Range ... 14 8 Verification Report ... 14 8.1 General ... 14 8.2 General information ... 15 8.3 Results of verification ... 15 9 Intervals between Verifications ... 15 Annex A (Normative) General Inspection of the Testing Machine ... 16 Annex B (Informative) Inspection of the Loading Platens of the Compression Testing Machines ... 17 Annex C (Informative) Alternative Method of Testing Machine Classification ... 18 Annex D (Informative) Uncertainty of the Calibration Results of the Force-Measuring System ... 19 Bibliography ... 23 Foreword Please note some contents of this Standard may involve patents. The issuing agency of this Standard shall not assume the responsibility to identify these patents. GB/T 16825 Verification of Static Uniaxial Testing Machines can be divided into the following 2 parts: --- Part 1: Tension/Compression Testing Machines – Verification and Calibration of the Force-Measuring system; --- Part 2: Tension Creep Testing Machines – Verification of the Applied Force. This Part is Part 1 of GB/T 16825. This Part equivalently adopted ISO 7500-1:2004 Metallic Materials – Verification of Static Uniaxial Testing Machines – Part 1: Tension/Compression Testing Machines – Verification and Calibration of the Force-Measuring System (The 3rd Version of English Edition). For the benefit of use, the Part made the following editorial modifications: --- Modify the name; --- Delete the Foreword of ISO 7500-1:2004; --- Add the Foreword of national standard; --- Cite China’s national standards that correspond to the normative references directly; --- Add the contents of mentioning Annexes B, C and D in the text. This Part replaced GB/T 16825.1-2002 Verification of Static Uniaxial Testing Machines – Part 1: Tension/Compression Testing Machines – Verification and Calibration of the Force- Measuring System. Compared with GB/T 16825.1-2002, the major changes of this Part are as follows: --- Change the word "force gauge" into "standard force gauge" (Clause 2 of 2002 Edition; Clause 2 of this Edition); --- Change the word "range" into " force-measuring range " (Clause 6 of 2002 Edition; Clause 6 of this Edition); --- Revise the formula for calculating the relative reversibility error [Formula (8) of 2002 Edition; Formula (8) of this Edition]; --- Revise the requirements that auxiliary devices shall meet [Formulas (6) and (7) of 2002 Edition; formulas (6) and (7) of this Edition]; Verification of Static Uniaxial Testing Machines – Part 1: Tension/Compression Testing Machines – Verification and Calibration of the Force-Measuring System 1 Scope This Part of GB/T 16825 specifies the verification of tension/compression testing machines. The verification consists of: --- a general inspection of the testing machine, including its accessories for the force application; --- a calibration of the force-measuring system. NOTE: This Part of GB/T 16825 addresses the static verification of the force-measuring systems. The calibration values are not necessarily valid for high-speed or dynamic testing applications. Further information regarding dynamic effects is given in the Bibliography. 2 Normative References The provisions in following documents become the provisions of this Part of GB/T 16825 through reference in this Part. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Part, however, parties who reach an agreement based on this Part are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 13634 Metallic Materials – Calibration of Force-Measuring Instruments Used for the Verification of Uniaxial Testing Machines (GB/T 13634-2008, ISO 376:2004, IDT) 3 Terms and Definitions For the purposes of this Part of GB/T 16825, the following terms and definitions apply. 3.1 Calibration Set of operations that establish, under specified conditions, the relationship between values of quantities indicated by a measuring instrument or measuring system, or values represented by a material measure or a reference material, and the corresponding values realized by standards. ......

BASIC DATA
Standard ID GB/T 16825.1-2022 (GB/T16825.1-2022)
Description (Translated English) Metallic materials -- Calibration and verification of static uniaxial testing machines -- Part 1: Tension/compression testing machines -- Calibration and verification of the force-measuring system
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N71
Classification of International Standard 19.060; 77.040.10
Word Count Estimation 22,244
Date of Issue 2022-10-14
Date of Implementation 2023-05-01
Older Standard (superseded by this standard) GB/T 16825.1-2008
Drafting Organization Zhongji Testing Equipment Co., Ltd., Zhejiang Lixian Testing Instrument Manufacturing Co., Ltd., Jinan Xinguang Testing Machine Manufacturing Co., Ltd., Meters Industrial Systems (China) Co., Ltd., Shenzhen Wance Testing Equipment Co., Ltd., Kunshan Innovation Technology Testing Instrument Co., Ltd., Xi'an Lichuang Material Testing Technology Co., Ltd.
Administrative Organization National Testing Machine Standardization Technical Committee (SAC/TC 122)
Proposing organization China Machinery Industry Federation
Issuing agency(ies) State Administration for Market Regulation, National Standardization Management Committee

BASIC DATA
Standard ID GB/T 16825.1-2008 (GB/T16825.1-2008)
Description (Translated English) Verification of static uniaxial testing machines. Part 1: Tension/compression testing machines. Verification and calibration of the force-measuring system
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N71
Classification of International Standard 19.060; 77.040.10
Word Count Estimation 18,11
Date of Issue 2008-06-20
Date of Implementation 2009-01-01
Older Standard (superseded by this standard) GB/T 16825.1-2002
Quoted Standard GB/T 13634
Adopted Standard ISO 7500-1-2004, IDT
Drafting Organization Changchun Institute of Testing Machines
Administrative Organization National Technical Committee of Standardization Testing Machine
Regulation (derived from) Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Proposing organization China Machinery Industry Federation
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the tension and (or) method of pressure testing machines. Inspection includes: testing machine (including applied force attachment) general inspection, force measuring system calibration. Note: GB/T 16825 relates only to this part of the static force measurement test, the calibration values ??are not necessarily suitable for high speed or dynamic tests. For more information about dynamic effects see " References. "

BASIC DATA
Standard ID GB/T 16825.1-2002 (GB/T16825.1-2002)
Description (Translated English) Verification of static uniaxial testing machines--Part 1: Tension/compression testing machines--Verification and calibration of the force-measuring system
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H22
Classification of International Standard 77.040.10
Word Count Estimation 15,159
Date of Issue 2002/11/25
Date of Implementation 2003/5/1
Older Standard (superseded by this standard) GB/T 16825-1997
Adopted Standard ISO 7500-1-1999, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Proposing organization China Machinery Industry Federation
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China