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QC/T 764-2015 PDF English

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QC/T 764-2015: Road vehicles - Hydraulic braking system - Simple flare pipes, tube tapped holes, male fittings and hose end fittings
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QC/T 764: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
QC/T 764-2015English150 Add to Cart 0-9 seconds. Auto-delivery Road vehicles - Hydraulic braking system - Simple flare pipes, tube tapped holes, male fittings and hose end fittings Valid
QC/T 764-2006English140 Add to Cart 0-9 seconds. Auto-delivery Department of automobile hydraulic brake metal tube, inside and outside the threaded pipe joints and hose end fittings Obsolete

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QC/T 764-2015: Road vehicles - Hydraulic braking system - Simple flare pipes, tube tapped holes, male fittings and hose end fittings


---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/QCT764-2015
AUTOMOBILE INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.40 T 24 Replacing QC/T 764-2006 Road vehicles - Hydraulic braking system - Simple flare pipes, tube tapped holes, male fittings and hose end fittings ISSUED ON: APRIL 30, 2015 IMPLEMENTED ON: OCTOBER 01, 2015 Issued by: Ministry of Industry and Information Technology of PRC Annex: Numbers, standard names and initial implementation dates of 17 automotive industry standards S/N Standard number Standard name Standard number being substituted Initial implementation date (YYYY-MM-DD) 287 QC/T 991-2015 Passenger cars - Light alloy wheels - 90° impact test procedure 2015-10-01 288 QC/T 717-2015 Road vehicle – Wheels - Requirements and Measuring methods of radial and lateral run- out QC/T 717-2004 ISO 16833:2006, MOD 2015-10-01 289 QC/T 52-2015 Refuse collection vehicle QC/T 52-2000 2015-10-01 290 QC/T 652-2015 Suction-type sewer scavenger QC/T 652-2000 2015-10-01 291 QC/T 992-2015 Municipal emergency service vehicle 2015-10-01 292 QC/T 993-2015 Explosive transport vehicle 2015-10-01 293 QC/T 994-2015 Demountable tanker carrier 2015-10-01 294 QC/T 995-2015 Hydrostatic drive modular transporter 2015-10-01 295 QC/T 764-2015 Road vehicles - Hydraulic braking system - Simple flare pipes, tube tapped holes male fittings and hose end fittings QC/T 764-2006 2015-10-01 296 QC/T 239-2015 Specifications and bench test methods for commercial vehicle service brake QC/T 239-1997 QC/T 479-1999 2015-10-01 297 QC/T 996-2015 Specifications and bench test methods of automobile air dryer 2015-10-01 298 QC/T 997-2015 Passenger car full load overall frame body structure requirements 2015-10-01 299 QC/T 998-2015 The Technical Specification of 2015-10-01

Table of Contents

Announcement ... 2 Foreword ... 7 1 Scope ... 9 2 Normative references ... 9 3 Technical requirements ... 9

Foreword

This standard was prepared in accordance with the rules given in GB/T 1.1 - 2009 “Directives for standardization - Part 1: Structure and drafting of standards”. This standard replaces QC/T 764-2006 “Motor vehicles - Hydraulic braking systems - Pipes tapped holes male fittings and hose end fittings”. As compared with QC/T 764-2006, the main technical changes are as follows: - MODIFY the basic dimensions, limit deviations and rupture pressures of some pipes (see Table 1; Table 1 of the 2006 version); - MODIFY the yield strength of the metal pipe material from 200 MPa to 180 MPa (see Table 2; Table 3 of the 2006 version); - For the salt spray test standard, USE GB/T 10125-2012 to replace GB 2423.17 (see 3.1.3 and 3.4.2; 3.4 of the 2006 version); - MODIFY the surface treatment requirements for metal pipes and threaded joints (see 3.1.3 and 3.4.2; 3.4 and 5.2 of the 2006 version); - MODIFY the tolerance of D3 (see Table 3; Table 2 of the 2006 version); - ADD two new types of tapped hole openings (see Figure 2b and Figure 3); - MODIFY the tolerance of D7 and the dimensions of L1; ADD the dimensions of D10; DELETE the dimensions of L7 (see Table 4; Table 4 of the 2006 version); - MODIFY the dimensions of the opening of wrench for tapped fittings (see Table 5; Table 5 of the 2006 version); - MODIFY the minimum rupture torque of the M10 × 1 and M12 × 1 tapped fittings (see Table 6; Table 6 of the 2006 version). This standard was drafted by the redrafting method and with reference to ISO 4038:1996 “Road vehicles - Hydraulic braking system - Simple flare pipes, tube tapped holes, male fittings and hose end fittings”. The degree of conformity with ISO 4038 is not equivalent. Please note that this standard may involve patents. The issuing organization of this standard does not assume responsibility for identifying these patents. This standard was proposed by and shall be under the jurisdiction of the National Automotive Standardization Technical Committee (SAC/TC 114). Road vehicles - Hydraulic braking system - Simple flare pipes, tube tapped holes, male fittings and hose end fittings

1 Scope

This standard specifies the basic dimensions, performance, material requirements for simple flare pipes (hereinafter referred to as “metal pipes”), tube tapped holes, male fittings and hose end fittings for hydraulic braking system of road vehicles. This standard applies to road vehicles which are equipped with hydraulic braking systems.

2 Normative references

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this standard. GB/T 10125-2012 Corrosion tests in artificial atmospheres - Salt spray tests YB/T 4164 Double wall copper-brazed steel tubing

3 Technical requirements

3.1 Metal pipe 3.1.1 Basic requirements. The basic dimensions, rupture pressure, average linear density of metal pipes shall comply with the requirements of Table 1. It may apply plating to the outer surface of the metal pipe, but it shall meet the requirements for the use of inner and outer tube fittings and hose end fittings as specified in this standard. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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