Gb 146 2 2020 Translated English Of Chinese Standard Gb 146 2 2020 Gb146 2 2020

This Part of GB 146 specifies the basic structure gauge, tunnel structure gauge, bridge structure gauge and bridge and tunnel structure gauge of 1 435 mm standard gauge railway tracks. This Part applies to the design, construction, operation and maintenance of the standard gauge railway tracks.

This Part of GB 146 specifies the rolling stock gauge of 1 435 mm standard gauge railways. This Part applies to standard gauge rolling stock.

This document defines the degree of consistency between the national standardizing documents and the corresponding ISO/IEC standardizing documents 1. It establishes the general principles and requirements for drafting national standardizing documents based on ISO/IEC standardizing documents. It specifies the drafting steps, relevant elements and rules for the preparation of appendices. The document is suitable for drafting national standardizing documents based on ISO/IEC standardizing documents. When drafted on the basis of standardizing documents published by other organizations, they are used by reference in accordance with the copyright and adoption policies of the corresponding organizations.

This Part of GB/T 24242 specifies the designation expression methods, dimensions, shapes, weights and allowable deviations, order content, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of general purpose wire rod in non-alloy steel wire rod for conversion to wire.

This Part of GB/T 39415 specifies the method of specifications for characteristics in ordering documents of sacks made from thermoplastic flexible film. This Part is applicable to the sacks made from thermoplastic flexible film specified in GB/T 17858.2. It may refer to this Part when formulating standards for various paper sacks.

This gauge applies to newly-made and transformed railway steam, electricity, diesel locomotives, and all kinds of vehicles for 1435 mm standard gauge railways.

This Part of GB/T 2673 specifies the type dimensions, technical conditions and markings of hexalobular socket high countersunk head screws, as well as gauge size that controls the height of the head. This Part is applicable to hexalobular socket high countersunk head screws with the thread specification of M3 ~ M10, the performance grade of 4.8, 8.8 and 10.9, and the product grade of Grade-A.

This Part of GB/T 36805 specifies a method for testing the tensile properties of plastic materials over a wide range of strain rates using a high-speed tensile tester. This Part applies to tensile tests with a tensile speed above 10mm/s.