GB 26722-2024 Steel wire ropes for ropeway
1 Scope
This document specifies the classification, ordering information, steel wire rope materials, technical requirements, inspection and test methods, acceptance, packaging, marking and quality certificate of steel wire ropes for ropeway.
This document is applicable to round strand steel wire ropes, compacts strand steel wire ropes, shaped strand steel wire ropes and sealing steel wire ropes for towing ropeways, ground cable cars, passenger and freight overhead ropeways, etc.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 238 Metallic materials - Wire - Reverse bend test
GB/T 239.1 Metallic materials - Wire - Part 1: Simple torsion test
GB/T 1839 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products
GB/T 2104 Steel wire ropes - Packing, marking and certificate - General requirements
GB/T 8358 Steel wire ropes - Determination of breaking force
GB/T 8706 Steel wire ropes - Vocabulary, designation and classification
GB/T 15030 Sisal main cores in steel wire ropes
GB/T 21965 Steel wire ropes - Vocabulary for acceptance and defect
GB/T 43357 Test methods for general property of steel wire ropes
NB/SH/T 0387-2023 Wire rope greases
YB/T 081 Rule for rounding off of numberical values and judgement of testing values for technical standards of metallurgy
YB/T 4452 Fibre cores for steel wire ropes
YB/T 4643 Shaped wire for ropes
YB/T 5343-2015 Steel wire for ropes
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 8706 and the following apply.
3.1
composite steel core (CSC)
a type of steel composite core, a rope core composed of a wire strand and a fiber or polymer core
4 Classification
Steel wire ropes for ropeway (hereinafter referred to as steel wire ropes) are classified into round strand steel wire ropes, compacted strand steel wire ropes, shaped strand steel wire ropes and sealing steel wire ropes according to the classification principle of GB/T 8706. The classification is shown in Table 1, and the mechanical properties are shown in Annex A.
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Ordering information
6 Steel wire rope materials
7 Technical requirements
8 Inspection and test method
9 Acceptance
10 Packaging, marking and quality certificate
Annex A (Normative) Table of mechanical properties of steel wire ropes
Annex B (Informative) Selection and storage of steel wire ropes
Annex C (Informative) Calculation of the nominal metal cross-sectional area of steel wire rope and the approximate diameter of outer wire
Annex D (Normative) Calculation of the reference weight and minimum breaking force of steel wire rope, and calculation of the total breaking force of sealing steel wire rope
Bibliography
