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YB/T 5343-2015 PDF in English


YB/T 5343-2015 (YB/T5343-2015, YBT 5343-2015, YBT5343-2015)
Standard IDContents [version]USDSTEP2[PDF] delivered inName of Chinese StandardStatus
YB/T 5343-2015English150 Add to Cart 0-9 seconds. Auto-delivery. Steel wire for ropes Valid
YB/T 5343-2009English559 Add to Cart 4 days Steel wire for ropes Obsolete
YB/T 5343-2006English319 Add to Cart 3 days Wire for steel wire ropes use Obsolete
Standards related to (historical): YB/T 5343-2015

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YB/T 5343-2015: PDF in English (YBT 5343-2015)

YB/T 5343-2015 YB ICS 77.140.65 H 49 FERROUS METALLURGY INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA Replacing YB/T 5343-2009 Steel wire for ropes ISSUED ON. APRIL 30, 2015 IMPLEMENTED ON. OCTOBER 01, 2015 Issued by. Ministry of Industry and Information Technology of the People's Republic of China Table of Contents Foreword ... 3  1 Scope ... 5  2 Normative reference ... 5  3 Classification ... 5  4 Dimension, shape and tolerance ... 6  5 Technical requirements... 6  6 Inspection and test ... 16  7 Packaging, marking and quality certificates ... 17  Annex A (Normative) Definition of Terms for Sampling and Acceptance ... 19  Foreword This Standard is drafted according to the rules provided in GB/T 1.1-2009. This Standard replaces YB/T 5343-2009 "Steel Wire for Ropes"; compared with YB/T 5343-2009, the main changes are as follows. - The standard name "Steel Wire for Ropes" is revised as "Steel Wire for Ropes". - It is specified that this Standard is applicable to smooth and coated steel wires with circular cross sections for all kinds of steel wire ropes (excluding steel wire ropes for elevator). - The classification is according to the surface state, use, nominal diameter and nominal tensile strength of the steel wire. - The nominal diameter range of the steel wire is expanded to 0.08mm≤d≤6.00mm from the original 0.15mm≤d< 4.4mm. - 0.08mm≤d< 0.20mm and tolerance ±0.005mm are added in the nominal diameter column of Table 1 Diameter Tolerance; the original 0.15mm≤d< 0.30mm and 0.30mm≤d< 0.60mm are modified to be 0.20mm≤d< 0.40mm and 0.40mm≤d< 0.60mm; d< 0.40mm Level A coating tolerance is deleted. - The nominal tensile strength given by use in Table 2 is modified to be by surface state, nominal diameter of the steel wire and use purpose (important use in Table 2, general use in Table 3). For important use smooth and Level B’s nominal tensile strength < 4.0mm, 2160MPa is added; the nominal tensile strength of 1960MPa is increased from ≤4.4mm to < 5.4mm. For the nominal tensile strength < 0.2mm of general use smooth and Level B coated steel wire. 2000MPa, 2500MPa, 3000MPa, 3500MPa are added. 1180MPa of nominal tensile strength for general use is added. The nominal tensile strength corresponds to the nominal diameter of the steel wire; different steel wire diameters correspond to different nominal tensile strengths. - For steel wires with diameter less than 0.2mm, the tolerance of the nominal tensile strength shall be negotiated by both parties. - The minimum number of torsion and the minimum number of repeated bending for the expanded steel wire diameter and the increased nominal tensile strength in Table 5 ~ Table 8 are given. The number of repeated bending of the steel wire with diameter greater than 5.0mm shall be negotiated by both parties. - 5.6 “Other requirements” is canceled, the contents of this clause are revised to "Note. The number of repeated bending and the number of torsion of other nominal tensile strengths shall be negotiated by both parties" and are included in the corresponding Table 5 ~ Table 8. - 5.7 "Quality of zinc coating" is revised to be "Coating quality". - 6 "Test method" is revised to be "Inspection and test". - 6.1 Test items, methods and sampling positions are divided into 6.1 Inspection and 6.2 Test; the test items are divided into 3 items - diameter, ellipticity, shape; the surface quality is included into Table 11, and the inspection methods and quantity are given. 6.2 Test items, methods and sampling positions are included into Table 12. - 6.3 Sampling quantity is listed in a single row. It is stipulated that the number of samples shall be taken according to the number of each batch of steel wires; the sampling quantity and determination rules are given in Table 13. The calculation method of the number of each batch of steel wires is given in Annex A. This Standard was proposed by China Iron and Steel Industry Association. This Standard shall be under the jurisdiction of National Steel Standardization Technical Committee (SAC/TC183). Drafting organizations of this Standard. Ansteel Wire Rope Co., Ltd., Guizhou Wire Rope Incorporated Company, Hubei Fuxing Science and Technology Co., Ltd., China Metallurgical Information and Standardization Institute. Main drafters of this Standard. Xing Yongsheng, Zhao Xianhai, Zhang Deying, Ren Cuiying, Wang Xiaogang, Xia Nan, Lu Ping, Li Longbiao, Fang Guosheng, Li Guangyu, Wang Lingjun. The previous versions replaced by this Standard are as follows. - YB/T 5343-2006, YB/T 5343-2009. Steel Wire for Ropes 1 Scope This Standard specifies the classification, dimension, shape, and tolerance, technical requirements, inspection and test methods, packaging, marking and quality certificate of steel wires for ropes. This Standard is applicable to the smooth and coated steel wires for steel wire ropes (excluding steel wire ropes for elevator). 2 Normative reference The following documents are essential for the application of this document. For all dated reference documents, only the dated versions are applicable to this document. While for all undated reference documents, the latest versions (including all modifications) are applicable to this document. 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 mass per unit area of galvanized coatings steel products GB/T 2103 General requirements for acceptance, packing, marking and quality certification of steel wire GB/T 2976 Metallic materials - Wire - Wrapping test GB/T 4354 Hot-rolled quality carbon steel wire rods YB/T 081 Rule for rounding off of numerical values and judgement of testing values for technical standards of metallurgy 3 Classification 3.1 Classification by surface state of steel wires. smooth and coated. Coated steel wire is divided into three levels. Level B, Level AB and Level A. 3500 — — 5.2.2 Tolerance The nominal tensile strength specified in Table 2 and Table 3 is the lower limit of the tensile strength of steel wire, the upper limit is equal to the lower limit plus the tolerance in Table 4. Table 4 Tolerance of nominal tensile strength Nominal diameter d / mm Tolerance of nominal tensile strength / MPa 0.08≤d< 0.20 * 0.20≤d< 0.50 390 0.50≤d< 1.00 350 1.00≤d< 1.50 320 1.50≤d< 2.00 290 2.00≤d< 3.50 260 3.50≤d≤6.00 250 Note. * The tolerance of the nominal tensile strength shall be negotiated by both parties. 5.3 Torsion Steel wire with a diameter of not less than 0.50mm shall be tested for torsion, and the minimum number of torsion of the steel wire for important use shall conform to the provisions of Table 5; the minimum number of torsion of the steel wire for general use shall conform to the provisions of Table 6. 5.4 Repeated bending Steel wire with a diameter of 0.50mm~5.00mm shall be tested for repeated bending. The minimum number of repeated bending of the steel wire for important use shall conform to the provisions of Table 7; and the minimum number of repeated bending of the steel wire for general use shall conform to the provisions of Table 8. The number of repeated bending of the steel wire with a diameter greater than 5.00mm shall be negotiated by both parties. 5.5 Knot tension Steel wire with a diameter of less than 0.50mm shall be tested for knot tension instead of torsion and repeated bending test, and the knot tensile value shall be greater than 50% of the corresponding tension value of nominal tensile strength. Table 5 Minimum number of torsion of steel wire for important use Nominal diameter d Test gaug e jaw Smooth and Level B Level AB Level A Nominal tensile strength level MPa Table 6 Minimum number of torsion of steel wire for general use Nominal diameter of steel wire Test gauge jaw Smooth and Level B Level AB Level A Nominal tensile strength level / MPa mm 1180 1370 1770 1870 1960 1770 1870 1960 0.50≤d< 1.00 34 30 28 25 22 30 27 25 22 22 23 21 19 17 17 1.00≤d< 1.30 33 29 26 23 20 29 26 24 21 21 21 19 17 15 15 1.30≤d< 1.80 32 28 25 22 19 28 25 23 20 20 20 18 16 14 14 1.80≤d< 2.30 31 27 24 21 18 27 24 22 19 19 18 16 14 12 12 2.30≤d< 3.00 29 26 22 19 16 26 23 21 18 18 16 14 11 9 9 3.00≤d< 3.50 28 25 21 18 15 25 22 20 17 17 14 12 9 7 7 3.50≤d< 3.70 26 23 19 16 13 23 20 18 15 15 12 10 7 6 6 3.70≤d< 4.00 25 22 18 14 12 21 19 17 14 14 11 9 6 5 5 4.00≤d< 4.20 100d 23 21 17 13 11 20 18 16 13 13 9 7 6 4 4 4.20≤d< 4.40 21 19 16 11 10 18 16 14 11 11 9 7 5 3 — 4.40≤d< 4.60 20 18 14 10 — 17 15 12 9 — 7 6 5 3 — 4.60≤d< 4.80 18 16 12 8 — 15 14 10 6 — 7 6 5 3 — 4.80≤d< 5.20 16 14 11 7 — 13 12 9 5 — 7 6 5 2 — 5.20≤d< 5.40 14 12 10 7 — 11 10 8 5 — 6 6 4 2 — 5.40≤d< 5.60 12 10 8 — — 9 8 6 — — 5 4 3 — — 5.60≤d< 5.80 10 8 6 — — 7... ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.