YB/T 5343-2015 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| YB/T 5343-2015 | English | 150 |
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Steel wire for ropes
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| YB/T 5343-2009 | English | 559 |
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Steel wire for ropes
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| YB/T 5343-2006 | English | 319 |
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Wire for steel wire ropes use
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YB/T 5343-2015: Steel wire for ropes---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/YBT5343-2015
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.
3.2 Classification by use of steel wires. important use and general use.
4 Dimension, shape and tolerance
4.1 Diameter
4.1.1 Nominal diameter
It means the nominal diameter in millimeters, which is used for the inspection and
acceptance of all technical indicators.
4.1.4 Ellipticity
Ellipticity refers to the difference between the maximum and minimum diameter of the
same cross section of the steel wire, which shall not be more than half of the tolerance
of the nominal diameter of the steel wire.
4.2 Shape
Steel wire coils shall be regular, when the coil is opened, the wire shall not be
scattered, twisted or “∞” shaped. Spool rolls shall be flat.
5 Technical requirements
5.1 Raw material
Raw materials shall be steel wire rods conforming to provisions of GB/T 4354, the
steel grades shall be selected by manufacturers. Other steel grades can be selected
according to the need.
5.2 Tensile strength
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;
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.
5.6.2 Coating firmness
When steel wire is at a uniform rotate speed, the coating shall not crack by tightly
winding the mandrel six rings or shall not be wiped off by bare hand. In the winding
test, the ratio of the mandrel and the wire diameter for steel wires with different
coating levels is shown in Table 10.
6 Inspection and test
6.1 Inspection
6.1.1 Inspection item, method and quantity shall conform to the provisions of Table 11.
6.2 Test
Test item, test method and sampling position shall be in accordance with the
provisions of Table 12.
6.3 Sampling quantity
6.3.1 The quantity of samples taken and the determination rules shall conform to the
provisions of Table 13.
6.3.2 If the number of samples tested unqualified is more than the allowable values in
Table 13, then all production units shall be sampled to test the unqualified items, while
the qualified products can be delivered.
6.3.3 The products unqualified in the initial test shall not be delivered.
7 Packaging, marking and quality certificates
7.1 Appropriate steel wire packaging shall be selected by the supplier in accordance
with GB/T 2103; other packaging modes can also be used through consultation
between the two parties.
Annex A
(Normative)
Definition of Terms for Sampling and Acceptance
A.1 Batch
A certain quantity of steel wires of the same nominal diameter, the same level, the
same submitted inspection status and the same manufacturing condition.
A.2 Unit, production unit
A.4 Number of each batch of steel wires
The number of each batch of steel wire is calculated by the following formula N =
m/(10-3 X m1), where m refers to batch weight in ton, m1 refers to weight of basic unit
in kg. According to the routine we can know that m1 = 100d, where d refers to nominal
diameter of steel wire. From this it follows that.
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.
3.2 Classification by use of steel wires. important use and general use.
4 Dimension, shape and tolerance
4.1 Diameter
4.1.1 Nominal diameter
It means the nominal diameter in millimeters, which is used for the inspection and
acceptance of all technical indicators.
4.1.4 Ellipticity
Ellipticity refers to the difference between the maximum and minimum diameter of the
same cross section of the steel wire, which shall not be more than half of the tolerance
of the nominal diameter of the steel wire.
4.2 Shape
Steel wire coils shall be regular, when the coil is opened, the wire shall not be
scattered, twisted or “∞” shaped. Spool rolls shall be flat.
5 Technical requirements
5.1 Raw material
Raw materials shall be steel wire rods conforming to provisions of GB/T 4354, the
steel grades shall be selected by manufacturers. Other steel grades can be selected
according to the need.
5.2 Tensile strength
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;
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.
5.6.2 Coating firmness
When steel wire is at a uniform rotate speed, the coating shall not crack by tightly
winding the mandrel six rings or shall not be wiped off by bare hand. In the winding
test, the ratio of the mandrel and the wire diameter for steel wires with different
coating levels is shown in Table 10.
6 Inspection and test
6.1 Inspection
6.1.1 Inspection item, method and quantity shall conform to the provisions of Table 11.
6.2 Test
Test item, test method and sampling position shall be in accordance with the
provisions of Table 12.
6.3 Sampling quantity
6.3.1 The quantity of samples taken and the determination rules shall conform to the
provisions of Table 13.
6.3.2 If the number of samples tested unqualified is more than the allowable values in
Table 13, then all production units shall be sampled to test the unqualified items, while
the qualified products can be delivered.
6.3.3 The products unqualified in the initial test shall not be delivered.
7 Packaging, marking and quality certificates
7.1 Appropriate steel wire packaging shall be selected by the supplier in accordance
with GB/T 2103; other packaging modes can also be used through consultation
between the two parties.
Annex A
(Normative)
Definition of Terms for Sampling and Acceptance
A.1 Batch
A certain quantity of steel wires of the same nominal diameter, the same level, the
same submitted inspection status and the same manufacturing condition.
A.2 Unit, production unit
A.4 Number of each batch of steel wires
The number of each batch of steel wire is calculated by the following formula N =
m/(10-3 X m1), where m refers to batch weight in ton, m1 refers to weight of basic unit
in kg. According to the routine we can know that m1 = 100d, where d refers to nominal
diameter of steel wire. From this it follows that.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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