YB/T 5059-2013 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| YB/T 5059-2013 | English | 190 |
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Cold-roll low carbon steel strips
| Valid |
| YB/T 5059-2005 | English | 279 |
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Cold-rolled low carbon steel strips
| Obsolete |
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YB/T 5059-2013: Cold-roll low carbon steel strips---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/YBT5059-2013
YB
FERROUS METALLURGY INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.50
H 46
Replacing YB/T 5059-2005
Cold-roll low carbon steel strips
ISSUED ON: APRIL 25, 2013
IMPLEMENTED ON: SEPTEMBER 01, 2013
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Order content ... 7
4 Classification and code ... 7
5 Dimension, form, weight, allowable deviation ... 8
6 Technical requirements ... 9
7 Test method ... 10
8 Inspection rules ... 11
9 Packaging, marking, quality certificate of steel strip ... 11
10 Numerical rounding off ... 11
Appendix A (Informative) Cupping test ... 12
Cold-roll low carbon steel strips
1 Scope
This standard specifies the classification and code, size, shape, technical
requirements, test methods, inspection rules, packaging, markings, product
quality certificates of cold-roll low carbon steel strips.
This standard applies to the cold-roll low carbon steel strips, which have a
rolling width of less than 600 mm AND thickness of not more than 3 mm, AND
used to manufacture stamped parts, steel pipes and other metal products
(hereinafter referred to as steel strips).
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) is applicable to this standard.
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.3 Methods for chemical analysis of iron, steel and alloy - The
diantipyryl methane phosphomolybdate gravimetric method for the
determination of phosphorus content
GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total
silicon content - Reduced molybdosilicate spectrophotometric method
GB/T 223.9 Iron steel and alloy - Determination of aluminium content -
Chrome azurol S photometric method
GB/T 223.11 Iron, steel and alloy - Determination of chromium content -
Visual titration or potentiometric titration method
GB/T 223.14 Methods for chemical analysis of iron, steel and alloy - The N-
Benzoy-N-Phenylhydroxylamine extraction photometric method for the
determination of vanadium content
GB/T 223.16 Methods for chemical analysis of iron, steel and alloy - The
chromotropic acid photometric method for the determination of titanium
content
GB/T 223.68 Methods for chemical analysis of iron steel and alloy - The
combustion potassium iodate volumetric method for the determination of
sulfur content
GB/T 223.69 Iron, steel and alloy - Determination of carbon contents - Gas-
volumetric method after combustion in the pipe furnace
GB/T 223.71 Methods for chemical analysis of iron, steel and alloy - The
gravimetric method after combustion in the pipe furnace for the
determination of carbon content
GB/T 223.72 Iron, steel and alloy - Determination of sulfur content -
Gravimetric method
GB/T 223.74 Methods for chemical analysis of iron, steel and alloy - The
combustion gravimetric/gas-volumetric method for the determination of
combined carbon content
GB/T 223.75 Iron steel and alloy - Determination of boron content - Methanol
distillation-curcumin photometric method
GB/T 223.76 Methods for chemical analysis of iron, steel and alloy - The
flame atomic absorption spectrometric method for the determination of
vanadium content
GB/T 223.79 Iron and steel - Determination of multi-element contents - X-
ray fluorescence spectrometry (Routine method)
GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at
room temperature
GB/T 247 General rule of package mark and certification for steel plates
(sheets) and strips
GB/T 699 Quality carbon structural steels
GB/T 2523 Measuring method of surface roughness and peak count for cold-
rolled metal sheet (strip)
GB/T 4156 Metallic materials - Sheet and strip - Erichsen cupping test
GB/T 4336 Standard test method for spark discharge atomic emission
spectrometric analysis of carbon and low-alloy steel (Routine method)
GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1: Test method
GB/T 6394 Metal - Methods for estimating the average grain size
Edge trimmed: EC
Edge untrimmed: EM
4.2 According to dimensional accuracy
Ordinary thickness accuracy: PT•A
Higher thickness accuracy: PT•B
Ordinary width accuracy: PW•A
Higher width accuracy: PW•B
4.3 According to the surface grade
Relatively high grade: FB
High grade: FC
Ultra-high grade: FD
4.4 According to the surface state
Pitted surface: D
Bright surface: B
4.5 According to the delivery state
Extra soft steel strip: S2
Soft steel strip: S
Semi-soft steel strip: S1/2
Low cold hard steel strip: H1/4
Cold steel strip: H
5 Dimension, form, weight, allowable deviation
The dimension, form, allowable deviation of the steel strip shall comply with the
corresponding requirements of GB/T 15391. The steel strip shall be delivered,
according to the actual weight.
take the specimen, which has a width equal to the width of steel strip. Under
such conditions, it is exempted from the determination of elongation at break.
8 Inspection rules
8.1 Steel strips shall be accepted in batches. Each batch of steel strips shall
consist of steel strips of the same heat number, same dimension, same state,
same category, which is classified according to Chapter 4 of this standard.
8.2 For each test, take one specimen from each of the inner end and the outer
end of each coil of steel strip, OR take one specimen from each of the two steel
strips, which are taken from each selected bundle.
8.3 The re-inspection and judgment of the steel strip shall be carried out, in
accordance with the provisions of GB/T 17505.
8.4 Take out 5% steel coils/bundles from each batch, but not less than 4 coils
(bundles), to check for unevenness and sickle bend. If there is one coil
unqualified, this batch of steel strips shall be checked coil/bundle by coil/bundle;
only the qualified coil/bundle is accepted.
9 Packaging, marking, quality certificate of steel strip
The packaging, marking, quality certificate of the steel strip shall be
implemented, in accordance with GB/T 247.
10 Numerical rounding off
The numerical rounding of the inspection results of steel strip shall be in
accordance with the provisions of YB/T 081.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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