GB/T 8164-1993 PDF English
US$165.00 · In stock · Download in 9 secondsGB/T 8164-1993: Steel strips for welded steel pipe Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Obsolete
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 8164-1993 | English | 165 |
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Steel strips for welded steel pipe
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GB/T 8164-1993: Steel strips for welded steel pipe---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/GBT8164-1993
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
Replacing GB/T 8164-87
Steel stripes for welded steel pipe
Issued on. FEBRUARY 17, 1993
Implemented on. OCTOBER 1, 1993
Issued by. State Technical Supervision Bureau
Table of Contents
1 Subject contents and applicable scope... 3
2 Normative references... 3
3 Classification and code... 4
4 Size, shape and weight... 5
5 Technical requirements... 7
6 Test methods... 8
7 Acceptance rules... 9
8 Package, marks and quality certificate... 9
Additional information... 9
Steel stripes for welded steel pipe
1 Subject contents and applicable scope
This Standard specifies the classification, size, shape and weight, technical
requirements, test methods, inspection rules, packaging marks of steel stripes
for welded steel pipe.
This Standard is applicable to steel stripes for common straight seam welded
steel pipe, including hot-rolled and cold-rolled strips of which the width is less
than 600 mm, hot-rolled and cold-rolled strips of which the width is less than
600 mm after it is longitudinally cut from that of which the width is greater than
and equals to 600 mm.
2 Normative references
GB 222 Method of sampling steel for determination of chemical composition
and permissible variations for product analysis
GB 223 Methods for chemical analysis of iron, steel and alloy
GB 228 Metallic materials - Tensile testing at ambient temperature
GB 232 Metallic Materials - Bend Test
GB 247 General provisions on acceptance, package, marks and quality
certificate of steel sheets and strips
GB 699 Technical conditions of quality carbon structural steels
GB 700 Carbon structural steel
GB 708 Dimension, Shape, Weight, and Tolerance for Cold Rolled Steel
Sheets and Strips
GB 709 Dimension, Shape, Weight and Tolerances for Hot Rolled Steel
Sheets and Strips
3 Classification and code
3.1 Classified by delivery state.
Hot-rolled steel strips...RJ
Cold-rolled steel strips...LJ
3.2 Classified by edge state.
Trimming strips...Q
4 Size, shape and weight
4.1 Size and tolerances of steel strips
4.1.1 Hot-rolled steel strips
4.1.2 Cold-rolled steel strips
4.1.2.1 Thickness tolerance of steel strips of which the width is less than 600
mm shall comply with the provisions in Table 3.
4.1.3 For steel strips of which the length is not less than 50 m, the allowed
delivery length shall be 30~50 m short foot; however, its amount shall not
exceed 5% of the total weight of a batch delivery.
4.2 Strip camber
Hot-rolled steel strip is not greater than 3 mm per meter.
4.3 Steel strips shall be delivered according to actual weight. The weight of
each roll shall not be greater than 2 t; it may be greater than 2 t, after agreed
by both parties.
5 Technical requirements
5.1 Brands and chemical composition of steel strips for welded steel pipe shall
comply with the provisions on Steel No. 08, 10, 15, 20 in GB 699; Q195, Q215,
Q235 in GB 700; and GB 1591.
5.2 Mechanical performance of steel strips shall comply with the provisions in
Table 4.
5.3 Cracks, scarring, bubbles, inclusions, transverse scratches and other
defects on steel strip surface shall be cleared.
5.4 Steel strips must not have any delamination. Broken edge and significant
wave edge that shall affect welded pipe quality are not allowed, It may have
chisel-shaped notches, cracks, burrs, imprints and other defects. Its depth or
height at one side must not be greater than width tolerance.
5.5 Steel strip head and tail shall be cut neat. Strips of uncut head and tail shall
be delivered agreed by both parties.
6 Test methods
6.1 The sample number, sampling method and test method of each batch of
steel strips shall comply with the provisions in Table 5.
6.2 The samples for stretching and cold-forming tests shall be extracted in the
middle of steel strip width, and 1 m above from outer ring of steel strip coil to
end. When sample length is restricted by steel strip width, longitudinal sampling
shall be conducted on the position specified in provisions mentioned above.
6.3 Steel strip thickness shall be measured at the place less than 10 mm from
the edges.
7 Acceptance rules
7.1 Steel strips shall be inspected and accepted by technical supervision
department of the supplier.
7.2 Steel strips shall be accepted in batch. Each batch shall be consisted of
steel strips of same brand, same furnace number, same category, same size
(thickness and width) and same heat treatment furnace-number (referring to
after heat treatment).
7.3 Re-inspection of steel strips shall be in accordance with the provisions in
GB 247.
8 Package, marks and quality certificate
The package, marks and quality certificate of steel strips shall comply with the
provisions in GB 247.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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