GB/T 2101-2017_English: PDF (GB/T2101-2017)
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General requirement of acceptance, packaging, marking and certification for section steel
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General requirements of acceptance, packaging, marking, and certification for section steel
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| Standard ID | GB/T 2101-2017 (GB/T2101-2017) | | Description (Translated English) | General requirement of acceptance, packaging, marking and certification for section steel | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H44 | | Classification of International Standard | 77.140.70 | | Word Count Estimation | 9,982 | | Date of Issue | 2017-07-31 | | Date of Implementation | 2018-04-01 | | Older Standard (superseded by this standard) | GB/T 2101-2008 | | Quoted Standard | GB/T 15574 | | Drafting Organization | Hebei Iron and Steel Co., Ltd. Tangshan Branch, Metallurgical Industry Information Standards Institute, Shougang Corporation, Anshan Baode Iron and Steel Co., Ltd., Sichuan Desheng Group Vanadium Titanium Co., Ltd., Hebei Jinxi Iron and Steel Group Co., Ltd. | | Administrative Organization | National Steel Standardization Technical Committee (SAC / TC 183) | | Proposing organization | China Iron and Steel Industry Association | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee | | Summary | This standard specifies the general requirements for terms and definitions, inspection rules, packaging, marking, storage, transport and quality certificates for steel (billets, steel bars, rebars and wire rods and other products). This standard applies to hot rolling, cold drawing (rolling), forging and heat treatment of steel. | | Standard ID | GB/T 2101-2008 (GB/T2101-2008) | | Description (Translated English) | General requirement of acceptance, packaging, marking, and certification for section steel | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H44 | | Classification of International Standard | 77.140.70 | | Word Count Estimation | 7,745 | | Date of Issue | 2008-05-13 | | Date of Implementation | 2008-11-01 | | Older Standard (superseded by this standard) | GB/T 2101-1989 | | Quoted Standard | GB/T 17505-1998 | | Drafting Organization | Tangshan Iron and Steel Co., Ltd. | | Administrative Organization | National Steel Standardization Technical Committee | | Regulation (derived from) | National Standard Approval Announcement 2008 No.8 (Total No.121) | | Proposing organization | China Iron and Steel Association | | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | | Summary | This standard specifies the beam acceptance, packaging, General technical requirements and certification mark. This standard applies to hot-rolled, cold-drawn, forging and heat treatment of steel. | | Standard ID | GB/T 2101-1989 (GB/T2101-1989) | | Description (Translated English) | General requirements of acceptance, packaging, marking, and certification for section steel | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H44 | | Classification of International Standard | 77.140.70 | | Word Count Estimation | 4,457 | | Date of Issue | 1989/3/31 | | Date of Implementation | 1990/1/1 | | Older Standard (superseded by this standard) | GB 2101-1980 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 8, 2008 (No. 121 overall) | | Proposing organization | Ministry of Metallurgical Industry Information Standards Research Institute | | Issuing agency(ies) | State Bureau of Technical Supervision |
GB/T 2101-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.70
H 44
Replacing GB/T 2101-2008
General Requirement of Acceptance, Packaging,
Marking and Certification for Section Steel
ISSUED ON. JULY 31, 2017
IMPLEMENTED ON. APRIL 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Application Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Inspection Rules ... 6
5 Packaging ... 8
6 Marking ... 12
7 Storage ... 12
8 Transportation ... 13
9 Quality Certification ... 13
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 2101-2008, General Requirement of Acceptance,
Packaging, Marking and Certification for Section Steel. Compared with GB/T 2101-
2008, the major changes of this Standard are as follows.
-- the terms are added;
-- the evaluation method for impact test results is added;
-- the inspection rules for section steel is modified;
-- the specifications for packaging are modified;
-- the packaging requirements for silver steel are deleted;
-- the specifications for marking are modified;
-- the specifications for storage and transportation are added;
-- the content specified for quality certification is modified.
This Standard was proposed by China Iron and Steel Industry Association.
This Standard shall be under the jurisdiction of National Technical Committee 183 on
Steels of Standardization Administration of China.
The drafting organizations of this Standard. HBIS Group TangSteel Company, China
Metallurgical Information and Standardization Institute, Shougang Group, Anshan
Baode Iron and Steel Co., Ltd., Sichuan Desheng Group Vanadium-Titanium Co., Ltd.,
Hebei Jinxi Iron and Steel Group Co., Ltd.
The main drafters of this Standard. Deng Cuiqing, Fan Lijuan, Wang Yujie, Xiong
Huabing, Wang Hongxin, Mei Jichang, Zhao Yichen, Liu Baoshi, Xu Feng, Luo
Qingming, Ye Gaoqi.
The previous editions of the standard replaced by this Standard are as follows.
-- GB/T 2101-1980, GB/T 2101-1989, GB/T 2101-2008.
General Requirement of Acceptance, Packaging,
Marking and Certification for Section Steel
1 Application Scope
This Standard specifies the terms and definitions, inspection rules and general
specifications for packaging, marking, storage, transportation and quality certification
of section steels (including billet, steel rod, reinforcing steel bar and steel wire rod).
This Standard applies to hot-rolled, cold-drawn (rolled), forged and heat-treated steels.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to This Standard.
GB/T 15574, Steel Products Classification
3 Terms and Definitions
For the purposes of this Standard, the following terms and definitions apply.
3.1
packaging
The activity of applying certain technical methods during the process of using materials
and auxiliaries in order to protect products, facilitate storage and transportation and
promote sales during the process of circulation.
3.2
label
The product of paper or other materials fixed on packages, on which the content is
marked including product name, furnace/batch number, designation, specification and
manufacturer.
3.3
tap
A movable label which is fixed to packages or products using iron wire, staple bolt,
hobnail and so on.
NOTE Normally made of the materials such as paper, rigid plastic and metal.
3.4
mark
The method or content which identifies the characteristics of steels.
NOTE The common methods include jet printing, stamping, roll stamping, printing, pasting
sign or affixing (hanging) label and tag.
3.5
strapping
The flexible materials which are used to strap section steels or packages.
NOTE The commonly-used flexible materials include steel strip, steel wire rod, iron wire and
so on.
3.6
hand protector
The materials which are placed between section steels or between section steel and
strapping materials to prevent section steels being damaged or strapping materials
being cut off.
NOTE The commonly-used materials include wood, metal, fibreboard, plastic and so on.
3.7
test unit
The number of pieces or tons of products which are accepted or rejected at a time
based on the tests on the sample products in accordance with the requirements of
product standards and contracts.
3.8
sample product
Part of products which are taken from the test unit during inspection and test (e.g. a
stick of section steel).
3.9
sample
The material which is cut off from a sample product in sufficient quantity in order to
prepare one or more test pieces.
NOTE Under some circumstances, samples are sample products.
3.10
rough specimen
The samples which are mechanically processed and heat treated afterwards where
appropriate in order to prepare test pieces.
3.11
test piece
The rough specimens which have satisfactory dimensions and meet the test
requirements, with or without mechanical processing.
NOTE Under some circumstances, test pieces may be samples or rough specimens.
3.12
product analysis
The analysis of chemical composition which is carried out for the products delivered.
3.13
sequential test
A group of or a series of tests (e.g. impact tests) in which the mean value or single
value is obtained to determined whether the products are as specified in product
standards and/or contracts.
4 Inspection Rules
4.1 Inspection and acceptance
4.1.1 The quality of section steel shall be inspected and accepted by the quality
supervision department of the supplier.
4.1.2 The section steel delivered shall comply with corresponding product standards;
and the purchaser may carry out inspection in accordance with the corresponding
product standards.
4.1.3 The purchaser shall inspect the length, weight, number per bundle and other
content of the bundles of section steels before unstrapping in accordance with the
mark of each bundle; and they shall not be unstrapped in case of any dispute in the
above-mentioned content.
4.2 Batching rules
Section steel shall be inspected and accepted by batch; and the batching rules shall
be as specified in the corresponding product standards.
4.3 Inspection items, sampling quantity, sampling locations and test methods
The inspection items, sampling quantity, sampling locations and test methods of
section steels shall be as specified in the corresponding product standards.
4.4
Where chemical composition inspection is specified in the product standards, the
corresponding product standards shall be implemented; and where chemical
composition inspection is not specified in the product standards, the product analysis
for inspection shall be carried out.
4.5 Criteria of impact test results
4.5.1 Where it is not specified in the product standards, a group of 3 test pieces are
cut off from the sample products; their mean value shall meet the requirements for the
specified values, allowing one single value of one sample lower than the specified
values, but not lower than 70% of the specified values.
4.5.2 If the requirements of 4.5.1 are not met, but the test pieces lower than the
specified values are not more than 2 and the test pieces lower than 70% of the
specified values are not more than 1, the manufacturer may take another group of 3
test pieces from the same sample products; and after the test of the second group of
test pieces, the test unit is determined to be acceptable if the following criteria are met
at the same time.
a) the mean value of the 6 test pieces is not lower than the specified values;
b) the test pieces lower than the specified values are not more than 2;
c) the test pieces lower than 70% of the specified values are not more than 1.
If the above-mentioned criteria are not met, then the test unit is determined to be
unacceptable.
4.6 Rules for retest and determination
4.6.1 Sequential test (such as impact test)
In accordance with the criteria of impact test results specified in 4.5, when the results
are unacceptable, the sample products of the unacceptable test results shall be picked
out and scrapped, two samples products are taken from the rest of the test unit and a
new group of three test pieces are taken from each sample product. All the test results
of the two groups of test pieces shall be acceptable; or else, the test unit shall be
rejected.
4.6.2 Non-sequential test (such as tensile test and bending test)
4.6.2.1 If the unacceptable resul...
......
GB/T 2101-2008
GB
ICS 77.140.70
H 44
Replacing GB/T 2101-1989
General Requirement of Acceptance, Packaging,
Marking, and Certification for Section Steel
ISSUED ON. MAY 13, 2008
IMPLEMENTED ON. NOVEMBER 1, 2008
Jointly issued by. General Administration of Quality Supervision,
Inspection and Quarantine of the People's Republic
of China;
Standardization Administration of the People's
Republic of China (SAC).
Table of Contents
Foreword ... 3
1. Scope ... 4
2. Normative References ... 4
3. Inspection Rules ... 4
4. Packaging ... 6
5. Marking ... 8
6. Quality Certificate ... 9
Foreword
This Standard replaces GB/T 2101-1989 "General Requirements of Acceptance,
Packaging, Marking, and Certification for Section Steel".
Compared with GB/T 2101-1989, this Standard has the following major changes.
— Specify the schematic diagram for occlusion packaging;
— Modify the re-examination and decision rules.
This Standard was proposed by China Iron & Steel Association.
This Standard shall be under the jurisdiction of National Steel Standardization
Technical Committee.
Drafting organizations of this Standard. Tangshan Iron and Steel Company Limited,
China Metallurgical Industry Information Standards Research Institute, Shougang
Group Corporation, and Ahshan Baode Iron & Steel Co., Ltd.
Main drafting staffs of this Standard. Feng Chao, Li Zhiqing, Deng Cuiqing, Ren
Cuiying, Tang Mu, and Wang Hongxin.
Previous editions replaced by this Standard are.
GB/T 2101-1980, and GB/T 2101-1989.
General Requirement of Acceptance, Packaging,
Marking, and Certification for Section Steel
1. Scope
This standard specifies general specifications for acceptance, packaging, marking
and certification for section steel (steel bar and rod).
This Standard is applicable to hot rolling, cold drawing (rolling), forging and heat
treating section steel.
2. Normative References
The following standards contain provisions which, through reference in this text,
constitute provisions of this Standard. For dated reference, subsequent amendments
(excluding corrigendum) or revisions of these publications do not apply. However,
Parties to agreements based on this Standard are encouraged to investigate the
possibility of applying the most recent editions of the standards indicated below. For
undated references, the latest edition of the normative document referred to applies.
GB/T 17505-1998 Steel and Steel Products - General Technical Delivery
Requirements (GB/T 17505-1998, eqv ISO 404.1992)
3. Inspection Rules
3.1 Inspection and acceptance
3.1.1 The quality of section steel is subject to the inspection and acceptance made by
the supplier's quality supervision department.
3.1.2 The supplier must ensure that the delivery section steel complies with the
requirements of this Standard; the purchaser is entitled to conduct inspection and
acceptance according to the provisions of the corresponding standards.
3.1.3 The purchaser shall conduct inspection for the length, weight and per bundle
number of section steel according to markings of each bundle of section steel before
dismantling it; those with quality discrepancy shall not be dismantled.
3.2 Bundle-batch rules
The section steel shall be subject to the inspection and acceptance in bundle; while
the bundle-batch rules shall be in accordance with those specified in the
corresponding standards.
3.3 Sampling quantity and sampling location
Sampling quantity and sampling location for the test shall be in accordance with those
specified in the corresponding standards.
3.4 Re-examination and decision rules
3.4.1 If the failed results are obtained from the test, and when only a single value may
be provided (for example, tensile test and bending test), the following methods shall
be adopted.
a) When the test unit is a single product, the same type of double-quantity test shall
be made for the disqualified item; for double-quantity test, all items shall be
qualified; otherwise, the product shall be rejected;
b) When the test unit is not a single product, unless otherwise agreed, the supplier
may either pick out the sample products from the test unit, or not pick out.
1) If the sample product is not picked out from the test unit, double-quantity of
samples shall be taken from the same bundle of products for the
re-examination of those disqualified items. The re-examination results shall
all be qualified.
2) If the sample product is picked out from the test unit, another two sample
products shall be selected from the same test unit randomly; then, test
specimens shall be prepared from the two sample products respectively.
Repeat the same kind of test under the same condition as the first test; the
testing results shall all be qualified.
c) When the products delivered in rolls are disqualified during the re-examination
process, that bundle of product may be inspected one-by-one; the qualified
product is allowed to be delivered.
3.4.2 When the testing results obtained by sequential method are disqualified, such
as impact test, it shall be determined in accordance with the requirements of 8.3.4.3.3
of GB/T 17505-1998.
3.4.3 When white flake appears, re-examination is not allowed.
3.5 Others
For provisions "test results invalid", "rounding off of mechanical and chemical test
results", and "re-classification and rework", it may refer to 8.4, 8.5, and chapter 9 of
medium size section steel delivered by bundles may be not-marked one-by-one.
5.3 The section steel delivered by bundles (trays) shall be hung with at least two
labels for each bundle (tray); the label shall be marked with the purchaser's name (or
emblem mark), grade, furnace (batch) number, dimension (or model) and weight.
When the section steel is marked, it may not hang label.
5.4 The section steel painting shall be in accordance with those specified in the
related standards.
6. Quality Certificate
6.1 The section steel delivered by bundles shall be attached with quality certificate to
prove that the bundle of section steel meets the standard requirements and purchase
contract.
6.2 The handwriting for filling the quality certificate shall be legible, with clear
indication of the following content.
a) Supplier's name or trade mark;
b) Purchaser's name;
c) Delivery date;
d) Standard number;
e) Grade;
f) Furnace (batch) number, delivery state, processing function, weight, count or
pieces;
g) Variety name, dimension (model) and class;
h) Testing results specified in standard and contract;
i) Imprint of the supplier's quality supervision department.
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