GB/T 17505-2016 PDF English
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Steel and steel products -- General technical delivery requirements
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| GB/T 17505-1998 | English | 70 |
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GB/T 17505-2016: PDF in English (GBT 17505-2016) GB/T 17505-2016
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.01
H 40
Replacing GB/T 17505-1998
Steel and steel products –
General technical delivery requirements
(ISO 404.2013, MOD)
ISSUED ON. FEBRUARY 24, 2016
IMPLEMENTED ON. JANUARY 1, 2017
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 6
4 Ordering information provided by user ... 9
5 Manufacturing process ... 10
6 Supply by intermediary ... 10
7 Requirements ... 11
8 Inspection and testing ... 13
9 Reclassification and repair ... 19
10 Marks ... 19
11 Objection ... 20
Annex A ... 22
Bibliography ... 24
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 17505-1998 Steel and Steel Products - General
Technical Delivery Requirements.
Compared with GB/T 17505-1998, the main technical changes are as follows.
- changed the name of standard to “Steel and steel products - General
technical delivery requirements”;
- moved “This Standard must be used together with other technical
standards; it cannot be used for ordering” from “Foreword” to “Scope” (see
NOTE in Clause 1 of this edition; Foreword of 1998 edition);
- deleted terms and definition, relevant requirements of continuous
inspection (see 3.3, 8.1.2 of 1998 edition);
- added terms and definitions for “manufacturer” and “intermediary”;
defined the respective rights and obligations (see 3.14, 3.15, 6.4 of this
edition);
- modified the definition of “inspection representative” as well as its relevant
rights and obligations (see 3.6, 8.3.1.3 of this edition; 3.5, 8.3.1.3 of 1998
edition);
- modified the definition of “cast analysis”; added relevant instructions and
general provisions on methods for chemical analysis (see 3.11, 7.2 of this
edition; 3.12, 7.2 of 1998 edition);
- modified the name of Clause 4 from “Ordering content” to “Ordering
information provided by user” (see Clause 4 of this edition);
- modified requirements for “intermediary” (see Clause 6 of this edition);
- specified requirements for “inspection documents” and “quality certificate”
(see 6.1, Clause 8 of this edition);
- supplemented with relevant surface quality inspection standards (see
NOTE in 7.4.1.2 of this edition; 7.4.1 of 1998 edition);
- added requirements for “welding repair” (see 7.4.4.1 of this edition; 7.4.4
of 1998 edition);
- added requirements for protection of “safety and health” (see 7.1 of this
edition; 7.1 of 1998 edition);
Steel and steel products –
General technical delivery requirements
1 Scope
This Standard specifies general technical delivery requirements for steel and
steel products contained in GB/T 15574 (excluding steel and powder metallurgy
products).
When the provisions of product’s standard or agreement in the contract are
inconsistent with the provisions of this Standard, the provisions of product’s
standard or agreement in the contract shall prevail.
NOTE This Standard must be used together with other technical standards; it cannot be
used for ordering.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 1467 Method for chemical analysis of metallurgy product - General
rules and regulations
GB/T 2975 Steel and Steel Products - Location and Preparation of Test
Pieces for Mechanical Testing (GB/T 2975-1998, eqv ISO 377.1997)
GB/T 8170-2008 Rules of rounding off for numerical values & expression
and judgement of limiting values
GB/T 13304.1 Steels classification - Part 1. Classification of according to
chemical composition (GB/T 13304.1-2008, ISO 4948-1.1982, MOD)
GB/T 13304.2 Steels Classification - Part 2. Classification of According to
Main Quality Classes and Main Property or Application (GB/T 13304.2-2008,
ISO 4948-2.1981, MOD)
GB/T 15574 Steel products classification and definitions (GB/T 15574-
2016, ISO 6929.2013, MOD)
b) representative entrusted by user;
c) inspection representative designated by the third party.
3.6 test unit
according to requirements of product standard or contract, taking the test
conducted for sample product as reference, the number or tons of once
accepted or rejected products
NOTE 1 See Figure 1.
NOTE 2 This term can be also called as “inspection lot” or “batch”.
3.7 sample product
during inspection, testing, partial products extracted from test unit (e.g. one
plate)
NOTE See Figure 1.
3.8 sample
in order to prepare one or few samples, cut a sufficient amount of material from
sample product
NOTE 1 See Figure 1.
NOTE 2 Under some circumstances, sample refers to sample product.
3.9 rough specimen
In order to prepare sample, sample after mechanical processing and heat
treatment under appropriate situation thereafter
NOTE 1 See Figure 1.
3.10 test piece
after mechanical processing or non-mechanical processing, test piece with
qualified size, which can meet test requirement state
NOTE 1 See Figure 1.
NOTE 2 Under some circumstances, test piece refers to sample or test piece.
3.11 cast (heat) analysis
d) tolerance of a) and c) characteristic values;
e) steel designation;
f) delivery status (heat treatment, surface treatment, etc.);
g) particular requirements for surface quality and internal quality (see 7.4);
h) required inspection document type or quality certificate, inspection and
testing type (only refer to the one when product standard does not
specify) (see Clause 8);
i) when necessary, it adopts GB/T 19001 quality management system;
j) packaging, marks, storage and transport;
k) any selection requirements proposed by product standard or any
additional terms specified other than product standard.
4.3 The content in 4.2 shall also specify to use any method of the following
ones.
a) adopt the standard of one or several countries (or industries);
b) when there is no standard, the property values and terms specified in
the contract;
c) if the reference standards in the contract are undated, it shall use the
effective version when the contract is signed; if there is any
disagreement with the current version of the standard, the version used
shall be negotiated and agreed by the supplier and the purchaser.
5 Manufacturing process
Unless there is an agreement at the time of order or as otherwise specified in
the product standard, the manufacturing process shall be selected by the
manufacturer.
NOTE The manufacturing process includes each procedure from steel making to product
delivery.
6 Supply by intermediary
6.1 If the intermediary does not conduct any processing to the product, the
inspection documents or quality certificates of manufacturer shall be submitted
at the same time of delivery. The type of inspection document shall comply with
the requirements of GB/T 18253. The quality certificate shall comply with
Unless otherwise specified in the contract or the product standard, the
mechanical properties values all refer to the measurement values of product on
delivery state.
7.3.3 Evaluation on impact absorption energy value
Unless otherwise specified in the contract or the product standard, the impact
absorption energy value shall be represented by the average of all individual
trial values measured in 8.3.4.2.
7.4 Surface quality and internal quality
7.4.1 General requirements
7.4.1.1 All products shall have good quality. If there are slight surface and
internal defects produced under normal production state, it shall not be the
reason for rejection.
7.4.1.2 When required, the specific requirements for surface quality and
internal quality shall refer to corresponding standards and be determined via
negotiation during contract signing.
NOTE GB/T 14977, GB/T 28330 and YB/T 4427 are standards related to surface quality.
7.4.2 Defect detection
When required, the special technology for defect detection (such as X-ray
detection, ultrasonic inspection, magnetic particle testing, etc.) as well as its
number of product testing unit, processing method of test results shall be in
accordance with product standard or determined via negotiation during ordering.
7.4.3 Removal of surface discontinuities
Unless otherwise specified in the contract or the product standard, surface
discontinuities c...
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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