GB/T 18253-2018 Steel and Steel Products - Types of Inspection Documents
1 Scope
This standard defines the different types of inspection documents supplied to the purchaser, in accordance with the requirements of the order, for the delivery of steel products.
This standard is to be used in conjunction with other International Standards which specify the general technical delivery conditions:
——for steel and steel products, see ISO 404: 2013;
——for steel castings, see ISO 4990.
Note: this standard can also apply to other products.
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.
ISO 404:2013 Steel and Steel Products - General Technical Delivery Requirements
ISO 4990 Steel Castings - General Technical Delivery Requirements
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
non-specific inspection
inspection carried out by the manufacturer in accordance with his own procedures, to verify that products made by the same manufacturing process meet the requirements of the order
[SOURCE: ISO 404:2013]
Note: The products inspected and tested can be different from the products actually supplied.
3.2
specific inspection
inspection carried out, before delivery, in accordance with the product specification, on the products being supplied or on test units of which the products are part, to verify that these products meet the requirements of the order
[SOURCE: ISO 404:2013]
3.3
product specification
complete detailed technical requirements relevant for the order, stated in written form, e.g. referenced standards or other specifications
3.4
manufacturer
organization that manufactures the respective products according to the requirements of the order and to properties specified in the referenced product specification
3.5
intermediary
organization that is supplied with products by the manufacturers and that then, in turn, supplies them without further processing or after processing without changing the properties specified in the purchase order and referenced product specification
Note 1 to entry: Examples of intermediaries can be steel service centres and stockists
4 Inspection Documents Based on Non-specific Inspection
4.1 Declaration of compliance with the order “2.1”
Document issued by the manufacturer declaring that the products supplied comply with the requirements of the order, without test results.
4.2 Test report “2.2”
Document issued by the manufacturer declaring that the products supplied comply with the requirements of the order and in which test results are supplied based on non-specific inspection.
Note: if test report “4.3” of GB/T 18253-2000 is specified in product standards, 4.3 can be used until the product standard is revised.
5 Inspection Documents Based on Specific Inspection
5.1 Inspection certificate 3.1
Document issued by the manufacturer declaring that the products supplied comply with the requirements of the order and in which test results are supplied from specific inspection.
The test unit and the tests carried out are defined by the product specification and/or the order.
It shall be permissible for the manufacturer to transfer to the inspection certificate 3.1 relevant test results obtained by specific inspection on primary incoming products provided that the manufacturer operates traceability procedures and can provide the corresponding inspection documents required.
Inspection certificate 3.1 shall be validated by the manufacturer’s authorized inspection representative, independent of the manufacturing department.
Note 1: inspection certificate 3.1 replaces s.1B in GB/T 18253-2000.
Note 2: if inspection certificate 5.1 B is specified in product standards, 5.1B instead of 3.1 in GB/T 18253-2000 can be used.
5.2 Inspection certificate 3.2
Document issued by the manufacturer declaring that the products supplied comply with the requirements of the order and in which test results are supplied from specific inspection.
The test unit and the tests carried out are defined by the product specification and/or the order.
It shall be permissible for the manufacturer to transfer to the inspection certificate 3.2 relevant test results obtained by specific inspection on primary incoming products provided that the manufacturer operates traceability procedures and can provide the corresponding inspection documents required.
The inspection certificate 3.2 shall be validated by both the manufacturer’s authorized representative and the purchaser’s authorized representative or by an inspector designated by a third party.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Inspection Documents Based on Non-specific Inspection
5 Inspection Documents Based on Specific Inspection
6 Inspection Documents Supplied by an Intermediary
7 Validation of Inspection Documents
8 Summary of Documents
Annex NA (Informative) Comparison of this Standard and Foreign Inspection Document Types
GB/T 18253-2018 Steel and Steel Products - Types of Inspection Documents
1 Scope
This standard defines the different types of inspection documents supplied to the purchaser, in accordance with the requirements of the order, for the delivery of steel products.
This standard is to be used in conjunction with other International Standards which specify the general technical delivery conditions:
——for steel and steel products, see ISO 404: 2013;
——for steel castings, see ISO 4990.
Note: this standard can also apply to other products.
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.
ISO 404:2013 Steel and Steel Products - General Technical Delivery Requirements
ISO 4990 Steel Castings - General Technical Delivery Requirements
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
non-specific inspection
inspection carried out by the manufacturer in accordance with his own procedures, to verify that products made by the same manufacturing process meet the requirements of the order
[SOURCE: ISO 404:2013]
Note: The products inspected and tested can be different from the products actually supplied.
3.2
specific inspection
inspection carried out, before delivery, in accordance with the product specification, on the products being supplied or on test units of which the products are part, to verify that these products meet the requirements of the order
[SOURCE: ISO 404:2013]
3.3
product specification
complete detailed technical requirements relevant for the order, stated in written form, e.g. referenced standards or other specifications
3.4
manufacturer
organization that manufactures the respective products according to the requirements of the order and to properties specified in the referenced product specification
3.5
intermediary
organization that is supplied with products by the manufacturers and that then, in turn, supplies them without further processing or after processing without changing the properties specified in the purchase order and referenced product specification
Note 1 to entry: Examples of intermediaries can be steel service centres and stockists
4 Inspection Documents Based on Non-specific Inspection
4.1 Declaration of compliance with the order “2.1”
Document issued by the manufacturer declaring that the products supplied comply with the requirements of the order, without test results.
4.2 Test report “2.2”
Document issued by the manufacturer declaring that the products supplied comply with the requirements of the order and in which test results are supplied based on non-specific inspection.
Note: if test report “4.3” of GB/T 18253-2000 is specified in product standards, 4.3 can be used until the product standard is revised.
5 Inspection Documents Based on Specific Inspection
5.1 Inspection certificate 3.1
Document issued by the manufacturer declaring that the products supplied comply with the requirements of the order and in which test results are supplied from specific inspection.
The test unit and the tests carried out are defined by the product specification and/or the order.
It shall be permissible for the manufacturer to transfer to the inspection certificate 3.1 relevant test results obtained by specific inspection on primary incoming products provided that the manufacturer operates traceability procedures and can provide the corresponding inspection documents required.
Inspection certificate 3.1 shall be validated by the manufacturer’s authorized inspection representative, independent of the manufacturing department.
Note 1: inspection certificate 3.1 replaces s.1B in GB/T 18253-2000.
Note 2: if inspection certificate 5.1 B is specified in product standards, 5.1B instead of 3.1 in GB/T 18253-2000 can be used.
5.2 Inspection certificate 3.2
Document issued by the manufacturer declaring that the products supplied comply with the requirements of the order and in which test results are supplied from specific inspection.
The test unit and the tests carried out are defined by the product specification and/or the order.
It shall be permissible for the manufacturer to transfer to the inspection certificate 3.2 relevant test results obtained by specific inspection on primary incoming products provided that the manufacturer operates traceability procedures and can provide the corresponding inspection documents required.
The inspection certificate 3.2 shall be validated by both the manufacturer’s authorized representative and the purchaser’s authorized representative or by an inspector designated by a third party.
Contents of GB/T 18253-2018
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Inspection Documents Based on Non-specific Inspection
5 Inspection Documents Based on Specific Inspection
6 Inspection Documents Supplied by an Intermediary
7 Validation of Inspection Documents
8 Summary of Documents
Annex NA (Informative) Comparison of this Standard and Foreign Inspection Document Types
