ISO 630-1:2021
Structural steels — Part 1: General technical delivery conditions for hot-rolled products
This document specifies the general technical delivery conditions for steel flat and long products (plates/ sections/wide flats and bars) used principally for general-purpose structural steels. The steels specified in this document are intended for use in welded or bolted structures.
The specific requirements for structural steels are given in the individual parts of ISO 630.
This document does not include the following structural steels, some of which are covered by other International Standards:
— sheet and strip: refer to ISO TC 17/SC 12 “Continuous mill flat rolled products”;
— tubular products: refer to ISO TC 5/SC 1 “Steel tubes”.
NOTE 1 Lists of standards covered by ISO/TC 17/SC 12 and ISO/TC 5/SC 1 are available on the ISO website.
NOTE 2 In all parts of ISO 630, the term of "thickness" is considered as "nominal thickness", unless otherwise stated.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
4.1 Classification
4.2 Designation
5 Information to be supplied by the purchaser
5.1 Mandatory information
5.2 Options
6 Requirements
6.1 Steelmaking process
6.2 Delivery condition
6.3 Chemical composition
6.3.1 Heat analysis
6.3.2 Product analysis
6.3.3 Carbon equivalent value
6.4 Mechanical properties
6.4.1 General
6.4.2 Tensile properties
6.4.3 Charpy V-notch impact properties
6.4.4 Through-thickness properties
6.5 Surface condition
6.6 Internal soundness
6.7 Dimensions, tolerances on dimensions and shape, and mass
6.7.1 Dimensions, tolerances on dimensions and shape
6.7.2 Calculation of mass
7 Inspection
7.1 Types of inspection and inspection documents
7.2 Tests to be carried out
7.3 Retests
8 Sampling
8.1 General
8.2 Frequency of testing
8.2.1 Verification of chemical composition
8.2.2 Verification of mechanical properties
8.2.3 Tests to be carried out for specific inspection
8.3 Selection and preparation of samples and test pieces
8.3.1 Sampling and sample preparation
8.3.2 Preparation of samples and test pieces
9 Test methods
9.1 Chemical analysis
9.2 Tensile test
9.3 Impact test
9.4 Through-thickness characteristics test
9.5 Ultrasonic test
10 Marking
Annex A (informative) Applicable standards on dimensions, tolerances, shape and mass
Bibliography
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Steel products. Inspection documents. List of information and description
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
4.1 Classification
4.2 Designation
5 Information to be supplied by the purchaser
5.1 Mandatory information
5.2 Options
6 Requirements
6.1 Steelmaking process
6.2 Delivery condition
6.3 Chemical composition
6.3.1 Heat analysis
6.3.2 Product analysis
6.3.3 Carbon equivalent value
6.4 Mechanical properties
6.4.1 General
6.4.2 Tensile properties
6.4.3 Charpy V-notch impact properties
6.4.4 Through-thickness properties
6.5 Surface condition
6.6 Internal soundness
6.7 Dimensions, tolerances on dimensions and shape, and mass
6.7.1 Dimensions, tolerances on dimensions and shape
6.7.2 Calculation of mass
7 Inspection
7.1 Types of inspection and inspection documents
7.2 Tests to be carried out
7.3 Retests
8 Sampling
8.1 General
8.2 Frequency of testing
8.2.1 Verification of chemical composition
8.2.2 Verification of mechanical properties
8.2.3 Tests to be carried out for specific inspection
8.3 Selection and preparation of samples and test pieces
8.3.1 Sampling and sample preparation
8.3.2 Preparation of samples and test pieces
9 Test methods
9.1 Chemical analysis
9.2 Tensile test
9.3 Impact test
9.4 Through-thickness characteristics test
9.5 Ultrasonic test
10 Marking
Annex A (informative) Applicable standards on dimensions, tolerances, shape and mass
Bibliography