PD 6635:1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Non-alloy steel rod for drawing and/or cold rolling. General purpose rod, rimmed and rimmed substitute low carbon steel rod, rod for special applications. Requirements and tests
Hardcopy , PDF
07-26-2021
English
03-15-1999
Committees responsible
Foreword
1 Scope
2 Normative references
3 Terms and definitions
3.1 Heat analysis
3.2 Product analysis
4 Classification and designation
4.1 Classification
4.2 Designation
5 Production process
6 Common requirements
6.1 General
6.2 Internal soundness and surface quality for all types of rod
6.3 Inspection of non-metallic inclusions
6.4 Method of delivery
6.5 Delivery condition
7 Requirements for general purpose rod
7.1 Chemical composition and mechanical properties
7.2 Depth of surface defects and soundness
7.3 Core segregation
8 Requirements for rimmed and rimmed-substitute low-carbon
steel rod
8.1 Chemical composition and mechanical properties
8.2 Depth of surface defects and soundness
9 Requirements for rod for special applications
9.1 Chemical composition and mechanical properties
9.2 Depth of surface defects and soundness
9.3 Core segregation
9.4 Depth of decarburization
10 Dimensions, mass and tolerances
11 Inspection and testing
11.1 Inspection and inspection documents
11.2 Extent of inspection
11.3 Acceptance unit and number of samples and test pieces
11.4 Test of chemical composition
11.5 Test of decarburization, surface defects, non-metallic
inclusions and core segregation
11.6 Test methods
12 Marking
Annex A (normative) Determination of core segregation
A.1 Scope
A.2 Definition
A.3 Principle
A.4 Preparation of samples
A.5 Evaluation of the segregation
Annex B (informative) Information to be supplied by the purchaser
Figure
A.1 Five classes of segregation
Tables
1 Chemical analysis (heat analysis) for general purpose
rod
2 Chemical analysis (heat analysis) for rimmed and
rimmed-substitute low carbon
3 Chemical analysis (heat analysis) for rod special
applications
4 Permissible deviations in the product analysis in
relation to the actual heat analysis for general purpose
rod
5 Mechanical properties for general purpose rod and rod
for special applications
6 Limit values for the depth of surface discontinuities for
general purpose rod
7 Permissible deviations in the product analysis in
relation to the actual heat analysis for rimmed and
rimmed-substitute low-carbon steel rod
8 Tensile strength values for rimmed and rimmed-substitute
low carbon steel rod
9 Limit values for the depth of surface discontinuities for
rimmed and rimmed-substitute low-carbon steel rod
10 Permissible deviations in the product analysis in
relation to the actual heat analysis for rod for special
applications
11 Limit values for the depth of surface discontinuities for
rod for special applications
12 Limit of the depth of partial decarburization
13 Extent of inspection
14 Acceptance unit and number of samples and test pieces
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