BSI PD 970:2001
$198.66
Wrought steels for mechanical and allied engineering purposes. Requirements for carbon, carbon manganese and alloy hot worked or cold finished steels
| Published By | Publication Date | Number of Pages |
| BSI | 2001 | 54 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | PUBLISHED DOCUMENT |
| 2 | Committees responsible for this Published�Document |
| 3 | Contents |
| 7 | 1 Scope 2 Normative references |
| 8 | 3 Terms and definitions 3.1 ruling section 3.2 limiting ruling section 3.3 equivalent diameter 4 Designation |
| 9 | 5 Information to be supplied by the purchaser 5.1 Mandatory information 5.2 Options |
| 10 | 6 Manufacturing process 6.1 Melting process 6.2 Deoxidation 6.3 Condition of material on delivery 6.4 Heat treatment 7 Requirements 7.1 Chemical composition |
| 12 | Table1 Permitted variations of product analysis from specified range 7.2 Mechanical properties |
| 13 | Table 2 Reference symbols for tensile strength ranges of hardened and tempered material 7.3 Technological properties 7.4 Internal soundness |
| 14 | 7.5 Surface finish and quality |
| 15 | Table 3a Surface quality classes |
| 16 | Table 3b Surface quality classes for cold finished flats 7.6 Decarburization levels 8 Inspection and testing 8.1 Tensile strength of 1�225 MPa or greater 8.2 Selection and preparation of test bars for tensile and impact tests |
| 17 | 8.3 Frequency of other tests |
| 18 | 8.4 Test methods and test results 8.5 Types of inspection documents |
| 19 | 9 Marking 10 Specific requirements for as-rolled and normalized steels and for steels supplied as cold fini… 10.1 Specific requirements for hot worked and/or heat treated steels 10.2 Specific requirements for steels supplied as cold finished bar |
| 20 | Table 4 Hot rolled and hot rolled + normalized steels: chemical composition and mechanical property requi… |
| 21 | Table 5 Normalizing requirements |
| 22 | Table 6 Steels supplied as cold finished bar: chemical composition and mechanical property requirements |
| 32 | 11 Specific requirements for quenched and tempered steels including steels capable of surface har… Table 7 Quenched and tempered steels including steels capable of surface hardening by nitriding: chemical… |
| 38 | Table 8 Quenched and tempered steels: heat treatment and maximum hardness requirements in the softened co… |
| 39 | Table 9 Hardenability requirements for 708H37 |
| 40 | 12 Specific requirements for case hardening steels Table 10 Case hardening alloy steels: chemical composition and hardenability requirements |
| 41 | Table 11 Case hardening carbon manganese and low alloy steels: chemical composition and mechanical propert… |
| 42 | Table 12 Case hardening steels: heat treatment and maximum hardness requirements 13 Specific requirements for tolerances 13.1 Semi-finished products 13.2 Black bar for special applications 13.3 Black bar for general applications |
| 43 | Table 13 Thickness tolerances for wide flats Figure 1 Types of mill edge (convex and concave) |
| 44 | Figure 2 Rhomboid edge condition Table 14 Deviation from squareness of edges for wide flats |
| 45 | Edge camber of wide flats |
| 46 | Table 15 Tolerances for hot rolled round, square and hexagon bars suitable for cold finishing 13.4 Cold finished bar 13.5 Cut end condition |
| 47 | Annex A (informative) Table showing correlation between steels from BS 970-1:1983, PD 970:2001 and curren… |
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