BS EN 14399-1:2015 – TC:2020 Edition
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Tracked Changes. High-strength structural bolting assemblies for preloading – General requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 87 |
This European Standard specifies the general requirements for bolt/nut/washer(s) assemblies for high-strength structural bolting, which are suitable for preloading. The intended use of bolting assemblies in accordance with this European Standard is structural metallic works. NOTE 1 High-strength structural bolting assemblies in accordance with EN 14399-2 to EN 14399-10 are designed to fulfil the requirements of this European Standard. NOTE 2 High-strength structural bolting assemblies are suitable for preloading in accordance with EN 1090-2 in steel structures. High-strength structural bolting assemblies smaller than M12 are not designed to be preloaded. High-strength structural bolting assemblies are not designed to be welded. Railway rail fasteners are not covered by this standard.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 61 | 1 Scope 2 Normative references |
| 62 | 3 Terms and definitions |
| 63 | 4 Product characteristics 4.1 General 4.2 Type (bolting assemblies) 4.2.1 General |
| 64 | 4.2.2 Angle to failure during tightening (bolting assemblies) 4.2.3 Axial load (bolting assemblies) 4.2.4 Compression load (bolting assemblies with direct tension indicators) 4.2.5 Calibrated preload (bolting assemblies with calibrated preload) 4.3 Property class (bolting assemblies) 4.3.1 General 4.3.2 Elongation (bolts) 4.3.3 Tensile strength (bolts) 4.3.4 Strength under wedge loading (bolts) |
| 65 | 4.3.5 Tensile yield strength (bolts) 4.3.6 Proof load (nuts and bolts) 4.3.7 Impact strength (bolts) 4.3.8 Hardness (bolts, nuts, washers and, if provided, direct tension indicators) 4.3.9 Compression load (direct tension indicators) 4.4 Product grade (bolts, nuts, washers and, if provided, direct tension indicators) 4.4.1 General 4.4.2 Bolts and nuts |
| 66 | 4.4.3 Washers 4.4.4 Direct tension indicators 4.5 k-class and k-factor (bolting assemblies) 5 Testing and assessment methods 5.1 General |
| 67 | 5.2 Type (bolting assemblies) 5.2.1 Angle to failure during tightening (bolting assemblies) 5.2.2 Axial load (bolting assemblies) 5.2.3 Compression load (bolting assemblies with direct tension indicators) 5.2.4 Calibrated preload (bolting assemblies with calibrated preload) 5.3 Property class (bolting assemblies) 5.3.1 General 5.3.2 Elongation (bolts) 5.3.3 Tensile strength (bolts) 5.3.4 Strength under wedge loading (bolts) 5.3.5 Tensile yield strength (bolts) 5.3.6 Proof load (nuts and bolts) |
| 68 | 5.3.7 Impact strength (bolts) 5.3.8 Hardness (bolts, nuts, washers and, if provided, direct tension indicators) 5.3.9 Compression load (direct tension indicators) 5.4 Product grade (bolts, nuts, washers and, if provided, direct tension indicators) 5.4.1 General 5.4.2 Bolts and nuts |
| 69 | 5.4.3 Washers |
| 70 | 5.4.4 Direct tension indicators 5.5 k-class and k-factor (bolting assemblies) 6 Assessment and Verification of Constancy of Performance (AVCP) 6.1 General |
| 71 | 6.2 Type testing 6.2.1 General 6.2.2 Test samples, testing and compliance criteria |
| 72 | 6.2.3 Test reports 6.3 Factory production control (FPC) 6.3.1 General |
| 73 | 6.3.2 Requirements 6.3.2.1 General |
| 74 | 6.3.2.2 Equipment 6.3.2.3 Raw materials and components 6.3.2.4 Traceability and marking 6.3.2.5 Controls during manufacturing process 6.3.2.6 Product testing and evaluation |
| 75 | 6.3.2.7 Non-complying products |
| 76 | 6.3.2.8 Corrective action 6.3.2.9 Handling, storage and packaging 6.3.3 Product specific requirements |
| 77 | 6.3.4 Initial inspection of factory and of FPC 6.3.5 Continuous surveillance of FPC 6.3.6 Procedure for modifications |
