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BS EN 10225-2:2019

$189.07

Weldable structural steels for fixed offshore structures. Technical delivery conditions – Sections

Published By Publication Date Number of Pages
BSI 2019 48
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This document specifies requirements for weldable structural steels, in the form of sections (e.g. H-, I-, Z-sections, U-channels, angles and tees) excluding hollow sections, to be used in the fabrication of fixed offshore structures. The thickness limitation in this standard is up to and including 63 mm. For steel qualities with mechanical properties in the transverse direction (named xL1O) sections with flange widths smaller than 180 mm and channels with flange widths smaller than 90 mm cannot be ordered. Greater thicknesses may be agreed, provided the technical requirements of this European Standard are maintained. This European Standard is applicable to steels for offshore structures, designed to operate in the offshore sector but not to steels supplied for the fabrication of subsea pipelines, risers, process equipment, process piping and other utilities. It is primarily applicable to the North Sea Sector, but may also be applicable in other areas provided that due consideration is given to local conditions e.g. design temperature. NOTE This document has an informative Annex C on the prequalification of steels for fixed offshore structures in arctic areas. Minimum yield strengths up to 460 MPa are specified together with impact properties at temperatures down to -40 °C.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
9 3 Terms and definitions
11 4 Classification and designation
12 5 Information to be supplied by the purchaser
6 Manufacturing process
13 7 Requirements
15 8 Inspection
16 9 Frequency of testing and preparation of samples and test pieces
18 10 Test methods
19 11 Marking and bundling
20 12 Options
30 Annex A (normative when Option 1 is specified by the purchaser)Further details of steel manufacturing procedures to be supplied by the manufacturer
31 Annex B (normative when Option 17 is specified by the purchaser)Weldability testing and mechanical testing of butt welds
B.1 General requirements
B.2 Welding processes and procedure
32 B.3 Butt-weld requirements
B.3.1 General
B.3.2 Test piece dimensions
33 B.3.3 Bevel detail
34 B.3.4 Welding processes
B.3.5 Nominal heat input
B.3.6 Dehydrogenation of test pieces
B.4 Mechanical testing
B.4.1 General
36 B.4.2 Charpy-V-notch impact tests
B.4.3 Fracture mechanic test
B.4.3.1 General
37 B.4.3.2 Classification of HAZ structures
B.4.3.3 Test requirements
38 B.4.3.4 Sectioning methods
B.4.4 Macrohardness
39 B.4.5 Cross-weld tensile test
45 Annex C (informative)Prequalification of steels for offshore structures operating in arctic areas
46 Annex D (normative)Applicable dimensional standards
BS EN 10225-2:2019
$189.07