{"id":375136,"date":"2024-10-20T02:42:08","date_gmt":"2024-10-20T02:42:08","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-13445-42021\/"},"modified":"2024-10-26T04:43:20","modified_gmt":"2024-10-26T04:43:20","slug":"bs-en-13445-42021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-13445-42021\/","title":{"rendered":"BS EN 13445-4:2021"},"content":{"rendered":"

This document specifies requirements for the manufacture of unfired pressure vessels and their parts, made of steels, including their connections to non-pressure parts. It specifies requirements for material traceability, manufacturing tolerances, welding requirements, requirements for permanent joints other than welding, production tests, forming requirements, heat treatment, repairs and finishing operations.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
10<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
12<\/td>\n3 Terms and definitions
4 Requirements for manufacturing and subcontracting
4.1 Manufacturing <\/td>\n<\/tr>\n
13<\/td>\n4.2 Subcontracting
5 Materials
5.1 General
5.2 Material traceability
5.2.1 General <\/td>\n<\/tr>\n
14<\/td>\n5.2.2 Identification system
5.2.3 Visibility
5.2.4 Review of material certification and material identification <\/td>\n<\/tr>\n
15<\/td>\n5.2.5 Transfer of markings
6 Manufacturing tolerances
6.1 Surface geometry of welds
6.2 Middle line alignment <\/td>\n<\/tr>\n
17<\/td>\n6.3 Surface alignment
6.3.1 Surface misalignment between parts
6.3.2 Joining of parts of different thickness
6.4 Tolerances for vessels subjected to internal pressure
6.4.1 External diameter
6.4.2 Out of roundness <\/td>\n<\/tr>\n
18<\/td>\n6.4.3 Deviation from the longitudinal axis
6.4.4 Irregularities in profile <\/td>\n<\/tr>\n
20<\/td>\n6.4.5 Local thinning <\/td>\n<\/tr>\n
21<\/td>\n6.4.6 Dished ends <\/td>\n<\/tr>\n
24<\/td>\n6.5 Tolerances for vessels subjected to external pressure
6.6 Structural tolerances
7 Weld details
7.1 General
7.2 Vessels or parts made of more than one course
7.3 Lapped joints, joggle joints, permanent backing strips
8 Welding
8.1 General <\/td>\n<\/tr>\n
25<\/td>\n8.2 Welding procedure specification (WPS)
8.3 Welding procedure qualification record (WPQR) <\/td>\n<\/tr>\n
26<\/td>\n8.4 Qualification of welders and welding operators <\/td>\n<\/tr>\n
27<\/td>\n8.5 Filler metals and auxiliary materials
8.6 Joint preparation <\/td>\n<\/tr>\n
28<\/td>\n8.7 Execution of welded joints
8.8 Attachments, supports and stiffeners
8.9 Preheat <\/td>\n<\/tr>\n
29<\/td>\n8.10 Permanent joints other than welding
8.10.1 General
8.10.2 Mechanical roller expansion
8.10.3 Brazing
9 Manufacture and testing of welds \u2014 Production test
9.1 General <\/td>\n<\/tr>\n
30<\/td>\n9.2 Reference criteria <\/td>\n<\/tr>\n
34<\/td>\n9.3 Extent of testing <\/td>\n<\/tr>\n
36<\/td>\n9.4 Performance of tests and acceptance criteria
9.4.1 General
9.4.2 Transverse tensile test
9.4.3 Longitudinal weld tensile test
9.4.4 Impact test
9.4.5 Bend test <\/td>\n<\/tr>\n
37<\/td>\n9.4.6 Macro examination
9.4.7 Micro examination
9.4.8 Hardness test
9.4.9 Retests <\/td>\n<\/tr>\n
38<\/td>\n9.4.10 Test report
10 Forming of pressure parts
10.1 General
10.2 Ratio of deformation
10.2.1 Dished circular products <\/td>\n<\/tr>\n
39<\/td>\n10.2.2 Cylinders and cones made by rolling <\/td>\n<\/tr>\n
40<\/td>\n10.2.3 Other product types <\/td>\n<\/tr>\n
41<\/td>\n10.2.4 Tube bends
10.2.5 Forming of Segments <\/td>\n<\/tr>\n
42<\/td>\n10.3 Forming procedures
10.3.1 Cold forming <\/td>\n<\/tr>\n
43<\/td>\n10.3.2 Hot forming
10.3.2.1 General
10.3.2.2 Normalised steels with specified impact values at temperatures above and including \u201320 (C <\/td>\n<\/tr>\n
44<\/td>\n10.3.2.3 Normalised steels with specified impact values at temperatures below \u2013 20 (C
10.3.2.4 Quenched and tempered steels
10.3.2.5 Austenitic and austenitic-ferritic steels <\/td>\n<\/tr>\n
45<\/td>\n10.3.2.6 Clad steels
10.4 Heat treatment after forming
10.4.1 General
10.4.2 Heat treatment of flat products after cold forming <\/td>\n<\/tr>\n
47<\/td>\n10.4.3 Heat treatment of tubular products after cold forming
10.4.4 Heat treatment of clad steels after cold forming
10.4.5 Heat treatment after hot forming <\/td>\n<\/tr>\n
48<\/td>\n10.4.6 Heat treatment of clad steels after hot forming
10.5 Sampling of formed test coupons
10.5.1 Cold formed products without heat treatment
10.5.2 Hot formed or cold formed products with heat treatment <\/td>\n<\/tr>\n
49<\/td>\n10.6 Tests
10.6.1 Base material
10.6.2 Butt welds <\/td>\n<\/tr>\n
50<\/td>\n10.6.3 Acceptance criteria for formed test coupons
10.6.4 Retests of formed coupons <\/td>\n<\/tr>\n
51<\/td>\n10.7 Visual inspection and control of dimension
10.8 Marking
10.9 Documentation
11 Post weld heat treatment (PWHT)
11.1 General <\/td>\n<\/tr>\n
52<\/td>\n11.2 Heat treatment conditions <\/td>\n<\/tr>\n
55<\/td>\n11.3 Method of PWHT <\/td>\n<\/tr>\n
56<\/td>\n11.4 PWHT procedure <\/td>\n<\/tr>\n
57<\/td>\n11.5 Mechanical properties after heat treatment <\/td>\n<\/tr>\n
59<\/td>\n11.6 Dissimilar ferritic joints <\/td>\n<\/tr>\n
60<\/td>\n11.7 Special materials
11.8 Heat Treatment for reasons other than welding
12 Repairs
12.1 Repairs of surface defects in the parent metal <\/td>\n<\/tr>\n
61<\/td>\n12.2 Repair of weld defects
13 Finishing operations <\/td>\n<\/tr>\n
63<\/td>\nAnnex A (informative)Structural tolerances <\/td>\n<\/tr>\n
67<\/td>\nAnnex B (informative)Example of a sub-contractors form <\/td>\n<\/tr>\n
68<\/td>\nAnnex C (normative)Specification and approval of expansion procedures and operators
C.1 General
C.1.1 Introduction
C.1.2 Responsibility
C.1.3 Specification of expansion procedures <\/td>\n<\/tr>\n
69<\/td>\nC.1.4 Technical content of expansion procedure specification (EPS) <\/td>\n<\/tr>\n
70<\/td>\nC.1.5 Expansion procedure qualification test (EPQT)
C.2 Examination and testing
C.2.1 General
C.2.2 Visual examination
C.2.3 Dimensional verification <\/td>\n<\/tr>\n
71<\/td>\nC.2.4 Testing
C.3 Range of approval
C.3.1 General
C.3.2 Manufacturer
C.3.3 Material <\/td>\n<\/tr>\n
72<\/td>\nC.3.4 Tube dimensions
C.3.5 Expansion factor
C.3.6 Joint design
C.3.7 Tool
C.3.8 PWHT <\/td>\n<\/tr>\n
73<\/td>\nC.4 Expansion Procedure Approval Record (EPAR)
C.5 Expansion operator approval
C.5.1 General
C.5.2 Validity range of expansion operator qualification
C.5.3 Qualification tests
C.5.3.1 General
C.5.3.2 Test piece
C.5.3.3 Assessment of the test piece <\/td>\n<\/tr>\n
74<\/td>\nC.5.4 Examination and testing
C.5.5 Period of validity
C.5.5.1 Initial approval
C.5.5.2 Prolongation
C.5.6 Certification <\/td>\n<\/tr>\n
75<\/td>\nAnnex Y (informative)History of EN 13445-4
Y.1 Differences between EN 13445-4:2014 and EN 13445-4:2021 <\/td>\n<\/tr>\n
76<\/td>\nAnnex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2014\/68\/EU aimed to be covered <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Unfired pressure vessels – Fabrication<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n78<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":375145,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[338,2641],"product_tag":[],"class_list":{"0":"post-375136","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-23-020-30","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/375136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/375145"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=375136"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=375136"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=375136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}