BS 3915:1965

Cooperating organizations
Foreword
Specification
Section 1. General
1.1 Scope
1.2 Definitions
1.3 Classification
1.4 Information to be supplied by the purchaser and
      manufacturer
1.5 Agreed specification
1.6 Interpretation
Section 2. Materials
2.1 General
2.2 Selection of materials
2.3 Nominal design stresses
2.4 Modulus of elasticity
Section 3. Design
3.1 General
3.2 Basic design
3.2.1 Shells subject to internal pressure
3.2.2 Shells subject to external pressure
3.2.3 Protective linings
3.2.4 Flat ends and covers
3.2.5 Conical ends
3.2.6 Domed ends
3.2.7 Spherically domed and bolted ends
3.2.8 Openings and branch connections
3.2.9 Bolted flanged connections
3.2.10 Flat tube plates
3.2.11 Design of welded joints
3.3 Final design appraisal
Section 4. Manufacture
4.1 Plates identification, forming, etc.
4.2 Welding
4.3 Tolerances
4.4 Stress relieving by heat treatment
Section 5. Inspection and tests
5.1 General
5.2 Testing facilities
5.3 Stages of inspection and tests
5.4 Test certificates for materials
5.5 Examination of components prior to welding
5.6 Examination of production welds
5.7 Radiographic examination
5.8 Category B pipe components not exceeding 24 in
      nominal bore
5.9 Weld leak testing
5.10 Pressure tests
5.11 Marking and records
Section 6. Automatic pressure relief devices
6.1 General
6.2 Materials
6.3 Capacity
6.4 Installation
6.5 Discharge systems
6.6 Marking of automatic pressure relief devices
Appendices
A. The design of openings and penetrations
B. Welding procedure qualification, welder and operator
    performance qualification and production weld tests
C. Plate pressing procedure tests
D. Ultrasonic inspection of plates
E. Selection of economic flange proportions
F. Approximate equivalents

Two categories; materials; design stresses; design of shells; flat ends; conical ends; domed ends; spherically domed and bolted ends; openings and branch connections; bolted flanged connections; flat tube plates; welded joints; final design appraisal; manufacture; inspection and tests of components and completed vessels, including radiographic examination and pressure testing; automatic pressure relief devices. Welding procedure qualification, welder and operator performance qualification, production weld tests; plate pressing procedure tests; ultrasonic inspection of plates; selection of economical flange proportions.