Foreword
Committees responsible
Specification
1 Scope
2 Information to be supplied by the purchaser and
options to be documented
3 Designation
4 Manufacture of the steel
5 Manufacture of the product
6 Chemical analysis
7 Final supply condition
8 Mechanical properties
9 Visual inspection and appearance
10 Tolerances
11 Tests
12 Number, selection and preparation of samples and
test pieces
13 Test methods
14 Retests
15 Test certificate
16 Protective coating
17 Marking
Appendices
A Designations of steel tubes in BS 3059 : Part 2 :
1990 and the nearest equivalent designations in
BS 3059 : Part 2 : 1978 and ISO 2604 : Parts II and
III
B Estimated average stress rupture values
C Physical properties of steels
D Preferred outside diameters and thicknesses for
tubes appropriate to this Part of BS 3059 and masses
per unit length
E Eddy current testing of tubes for verification of
leak tightness
F Ultrasonic testing of tubes for the detection of
longitudinal imperfections
G Procedure for verification of elevated temperature
values
Tables
1 Method of manufacture of tube, tolerance class and
reference
2 Steel type and type number
3 Chemical composition and mechanical properties at
room temperature
4 Permitted deviations of the product analysis from
the specified ladle analysis
5 Steel type number and tube manufacturing process,
final supply condition and temperature of heat
treatment
6 Minimum proof stress values (Rp0.2) for carbon,
carbon manganese and ferritic alloy steels at
elevated temperatures
7 Minimum proof stress values (Rp1.0) for austenitic
stainless steels at elevated temperatures
8 Tests for test category 1 and test category 2
9 Designation of steel tubes in BS 3059 : Part 2 :
1990 and the nearest equivalent designations in
BS 3059 : Part 2 : 1978 and ISO 2604 : Parts II and
III
10 Estimated average stress rupture values for carbon
and ferritic alloy steels
11 Estimated average stress rupture values for
austenitic steels
12 Physical properties of steel type number 360 and 440
13 Physical properties of steel type number 243,
620-460 and 622-490
14 Physical properties of steel type number 629-470,
629-590 and 762
15 Physical properties of steel type number 304S51,
316S51, 316S52, 321S51 (1010), 321S51 (1105),
347S51 and 215S15
16 Preferred outside diameters and thicknesses for
carbon, carbon manganese and ferritic alloy steel
boiler and superheater tubes appropriate to this
Part of BS 3059 and masses per unit length
17 Preferred outside diameters and thicknesses for
austenitic stainless steel boiler and superheater
tubes appropriate to this Part of BS 3059 and
masses per unit length
18 Drill diameter sizes for method A
19 Notch dimensions for method B
20 Reference notch dimensions and tolerances
21 Parameters for lower confidence lines: steel 360
22 Parameters for lower confidence lines: steel 440
23 Parameters for lower confidence lines: steel 243
24 Parameters for lower confidence lines: steel 620-460
25 Parameters for lower confidence lines: steel 622-490
26 Parameters for lower confidence lines: steel 629-470
27 Parameters for lower confidence lines: steel 629-590
28 Parameters for lower confidence lines: steel 762
29 Parameters for lower confidence lines: steel 304S51
30 Parameters for lower confidence lines: steel 316S51
and 316S52
31 Parameters for lower confidence lines: steel 321S51
(1010) and 321S51 (1105)
32 Parameters for lower confidence lines: steel 347S51
33 Parameters for lower confidence lines: steel 215S15
Figure
1 Example of lower confidence lines (for steel 762)