AS 1074:1989 Australian Standard Specification

Steel Tubes And Tubulars For Ordinary Service

STANDARD CHEMICAL   COMPOSITION MECHANICAL   PROPERTIES Hydrostatic

Test
(MPa)


Max%
Mn

Max%
P

Max%
S

Max%
Yield
Strength
(Min)

Tensile
Strength
(Min)

Elongation

(Min)
Class Light 0.40 - 0.045 0.045 195 320-460 20 5
Class Medium 0.40 - 0.045 0.045 195 320-460 20 5
Class Heavy 0.40 - 0.045 0.045 195 320-460 20 5

 

DIMENSIONS OF STEEL TUBES - LIGHT
Nominal
Side
Outside Diameter Wall
Thickness
Calculated Weight Threads
per
Number
of piece
Min Max Plain Ends Threads&Coupling
mm in mm mm mm kg/m kg/m 25.4 mm. per Bundle
DN 15  1/2 21.0 21.4 2.0 0.947 0.956 14 169
DN 20  3/4 26.4 26.9 2.3 1.38 1.39 14 127
DN 25 1 33.2 33.8 2.6 1.98 2.00 11 91
DN 32 1 1/4 41.9 42.5 2.6 2.54 2.57 11 61
DN 40 1 1/2 47.8 48.4 2.9 3.23 3.27 11 44
DN 50 2 59.6 60.2 2.9 4.08 4.15 11 37
DN 65 2 1/2 75.2 76.0 3.2 5.71 5.83 11 24
DN 80 3 87.9 88.7 3.2 6.72 6.89 11 19
DN 100 4 113.0 113.9 3.6 9.75 10.00 11 14

 

DIMENSIONS OF STEEL TUBES - MEDIUM
Nominal
Side
Outside Diameter Wall
Thickness
Calculated Weight Threads
per
Number
of piece
Min Max Plain Ends Threads&Coupling
mm in mm. mm. mm. kg/m kg/m 25.4 mm. per Bundle
DN 15  1/2 21.1 21.7 2.6 1.21 1.22 14 169
DN 20  3/4 26.6 27.2 2.6 1.56 1.57 14 127
DN 25 1 33.4 34.2 3.2 2.41 2.43 11 91
DN 32 1 1/4 42.1 42.9 3.2 3.10 3.13 11 61
DN 40 1 1/2 48.0 48.8 3.2 3.57 3.61 11 44
DN 50 2 59.8 60.8 3.6 5.03 5.10 11 37
DN 65 2 1/2 75.4 76.6 3.6 6.43 6.55 11 24
DN 80 3 88.1 89.5 4.0 8.37 8.54 11 19
DN 100 4 113.1 114.9 4.5 12.20 12.50 11 14
DN 125 5 138.7 140.6 5.0 16.60 17.10 11 7
DN 150 6 164.1 166.1 5.0 19.70 20.30 11 7

 

DIMENSIONS OF STEEL TUBES - HEAVY
Nominal
Side
Outside Diameter Wall
Thickness
Calculated Weight Threads
per
Number
of piece
Min Max Plain Ends Threads&Coupling
mm in mm. mm. mm. kg/m kg/m 25.4 mm. per Bundle
DN 15  1/2 21.1 21.7 3.2 1.44 1.45 14 169
DN 20  3/4 26.6 27.2 3.2 1.87 1.88 14 127
DN 25 1 33.4 34.2 4.0 2.94 2.96 11 91
DN 32 1 1/4 42.1 42.9 4.0 3.8 3.83 11 61
DN 40 1 1/2 48.0 48.8 4.0 4.38 4.42 11 44
DN 50 2 59.8 60.8 4.5 6.19 6.26 11 37
DN 65 2 1/2 75.4 76.6 4.5 7.93 8.05 11 24
DN 80 3 88.1 89.5 5.0 10.30 10.50 11 19
DN 100 4 113.3 114.9 5.4 14.50 14.80 11 14
DN 125 5 138.7 140.6 5.4 17.90 18.40 11 7
DN 150 6 164.1 166.1 5.4 21.30 21.90 11 7

 

Tolerance Class Light Class Medium Class Heavy
Wall Thickness  :
 - 8%  + not limit  - 10%  + not limit  - 10%  + not limit
Weight :
 + 10 , - 8  percent
Length :
 + 8 mm.  ,  - 0 mm.