SPECIFICATION FOR STEEL TUBES & TUBULARS CONFORMING TO IS 1239:2004

DIMENSION
THICKNESS
WEIGHT
KG/METER
L
B
1.60
1.80
2.00
2.30
2.60
2.80
2.90
3.20
3.60
4.00
4.50
5.00
5.40
6.00
7.00
25 25 1.12 1.25 1.36 1.53 1.69 1.79 1.84 1.98 2.16 2.31
32 32 1.48 1.64 1.80 2.04 2.26 2.41 2.48 2.69 2.95 3.19
40 40 1.88 2.09 2.31 2.62 2.92 3.11 3.21 3.49 3.85 4.20
49.50 49.50 2.35 2.63 2.90 3.30 3.69 3.95 4.07 4.45 4.93 5.39
60 60 2.88 3.22 3.56 4.06 4.55 4.87 5.03 5.50 6.11 6.71 7.43
72 72 3.90 4.32 4.93 5.53 5.93 6.12 6.71 7.47 8.22 9.13
80 80 4.82 5.50 6.18 6.63 6.85 7.51 8.37 9.22 10.26 11.27
90 90 6.23 7.00 7.51 7.76 8.51 9.51 10.48 11.67 12.84
100 100 7.82 8.39 8.67 9.52 10.64 11.73 13.09 14.41 15.45
113 113 9.53 9.86 10.83 12.10 13.37 14.92 16.45 17.66
132 132 11.59 12.74 14.25 15.75 17.61 19.43 20.88 23.01
150 150 13.23. 14.54 16.29 18.01 20.15 22.26 23.93 26.40 30.44
180 180 17.56 19.68 21.78 24.39 26.97 29.02 32.05 37.04
225 225 24.77 27.43 30.75 34.04 36.65 40.53 46.93
DIMENSION
THICKNESS
WEIGHT
KG/METER
L
B
1.60
1.80
2.00
2.30
2.60
2.80
2.90
3.20
3.60
4.00
4.50
5.00
5.40
6.00
7.00
50 25 1.75 1.95 2.15 2.44 2.71 2.89 2.98 3.24 3.57 3.88
60 40 2.38 2.66 2.93 3.34 3.73 3.99 4.12 4.50 4.98 5.45
66 33 2.63 2.90 3.30 3.69 3.95 4.07 4.45 4.93 5.39
80 40 3.22 3.56 4.06 4.55 4.87 5.03 5.50 6.11 6.71 7.43
80 60 4.19 4.78 5.37 5.75 5.94 6.51 7.24 7.97 8.85
96 48 4.93 5.53 5.93 6.12 6.71 7.47 8.22 9.13
120 60 7.00 7.51 7.76 8.51 9.51 10.48 11.67 12.48
145 82 9.88 9.90 10.88 12.16 13.43 14.99 16.53 17.74
172 92 11.59 12.74 14.25 15.75 17.61 19.43 20.88
150 100 12.03 13.46 14.87 16.62 18.34 19.69 21.69
250 100 19.11 21.15 23.68 26.19 28.17 31.11 35.94
300 150 27.43 30.75 34.04 36.65 40.53 46.93
Tolerances:
Specification Tolerance
A) Thickness for all sizes ± 10%
B) Outside Dimensions of Sides ± 1% of the side to be measured with a minimum of ± 0.5mm
C) Weight a) On Individual Length: ± 10%
b) On Lots of 10 Tonnes: ± 8%
D) Squareness of Corner 90° ± 2°
E) Radius of Corners 3T, max where T is the thickness of the section
F) Length a) Exact Length: ± 6mm
b) Random Length: This may be obtained by arrangements between the purchaser and manufacturer
G) Straightness Minimum 1:200th of any length measured along the center line (mill straightened condition) unless otherwise specifically arranged
H) Twist Tolerance Maximum 2mm: 1:0.5mm, 1mm length, the measured relative vertical shift of any adjacent corner of the section, measured by keeping one side on flat surface
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