Standard Reference : Cold rolled Mild steel BS 1449/1,ASTMA 109-91,JIS G3448, DIN 1624-87
  Dimension Torerance    
  Outside Dimeter : OD 25.4 mm.,+/0.15 mm.
    : OD > 25.4 mm.,+/0.20 mm.
  Thickness : t 4.0 mm..,+/0.15 mm.
  Weight : +/- 8%
 
 
     
 
Outside Diameter SizexSize
Calculate Weight (kg./m.)
Thickness (mm.)
Inch.
mm.
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.3
2.5
3/8"
9.5
0.09
0.13
0.17
0.21
0.25
1/2"
12.7
0.18
0.23
0.29
0.34
0.39
0.44
0.48
5/8"
15.9
0.23
0.30
0.37
0.44
0.50
0.56
0.63
0.69
3/4"
19.1
0.27
0.36
0.45
0.53
0.61
0.69
0.77
0.84
0.95
7/8"
22.2
0.42
0.52
0.62
0.72
0.81
0.91
1.00
1.13
1"
25.4
0.49
0.60
0.72
0.83
0.94
1.05
1.05
1.31
1 1/8"
28.6
0.55
0.68
0.81
0.94
0.07
1.19
1.31
1.49
1 1/4"
31.8
0.61
0.76
0.91
1.05
1.19
1.33
1.47
1.67
1 3/8"
35.0
0.84
1.00
1.16
1.32
1.47
1.63
1.85
2.00
1 1/2"
38.1
0.91
1.09
1.27
1.44
1.61
1.78
2.03
2.19
1 5/8"
41.3
0.99
1.19
1.38
1.57
1.75
1.94
2.21
2.39
1 3/4"
44.5
1.28
1.49
1.69
1.90
2.10
2.39
2.59
1 7/8"
47.6
1.37
1.60
1.81
2.03
2.25
2.57
2.78
2"
50.8
1.47
1.71
1.94
2.18
2.41
2.75
2.98
2 1/4"
57.1
1.92
2.19
2.45
2.72
3.11
3.37
2 1/2"
63.5
2.14
2.44
2.74
3.03
3.47
3.76
3"
76.2
2.94
3.30
3.70
4.19
4.54

 
 
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