CALCULATED WEIGHTS - STANDARD TUBINGS  
 
0.71 0.91 1.00 1.20 1.50 1.60 2.00 2.64 3.00 3.25 3.60
WEIGHT KG / MTR.
6.00 0.094 0.116 0.125 0.144 0.169 0.176  
9.52 0.156 0.196 0.213 0.249 0.301 0.317
12.70 0.213 0.268 0.293 0.345 0.420 0.444 0.535 0.664
15.87 0.269 0.340 0.372 0.440 0.539 0.571 0.694 0.873
19.05 0.326 0.413 0.451 0.536 0.658 0.698 0.853 1.083 1,204 1.284
22.22 0.382 0.485 0.531 0.631 0.778 0.826 1.012 1.294 1.443 1.543
25.40 0438 0.557 0.610 0.726 0.896 0.925 1.170 1.502 1.680 1.800 1.062
28.60 0.496 0.631 0.691 0.823 1.017 1.081 1.332 1.715 1.922 2.061 2.253
31.75 0.769 0.917 1.134 1.206 1.488 1.921 2.156 2.316 2.534
35.00 0.851 1.015 1.258 1.338 1.652 2.138 2.403 2.583 2.829
38.10 1.107 1.373 1.460 1.805 2.340 2.633 2.832 3.105
41.27 1.202 1.491 1.587 1.964  2.550 2.870 3.089 3.390
44.45 1.298 1.611 1.714 2.123 2.759 3.109 3.348 3.677
45.00 1.314 1.631 1.736 2.150 2.796 3.150 3.392 3.726
50.00 1.464 1.819 1.936 2.400 3.126 3.525 3.798 4.176
50.80 1.488 1.849 1.968 2.440 3.179 3.585 3.863 4.248
63.50 1.871 2.325 2.476 3.075 4.017 4.538 4.895 5.391
76.20 2.253 2.801 2.984 3.710 4.855 5.490 5.927 6.541
101.60 3.016 3.758 4.000 4.980 6.539 7.395 8.000 8.820
 
     
  STANDARD NOMINAL BORE & SCHEDULES OF PIPES  
 
Normal Pipe Size
N.B In Inch 		Outside Diameter
in MM. 		Sch. 5s W.T
in mm 		Sch. 10s W.T
in mm 		Sch.40s W.T.
in mm 		Sch. 80s W.T. in mm
3/8 17.15   1.65

2.31

 3.20
1/2 21.34 1.65 2.11 2.77 3.73
3/4 26.67 1.65 2.11 2.87 3.91
1 33.40 1.65 2.77 3.38 4.55
1-1/4 42.61 1.65 2.77 3.56 4.85
1-1/2 48.26 1.65 2.77 3.68 5.08
2 60.30 1.65 2.77 3.91 5.54
2-1/2 73.03 2.11 3.05 5.16 7.01
3 88.90 2.11 3.05 5.49 7.60
4 114.30 2.11 3.05 6.02 8.56
6 168.28 2.77 3.40 7.11 10.97
 
     
 
OUTER DIAMETER WALL THICKNESS
SWG BWG
MM INCHES NO. MM NO. MM
6.35 1/4"        
9.5 3/8"        
12.70 1/2" 10 3.251 10 3.404
15.875 5/8"        
19.05 3/4" 12 2.642 12 2.769
25.40 1" 14 2.032 14 2.108
31.75 11/4"        
38.10 1 1/2" 16 1.626 16 1.651
50.80 2"        
63.50 2 1/2" 18 1.219 18 1.245
76.20 3" 20 0.914 20 0.889
88.90 3 1/2"        
101.60 4"        
NOTE : Other sizes are available on request. Customer are requested to contact us with their specific requirments.
 
     
 
     
 

JNB STEEL INDUSTRIES PVT. LTD. Incorporate in the year of 1995 with the production of 250 tones per Annum.

By 2005/06 Production has Expanded to 3000 tones per annum. All that been floated of young ambitious Enterpreneurs, who are in the business from the last 10 years.

  
     
   
 
Our Quality objectives are:
 
Minimize the customer complaints.
Ensure for improvement in supplier's rating.
Ensure for timely delivery.
Ensure availability of valid calibrated monitoring and measuring instruments.
To Increase the Sales Turnover
   
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