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Big size steel pipes supplier

PIC-(Big size steel pipes supplier)
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Thickness of Line pipes for different standard
large diameter seamless steel pipes in China now had been up to 26 inches.

钢管外径与壁厚标准 (美标,日标,德标)            
STEEL PIPE OUTER DIAMETER AND WALL THICKNESS STANDARDS(ASTE, JIS DIN)
Norminal Pipe Size Out side Diameter NORMINAL WALL THICKNESS
A B ASME JIS DIN JIS(1) DIN(2) Sch10 sch20 sch30 STD Sch40 Sch60
15 1/2" 21.3 21.7 21.3 2.8 2 2.11   2.41 2.77 2.77  
20 3/4" 26.7 27.2 26.9 2.8 2.3 2.11   2.41 2.87 2.87  
25 1" 33.4 34 33.7 3.2 2.6 2.77   2.9 3.38 3.38  
32 1-1/4" 42.2 42.7 42.4 3.5 2.6 2.77   2.97 3.56 3.56  
40 1-1/2" 48.3 48.6 48.3 3.5 2.6 2.77   3.18 3.68 3.68  
50 2" 60.3 60.5 60.3 3.8 2.9 2.77   3.18 3.91 3.91  
65 2-1/2" 73 76.3 76.1 4.2 2.9 3.05   4.78 5.16 5.16  
80 3" 88.9 89.1 88.9 4.2 3.2 3.05   4.78 5.49 5.49  
90 3-1/2" 102 101.6   4.2   3.05   4.78 5.74 5.74  
100 4" 114.3 114.3 114.3 4.5 3.6 3.05   4.78 6.02 6.02  
125 5" 141.3 139.8 139.7 4.5 4 3.4     6.55 6.55  
150 6" 168.3 165.2 168.3 5 4.5 3.4 4.5   7.011 7.011  
200 8" 219.1 216.3 219.1 5.8 6.3 3.76 6.35 7.04 8.18 8.18 10.31
250 10" 273 267.4 273.0 6.6 6.3 4.19 6.35 7.8 9.27 9.27 12.7
300 12" 323.8 318.5 323.9 6.9 7.1 4.57 6.35 8.38 9.53 10.31 14.27
350 14" 355.6 355.6 355.6 7.9 8 6.35 7.92 9.53 9.53 11.13 15.09
400 16" 406.4 406.4 406.4 7.9 8.8 6.35 7.92 9.53 9.53 12.7 16.66
450 18" 457.2 457.2 457 7.9 10 6.35 7.92 11.13 9.53 14.27 19.05
500 20" 508.8 508 508 7.9 11 6.35 9.53 12.7 9.53 15.09 20.62
550 22" 558.8 558.8       6.35 9.53 12.7 9.53   22.23
600 24" 609.6 609.6 610   12.5 6.35 9.53 14.27 9.53 17.48 24.61
650 26" 660.4 660.4       7.92 12.7   9.53    
700 28" 711.2 711.2 711   12.5 7.92 12.7   9.53    
750 30" 762 762       7.92 12.7   9.53    
800 32" 812.8 812.8 813   12.5 7.92 12.7   9.53 17.48  
850 34" 863.6 863.6       7.92 12.7   9.53 17.48  
900 36" 812.8 812.8 914   12.5 7.92 12.7   9.53 19.05  
950 38" 965.2 965.2             9.53    
1000 40" 1016.0 1016.0 1016   12.50       9.53    
1200 48" 1219.2 1219.2 1220           9.53    
STEEL PIPE OUTER DIAMETER AND WALL THICKNESS STANDARDS(ASTE, JIS DIN)
Norminal Pipe Size Out side Diameter NORMINAL WALL THICKNESS
A B ASME JIS DIN XS Sch80 Sch100 Sch120 Sch140 Sch160 XXS  
15 1/2" 21.3 21.7 21.3 3.73 3.73       4.78 7.47  
20 3/4" 26.7 27.2 26.9 3.91 3.91       5.56 7.82  
25 1" 33.4 34 33.7 4.55 4.55       6.35 9.09  
32 1-1/4" 42.2 42.7 42.4 4.85 4.85       6.35 9.7  
40 1-1/2" 48.3 48.6 48.3 5.08 5.08       7.14 10.15  
50 2" 60.3 60.5 60.3 5.54 5.54       8.74 11.07  
65 2-1/2" 73 76.3 76.1 7.01 7.01       9.53 14.02  
80 3" 88.9 89.1 88.9 7.62 7.62       11.13 15.24  
90 3-1/2" 102 101.6   8.08 8.08            
100 4" 114.3 114.3 114.3 8.56 8.56   11.13   13.49 17.12  
125 5" 141.3 139.8 139.7 9.53 9.53   12.7   15.88 19.05  
150 6" 168.3 165.2 168.3 10.97 10.97   14.27   18.26 21.95  
200 8" 219.1 216.3 219.1 12.7 12.7 15.09 18.26 20.62 23.01 22.23  
250 10" 273 267.4 273.0 12.7 15.09 18.26 21.44 25.4 28.58 25.4  
300 12" 323.8 318.5 323.9 12.7 17.48 21.44 25.4 28.58 33.32 25.4  
350 14" 355.6 355.6 355.6 12.7 19.05 23.83 27.79 31.75 35.71    
400 16" 406.4 406.4 406.4 12.7 21.44 26.19 30.96 36.53 40.49    
450 18" 457.2 457.2 457 12.7 23.83 29.36 34.93 39.67 45.24    
500 20" 508.8 508 508 12.7 26.19 32.54 38.1 44.45 50.01    
550 22" 558.8 558.8   12.7 28.58 34.93 41.28 47.63 53.98    
600 24" 609.6 609.6 610 12.7 30.96 38.89 46.02 52.37 59.54    
650 26" 660.4 660.4   12.7              
700 28" 711.2 711.2 711 12.7              
750 30" 762 762   12.7              
800 32" 812.8 812.8 813 12.7   JIS G3452 ASME B36.10M    
850 34" 863.6 863.6   12.7   JIS G3454 DIN 2448      
900 36" 812.8 812.8 914 12.7   JIS G3455 DIN 2458      
950 38" 965.2 965.2   12.7   JIS G3457        
1000 40" 1016.0 1016.0 1016 12.7              
1200 48" 1219.2 1219.2 1220 12.7