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Stainless Steel Tubes & Pipes Index > Stainless Steel Tubes & Pipes > Stainless Steel Tubes & Pipes
Tubes and pipes are divided into square and round types with different finishing.
Round Welded Tube: 180 grit, 320 grit, 400 grit, 600 grit & Mill finish
Square Welded Tube: 180 grit , 400 grit & Mill finish
Steel type:304,316
Int'l standard: ASTM A554, JIS G3446, CNS5802

Wire will be made according to client’s demand. Please refer to the basic information as follows.
Special requirement is negotiable.
Diameter: 0.1mm ~ 9.0mm
Hardness: 0.1mm
Standard Tolerance:0.01mm.
Surface/ Finish: gold, powder
Steel Type: 304, 316
Application: free cutting, improved machine ability, heading, refractory, general use
‧Square Mill Finish
‧Square 400 Grit
‧Square 180 Grit
‧Round 600 Grit
‧Round 400 Grit
‧Round 320 Grit
Stainless Steel Pipes - JIS G3459 CNS 6331
8 1/4" 13.8 1.2 0.377 0.379 1.65 0.499 0.530 2.0 0.588 0.592 2.2 0.636 0.540
10 3/8" 17.3 1.2 0.481 0.484 1.65 0.643 0.647 2.0 0.762 0.767 2.3 0.859 0.865
15 1/2" 21.7 1.65 0.824 0.829 2.1 1.03 1.03 2.5 1.20 1.20 2.8 1.32 1.33
20 3/4" 27.2 1.65 1.05 1.06 2.1 1.31 1.32 2.5 1.54 1.55 2.9 1.76 1.77
25 1" 34.0 1.65 1.33 1.34 2.8 2.18 2.19 3.0 2.32 2.33 3.4 2.59 2.61
32 1 1/4" 42.7 1.65 1.69 1.70 2.8 2.78 2.80 3.0 2.97 2.99 3.6 3.51 3.53
40 1 1/2" 48.6 1.65 1.93 1.94 2.8 3.19 3.21 3.0 3.41 3.43 3.7 4.14 4.16
50 2" 60.5 2.1 2.42 2.43 2.8 4.02 4.06 3.5 4.97 5.00 3.9 5.50 5.53
65 2 1/2" 76.3 2.1 3.88 3.91 3.0 5.48 5.51 3.5 6.35 6.39 5.2 9.21 9.29
80 3" 89.1 2.1 4.55 4.58 3.0 6.43 6.48 4.0 8.48 8.53 5.5 11.5 11.5
90 3 1/2" 101.6 2.1 5.20 2.24 3.0 7.37 7.42 4.0 9.72 9.79 5.7 13.6 13.7
100 4" 114.3 2.8 5.87 5.91 3.0 8.32 8.37 4.0 11.0 11.1 6.0 16.2 16.3
125 5" 139.8 2.8 9.56 9.62 3.4 11.6 11.6 5.0 16.3 16.9 6.6 21.9 22.0
150 6" 165.2 2.8 11.3 11.4 3.4 13.7 13.8 5.0 20.0 20.1 7.1 28.0 28.1
200 8" 216.3 2.8 14.9 15.0 4.0 21.2 21.3 6.5 34.0 34.2 8.2 42.5 42.8
250 10" 267.4 3.4 22.4 22.5 4.0 26.2 26.4 6.5 42.2 42.5 9.3 59.8 60.2
300 12" 318.5 4.0 31.3 31.5 4.5 35.2 35.4 6.5 50.5 50.8 10.3 79.1 79.6
Stainless Steel Pipes - ASTM A312 A358 A778 ANSI B36.19
8 1/4" 13.72       1.65 0.50 0.50 2.24 0.64 0.64
10 3/8" 17.15       1.65 1.65 0.64 2.31 0.85 0.86
15 1/2" 21.34 1.65 0.81 0.81 2.11 1.01 1.02 2.77 1.28 1.29
20 3/4" 26.67 1.65 1.03 1.03 2.11 1.29 1.30 2.87 1.70 1.71
25 1" 33.40 1.65 1.31 1.31 2.77 2.11 2.13 3.38 2.53 2.54
32 1 1/4" 42.16 1.65 1.67 1.68 2.77 2.72 2.74 3.56 3.42 3.45
40 1 1/2" 48.26 1.65 1.92 1.93 2.77 3.14 3.16 3.68 4.09 4.11
50 2" 60.33 1.65 2.41 2.43 2.77 3.97 4.00 3.91 5.50 5.53
65 2 1/2" 73.03 2.11 3.73 3.75 3.05 5.32 5.35 5.16 8.72 8.78
80 3" 88.09 2.11 4.56 4.59 3.05 6.52 6.56 5.49 11.4 11.5
90 3 1/2" 101.60 2.11 5.23 5.23 3.05 7.49 7.54 5.74 13.7 13.8
100 4" 114.30 2.11 5.90 5.90 3.05 8.45 8.51 6.02 16.2 16.3
125 5" 141.30 2.77 9.56 9.56 3.40 11.7 11.8 9.55 22.0 22.1
150 6" 168.28 2.77 11.4 11.4 3.40 14.0 14.1 7.11 28.5 28.7
200 8" 219.08 2.77 14.9 14.9 3.76 20.2 20.3 8.18 43.0 43.2
250 10" 273.05 3.40 22.8 22.8 4.19 28.1 28.2 9.27 60.9 61.3
300 12" 323.85 3.96 31.6 31.6 4.57 36.3 36.6 9.52 74.5 75.0
350 14" 355.60 3.96 34.7 34.7 4.78 41.8 42.0      
400 16" 406.40 4.19 42.0 42.0 4.78 47.8 48.1      
450 18" 457.20 4.19 47.3 47.3 4.78 53.9 54.2      
500 20" 508.00 4.78 59.9 59.9 5.54 69.3 69.8      
550 22" 558.80 4.78 66.0 66.0 5.54 76.4 76.8      
600 24" 609.60 5.54 83.4 119.5 6.35 95.4 96.0      
750 30" 762.00 6.35 119.5 119.5 7.92 148.8 149.7      
Stainless Steel Rectangular Tubes
Outside Diameter Thickness (mm)
inch mm 0.8 0.9 1.0 1.2 1.5 2.0 2.5 3.0
13 x 26                
14 x 31                
15 x 30                
20 x 40                
25 x 50                
26 x 40                
30 x 60                
36 x 64                
40 x 80                
45 x 75                
45 x 95                
50 x 100                
80 x 180                
Stainless Steel Square Tubes
Outside Diameter Thickness (mm)
inch mm 0.6 0.7 0.8 0.9 1.0 1.2 1.5 2.0 3.0
1/2" x 1/2" 12.7 x 12.7                  
  18.0 x 18.0                  
3/4" x 3/4" 19.0 x 19.0                  
  20.0 x 20.0                  
7/8" x 7/8" 22.2 x 22.2                  
1" x 1" 25.4 x 25.4                  
  30.0 x 30.0                  
1 1/4"x1 1/4" 31.8 x 31.8                  
1 1/2"x1 1/2" 38.1 x 38.1                  
  40.0 x 40.0                  
  50.0 x 50.0                  
2" x 2" 50.8 x 50.8                  
  60.0 x 60.0                  
  70.0 x 70.0                  
  80.0 x 80.0                  
  90.0 x 90.0                  
  100.0 x 100.0                  
Stainless Steel Tubes for Mechanical and Structural Purposes - ASTM A554 JIS G3446 CNC 5802
Outside Diameter Thickness (mm)
inch mm
0.6mm 0.7mm 0.8mm 0.9mm 1.0mm 1.2mm 1.5mm 2.0mm 3.0mm 3.0mm
0.0236in 0.0276in 0.0315in 0.0354in 0.0393in 0.0475in 0.0590in 0.0787in 0.0980in 0.1180in
3/8" 9.5                    
1/2" 12.7                    
5/8" 15.9                    
3/4" 19.0                    
7/8" 22.2                    
1" 25.4                    
1 1/8" 28.6                    
1 1/4" 31.8                    
1 1/2" 38.1                    
2" 50.8                    
2 1/2" 63.5                    
3" 76.2                    
3 1/2" 88.9                    
4" 101.6                    
4 1/2" 114.3                    
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