| 
                      Sanitary Tube 
Size: 
ASTM A 790 
 
| Outside diameter | 
Thickness(mm) |  
| (inch) | 
(mm) | 
1     | 
1.5 | 
   2  | 
 2.5 | 
3     |  
| 3/4' | 
19.1 | 
  | 
  | 
  | 
  | 
  |  
| 7/8' | 
22.2 | 
  | 
  | 
  | 
  | 
  |  
| 1' | 
25.4 | 
  | 
  | 
  | 
  | 
  |  
| 1-1/8' | 
28.6 | 
  | 
  | 
  | 
  | 
  |  
| 1-1/4' | 
31.8 | 
  | 
  | 
  | 
  | 
  |  
| 1-1/2' | 
38.1 | 
  | 
  | 
  | 
  | 
  |  
|   | 
40 | 
  | 
  | 
  | 
  | 
  |  
|   | 
45 | 
  | 
  | 
  | 
  | 
  |  
| 2 | 
50.8 | 
  | 
  | 
  | 
  | 
  |  
|   | 
52 | 
  | 
  | 
  | 
  | 
  |  
| 2-1/4' | 
57.15 | 
  | 
  | 
  | 
  | 
  |  
| 2-1/8' | 
60.3 | 
  | 
  | 
  | 
  | 
  |  
| 2-1/2' | 
63.5 | 
  | 
  | 
  | 
  | 
  |  
|   | 
70 | 
  | 
  | 
  | 
  | 
  |  
| 3 | 
76.2 | 
  | 
  | 
  | 
  | 
  |  
|   | 
85 | 
  | 
  | 
  | 
  | 
  |  
| 3-1/2' | 
88.9 | 
  | 
  | 
  | 
  | 
  |  
| 4' | 
101.6 | 
  | 
  | 
  | 
  | 
  |  
| 4-1/8' | 
104.78 | 
  | 
  | 
  | 
  | 
  |  
| 4-1/4' | 
107.95 | 
  | 
  | 
  | 
  | 
  |  
| 4-1/2' | 
114.3 | 
  | 
  | 
  | 
  | 
  |  
| 5-1/4' | 
133.35 | 
  | 
  | 
  | 
  | 
  |  
| 6-1/4' | 
158.75 | 
  | 
  | 
  | 
  | 
  |  
| 8-5/8' | 
219.08 | 
  | 
  | 
  | 
  | 
  |   
ISO2037;DIN11850 
 
| ISO2037 | 
OD | 
21.30 | 
25.40 | 
33.70 | 
38.10 | 
40.00 | 
50.80 | 
63.50 | 
70.00 | 
76.30 | 
88.90 | 
101.60 | 
114.30 | 
139.70 | 
168.30 |  
| T | 
1.00 | 
1.20 | 
1.20 | 
1.50 | 
1.50 | 
1.50 | 
2.00 | 
2.00 | 
2.00 | 
2.00 | 
2.00 | 
2.00 | 
2.00 | 
2.60 |  
| DIN11850 | 
Nom.Size | 
20.00 | 
25.00 | 
32.00 | 
  | 
40.00 | 
50.00 | 
  | 
65.00 | 
  | 
80.00 | 
100.00 | 
125.00 | 
  | 
150.00 |  
| OD | 
23.00 | 
29.00 | 
36.00 | 
  | 
41.00 | 
54.00 | 
  | 
70.00 | 
  | 
85.00 | 
104.00 | 
129.00 | 
  | 
154.00 |  
| T | 
1.50 | 
1.50 | 
1.50 | 
  | 
1.50 | 
1.50 | 
  | 
2.00 | 
  | 
2.00 | 
2.00 | 
2.00 | 
  | 
2.00 |   
Tolerances on dimensions table:  
  
 
| Outside diameter | 
Thickness | 
Length |  
| <25.40mm | 
             ±0.13mm              | 
±10.00% | 
 OD<101.60mm +3.20mm -0mm 
OD≥101.60mm +4.80 -0mm  |  
| ≥25.40mm~50.80mm | 
±0.20mm |  
| ≥50.80mm~76.20mm | 
±0.25mm |  
| ≥76.20mm~101.60mm | 
±0.38mm |  
| ≥101.60mm~139.70mm | 
±0.38mm |  
| ≥139.70mm~203.20mm | 
±0.76mm |  
| ≥203.20mm~304.80mm | 
±1.27mm |   
  
Surface: Sanitary Surface 
Standard:ASTM A 270;ISO 2037;DIN11850 
Material:304/304L,316L,321, 409L,410,420,430, UNS31803,USNS32205/2205,UNS32750/2507 etc. 
					 
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