ASTM A269 / A213 22 SWG Bright Annealed Sanitary Tube , Cold Drawn Tubing PED & ISO9001
Bright annealed sanitary tube has very clean inner surface . MTSCO has our own high technology , when tubes have been produced they already have cleaned inner surface , even though we haven’t cleaned them . Of cause , we’ll do clean later . So when we finished clean process , the tubes are totally clean enough !
MTSCO tubes can be used in General service industries ( petroleum , food , chemical , paper , fertilizer , fabric , aviation and nuclear ) , fuild & gas & oil transport industries , pressure and heat transmission industries , construction and ornament industries , boiler and heat exchangers industries , decorative usage ( road lamp facilities , bridge handrail , expressway railing , bus stop , airport and gymnasium ) etc .
Application :
1 . General service industries ( petroleum , food , chemical , paper , fertilizer , fabric , aviation and nuclear )
2 . Fluid , gas and oil transport
3 . Pressure and heat transmission
4 . Construction and ornament
5 . Boiler and heat exchangers
6 . Decorative usage ( road lamp facilities , bridge handrail , expressway railing , bus stop , airport and gymnasium )
| Stanard Wire Gauge ( Fomerly Imperial Wire Gauge ) SWG | |||||
| SWG | Wall Thickness | SWG | Wall Thickness | ||
| 0 | 0.324 | 8.23 | 21 | 0.032 | 0.81 | 
| 1 | 0.3 | 7.62 | 22 | 0.028 | 0.71 | 
| 2 | 0.276 | 7.01 | 23 | 0.024 | 0.61 | 
| 3 | 0.252 | 6.4 | 24 | 0.022 | 0.56 | 
| 4 | 0.232 | 5.89 | 25 | 0.02 | 0.51 | 
| 5 | 0.212 | 5.38 | 26 | 0.018 | 0.46 | 
| 6 | 0.192 | 4.88 | 27 | 0.0164 | 0.42 | 
| 7 | 0.176 | 4.47 | 28 | 0.0148 | 0.38 | 
| 8 | 0.16 | 4.06 | 29 | 0.0136 | 0.35 | 
| 9 | 0.144 | 3.66 | 30 | 0.0124 | 0.31 | 
| 10 | 0.128 | 3.25 | 31 | 0.0116 | 0.29 | 
| 11 | 0.116 | 2.95 | 32 | 0.0108 | 0.27 | 
| 12 | 0.104 | 2.64 | 33 | 0.01 | 0.25 | 
| 13 | 0.092 | 2.34 | 34 | 0.0092 | 0.23 | 
| 14 | 0.08 | 2.03 | 35 | 0.0084 | 0.21 | 
| 15 | 0.072 | 1.83 | 36 | 0.0076 | 0.19 | 
| 16 | 0.064 | 1.63 | 37 | 0.0068 | 0.17 | 
| 17 | 0.056 | 1.42 | 38 | 0.006 | 0.15 | 
| 18 | 0.048 | 1.22 | 39 | 0.0052 | 0.13 | 
| 19 | 0.04 | 1.02 | 40 | 0.0048 | 0.12 | 
| 20 | 0.036 | 0.91 | |||
