Stainless Steel Sanitary Tube

Stainless Steel Sanitary Tube is used for Food, Brewery, Dairy, Beverage and Pharmaceutical Industries, A270 specification specified details on sanitary tube, outside and inside polishing on the ID to 0.8um Ra/OD to 0.5 Ra. healthy, clean, perfect performance, 304, 304L, 316L, 321 and duplex stainless steel.

Basic specification
  • Standard: A270
  • Roughness: 0.2 – 1.6 μm
  • Grades: TP304 / 304L, TP316 / TP316L, TP321 / TP321H, 2205 / S31803, TP310S, 904
  • Surface: polishing
  • >Polishing grit: 180, 240, 320, 400, 600 grit
  • Outside diameter: 12.7 mm – 304 mm
  • Thickness: 0.5 mm – 5 mm
  • Length: specific or random
  • stainless steel sanitary tube

tolerance of A270 Stainless Steel sanitary Tube

OD Tolerance WT Tolerance Length Tolerance
≤ 25.4mm
± 0.13mm
± 12.5%
≤ 101.6mm
+3.2mm-0mm
> 25.4mm, ≤ 50.8mm
± 0.20mm
> 101.6mm
+4.8mm-0mm
> 50.8mm, ≤ 76.2mm
± 0.25mm
> 76.2mm, ≤ 101.6mm
± 0.38mm
> 101.6mm, < 139.7mm
± 0.38mm
> 139.7mm, ≤ 203.2mm
± 0.76mm
> 203.2mm, < 304.8mm
± 1.27mm
Surface Finish Comparison
RMS
(Micro-inch)
RMS
(Micron)
Ra
(Micro-inch)
Ra
(Micron)
Grit Finish
160 4.06 142 3.61 36
98 2.49 87 2.21 60
80 2.03 71 1.80 80
58 1.47 52 1.32 120
47 1.20 42 1.06 150
47 1.20 42 Before
Bead Blast
1.06 USDA
Bead Blast
34 0.86 30 0.76 180
21 0.53 19 0.48 220
17 0.43 15 0.38 240
14 0.36 12 0.30 320
10 0.25 9 0.23 400
5 0.13 4 (+/-) 0.10 Mirror

application of Stainless Steel Sanitary Tube

  • Pharmaceutical, food, beer, drinking water, beverage industries
  • Biological engineering, chemical engineering, pharmaceutical engineering, auto parts
  • air purification,sea water desalting equipment
  • Precision machinery plant, engine plant, chemical machinery, refrigeration machinery