3A ASME SA270 TP304 Sanitary Stainless Steel Seamless Tube For Sugar Industry BA MP EP
ASTM A270 TP304 sanitary tubes are austenitic stainless steel tubes which can be seamless or welded. In addition to TP304 grade, the materials can also be TP304L, TP316, TP316L grades. The regular diameter sizes of stainless steel saniitary tubes range from 6.35mm to 152.4mm. The wall thickness is mainly from 0.5mm to 3.4mm. These sanitary tubes generally cut into 6 meter per length, while they can be cut based on clients requests. Stainless steel sanity finish has different surface finish type, like bright annealed, mechanical polished, electropolished. YUHONG GROUP specially provides ASTM A270 stainless steel sanitary tubes with high quality for many years. We have strict quality control from material preparation to tube package.
ASTM A270 TP304/304L/316/316L sanitary tubes are specifically tailored for the food, dairy, beverage, pharmaceutical, biotechnology, and cosmetic industries. Unlike standard tubing (e.g., ASTM A213), A270 imposes stricter requirements on:
- Surface Finish (ID & OD): The inside diameter (ID) must be smooth (often mechanically polished or bright annealed) to prevent bacterial adhesion and allow for effective Clean-in-Place (CIP) and Steam-in-Place (SIP) procedures.
- Dimensional Precision: Tighter tolerances on outer diameter (OD) and wall thickness to ensure compatibility with sanitary clamps (Tri-Clamp), ferrule fittings, and automatic welding systems.
- Cleanliness: Tubes are supplied free from contaminants, oils, and loose particles.
Regular Sizes:
| Nominal Size (Inch) |
Outer Diameter (OD) |
Typical Wall Thickness (WT) |
| 1/2" |
12.70 mm |
1.20 mm (0.049") |
| 3/4" |
19.05 mm |
1.20 mm (0.049") |
| 1" |
25.40 mm |
1.20 mm / 1.65 mm |
| 1.5" |
38.10 mm |
1.20 mm / 1.65 mm |
| 2" |
50.80 mm |
1.20 mm / 1.65 mm / 2.11 mm |
| 2.5" |
63.50 mm |
1.65 mm / 2.11 mm |
| 3" |
76.20 mm |
1.65 mm / 2.11 mm |
| 4" |
101.60 mm |
2.11 mm (0.083") |
| 6" |
152.40 mm |
2.11 mm / 2.77 mm |
| 8" |
203.20 mm |
2.77 mm / 3.05 mm |
Key Advantages & Features of ASTM A270 TP304 Seamless Sanitary Tubes:
- No Longitudinal Weld Seam – The Ultimate Hygienic Feature
- Excellent Corrosion Resistance in Sanitary Environments
- Superior Internal Surface Finish
- Consistent Wall Thickness & Pressure Integrity
- Ease of Fabrication & Installation
- Long Service Life & Lower Lifecycle Cost
- Wide Temperature Range Suitability
- Higher Pressure Rating
Different Applications of ASTM A270 TP304 Sanitary Tube:
A.Food & Beverage Industry
Dairy processing (milk, cream, yogurt lines)
Breweries & wineries (beer, wine, spirits transfer)
Soft drink & juice production
Edible oils, syrups, sauces, purees
Chocolate & confectionery
B. Pharmaceutical & Biotechnology
WFI (Water For Injection) distribution loops
Purified water (PW) and highly purified water (HPW)
Sterile product transfer lines
Fermentation vessels (bioreactors) – feed & harvest lines
CIP (Clean-in-Place) and SIP (Steam-in-Place) supply lines
C. Cosmetics & Personal Care
Lotion, cream, shampoo, gel processing lines
High-purity ingredient transfer
D. Semiconductor & Electronics
Ultrapure water (UPW) systems
High-purity chemical distribution
E. Chemical & Fine Chemical
High-purity solvents and reagents
Corrosive fluid handling where metal ion release is prohibited
F. Medical Devices
Oxygen lines in hospital gas systems
Surgical instrument cleaning systems
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