ASTM A270 3A TP304 Food Grade Stainless Steel Seamless Sanitary Tube For Distillation
ASTM A270 TP304 Food Grade Stainless Steel Seamless Sanitary Tubes are designed specifically for process systems requiring high levels of hygiene, such as food processing industry, distillation, beer plant, dairy industry, sugar refinery, medical devices, and so on. Unlike welded tubes, seamless tubes are formed by piercing a solid billet and then cold-drawing or cold-rolling the hollow shell to precise dimensions. This process eliminates any potential weld seam weaknesses, crevices, or contamination sites. The TP304 grade provides excellent corrosion resistance, formability, and cost-effectiveness. Its surface is processed to a high-quality internal and external finish (typically mechanical polished or bright annealed) to prevent bacterial adhesion, facilitate clean-in-place (CIP) and steam-in-place (SIP) procedures, and resist product fouling.
The ASTM A270 TP304 Food Grade Stainless Steel Seamless Sanitary Tube is important tube for hygienic fluid transfer. Its combination of TP304 grade’s seamless construction, cleanable surface finishes makes it the preferred choice for a vast majority of non-chloride-rich food, dairy, beverage, and cosmetic processing applications. For environments with chlorides or higher chemical demands, TP316L is recommended, but for standard sanitary duties, TP304 seamless tubing delivers outstanding reliability, safety, and value. YUHONG GROUP specializes in producing ASTM A270/ASME SA270/3A stainless steel sanitary tubes for more than 30 years. The materials of such sanitary tubes can be TP304/TP304L/TP316/TP316L grades. These sanitary tubes can be manufactured in seamless type or welded type basedon clients' requests. Their outer diameter mainly range from 12.7mm to 152.4mm. We can also customize the special sizes.
Regular Sizes Of Stainless Steel Sanitary Tubes:
| Nominal Size (inches) |
Outer Diameter (mm) |
Common Wall Thickness (mm) |
Typical Length per Piece |
| 1/2" |
12.7 mm |
1.2 mm / 1.5 mm |
6 meters |
| 3/4" |
19.05 mm |
1.2 mm / 1.5 mm |
6 meters |
| 1" |
25.4 mm |
1.5 mm / 2.0 mm |
6 meters |
| 1-1/2" |
38.1 mm |
1.5 mm / 2.0 mm |
6 meters |
| 2" |
50.8 mm |
1.5 mm / 2.0 mm / 2.5 mm |
6 meters |
| 2-1/2" |
63.5 mm |
2.0 mm / 2.5 mm |
6 meters |
| 3" |
76.2 mm |
2.0 mm / 2.5 mm / 3.0 mm |
6 meters |
| 4" |
101.6 mm |
2.0 mm / 2.5 mm / 3.0 mm |
6 meters |
| 6" |
152.4 mm |
2.5 mm / 3.0 mm |
6 meters |
Key Advantages and Features Of Seamless Sanitary Tubes:
- Seamless Construction: No weld seam means no crevice for bacterial growth, no risk of weld corrosion, and uniform grain structure.
- Smooth, Polished Internal Surface: Reduces bacterial adhesion, biofilm formation, and allows easy CIP/SIP cleaning.
- Excellent Corrosion Resistance: TP304 resists a wide range of organic chemicals, food acids (lactic, acetic), dairy products.
- High Temperature Performance
- Good Mechanical Strength
- Formability & Weldability
- Long Service Life
Different Applications Of ASTM A270 TP304 Stainless Steel Sanitary Tubes:
1.Food & Beverage Industry:
Dairy product lines
Beer, wine, and juice processing
Edible oil and fat transfer lines
Sugar, syrup, and chocolate processing
CIP (Clean-in-Place) supply and return lines
2.Pharmaceutical & Biotech:
Purified Water and Water for Injection (WFI) distribution loops
Fermentation vessels and cell culture media transfer
API (Active Pharmaceutical Ingredient) processing lines
Clean steam distribution systems
3.Cosmetic & Personal Care:
Lotion, cream, and shampoo manufacturing lines
High-purity ingredient transfer
4.Semiconductor & High-Purity Chemical:
High-purity gas lines
Sensitive analytical instrumentation
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