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Sanitary ASTM A270 Tubing for Food, Beverage and Dairy Process Lines (40″ Precut)
- Bright Annealed Polished Sanitary Tubing ASTM A270
- Available in 316L Stainless Steel
- Stamped with Heat Lot Number
- Manufactured in accordance with 3A Standards for sanitary line process requirements
Engineered for Hygienic Excellence in Critical Industries
Our ASTM A270 sanitary stainless steel tubing is expertly produced for applications that require cleanliness and dependability. Formed with smooth 316/316L stainless steel with a shine electropolished surface (Ra ≤15 µin), this tubing conform to high specifications such as:
- Food & Beverage: Dairy processing, brewery transfer lines, juice production.
- Pharmaceutical: Sterile API manufacturing, vaccine production.
- Biotech: Fermentation systems, cell culture media transfer.
- Compliance: ASTM A270, 3-A Sanitary Standard
Solve These Industry Challenges
“Bacterial Buildup in Rough Surfaces”
Electropolished Finish: Smooth interior prevents biofilm formation, providing CIP/SIP efficiency.
“Corrosion in Acidic Environments”
316L Grade: Resists nitric acid, caustic cleaners, and chloride solutions.
“Compliance Failures During Audits”
Full Documentation: Mill test reports (EN 10204 3.1) and 3-A certificates included.
“Long Lead Times for Custom Sizes”
Rapid Turnaround: Standard sizes ship in 24hrs; custom cuts (1/2" to 6") in 5 days.
Dimension of ASTM A270
| Tube OD | Nominal Wall Thickness (inches) |
Gage Number |
Wt. Pounds per Ft. |
|||||||
| ½" | 0.065 | 16 | 0.31 | |||||||
| ¾" | 0.065 | 16 | 0.49 | |||||||
| 1" | 0.065 | 16 | 0.67 | |||||||
| 1½" | 0.065 | 16 | 1.02 | |||||||
| 2" | 0.065 | 16 | 1.36 | |||||||
| 2½" | 0.065 | 16 | 1.71 | |||||||
| 3" | 0.065 | 16 | 2.06 | |||||||
| 4" | 0.083 | 14 | 3.45 | |||||||
| 6" | 0.109 | 12 | 6.92 | |||||||
Operating Pressure
304 Stianless Steel Tube (ASTM A270 Tubing)
| Tube OD Size | Nominal Wall Thickness (inches) | Pressure (PSI) | ||||||
| working | yield | burst | ||||||
| ½" | 0.065 | 4,870 | 7,800 | 19,500 | ||||
| ¾" | 0.065 | 3,250 | 5,200 | 13,000 | ||||
| 1" | 0.065 | 2,440 | 3,900 | 9,800 | ||||
| 1½" | 0.065 | 1,630 | 2,600 | 6,500 | ||||
| 2" | 0.065 | 1,220 | 2,000 | 4,900 | ||||
| 2½" | 0.065 | 980 | 1,600 | 3,900 | ||||
| 3" | 0.065 | 810 | 1,300 | 3,300 | ||||
| 4" | 0.083 | 780 | 1,200 | 3,100 | ||||
| 6" | 0.109 | 680 | 1,090 | 2,720 | ||||
• material: 304
• yield strength (PSI): 30,000
• tensile strength (PSI): 75,000
Working Pressure = ¼ of Burst Pressure, these calculate from -20°F to 100°F.
316L Stianless Steel Tube (ASTM A270 Tubing)
| Tube OD Size | Nominal Wall Thickness (inches) | Pressure (PSI) | ||||||||
| working | yield | burst | ||||||||
| ½" | 0.065 | 3,250 | 6,500 | 19,500 | ||||||
| ¾" | 0.065 | 2,167 | 4,330 | 13,000 | ||||||
| 1" | 0.065 | 2,280 | 3,300 | 9,100 | ||||||
| 1½" | 0.065 | 1,520 | 2,200 | 6,100 | ||||||
| 2" | 0.065 | 1,140 | 1,600 | 4,600 | ||||||
| 2½" | 0.065 | 910 | 1,300 | 3,600 | ||||||
| 3" | 0.065 | 760 | 1,100 | 3,000 | ||||||
| 4" | 0.083 | 730 | 1,000 | 2,900 | ||||||
| 6" | 0.109 | 635 | 900 | 2,540 | ||||||
• material: 316L
• yield strength (PSI): 25,000
• tensile strength (PSI): 70,000
Working Pressure = ¼ of Burst Pressure, these calculate from
-20°F to 100°F.
Dimensional Tolerances
| Size OD | Tolerances, OD | Wall thickness | Tolerances on wall thickness a) | Tolerances on Length | Weight Kg/M | ||||||
| 1/2" (12.7) | +/-0.005" (0.13) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 0.4571 | ||||||
| 3/4" (19.1) | +/-0.005" (0.13) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 0.7218 | ||||||
| 1" (25.4) | +/-0.005" (0.13) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 0.9824 | ||||||
| 1-1/4" (31.8) | +/-0.008" (0.20) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 1.2412 | ||||||
| 1-1/2" (38.1) | +/-0.008" (0.20) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 1.5078 | ||||||
| 2" (50.8) | +/-0.008" (0.20) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 2.0331 | ||||||
| 2-1/2" (63.5) | +/-0.010" (0.25) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 2.5585 | ||||||
| 3" (76.2) | +/-0.010" (0.25) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 3.0797 | ||||||
| 4" (101.6) | +/-0.015" (0.38) | 0.065" (1.65) | +/-10.0% | +1/8" (3.18) | 5.2628 | ||||||
| 6" (152.4) | +/-0.030" (0.76) | 0.083" (2.11) | +/-10.0% | +3/16" (4.8) | 7.9116 | ||||||
| 6" (152.4) | +/-0.030" (0.76) | 0.109" (2.77) | +/-10.0% | +3/16" (4.8) | 10.3909 | ||||||
| 8" (203.2) |
+0.061" (1.55) - 0.031" (0.79) |
0.109" (2.77) | +/-10.0% | +3/16" (4.8) | 13.9166 | ||||||
***Uniform wall thickness for 1/2" through 3" size measure.065(16ga). In 4"Size, wall thickness measures .083(14ga),6" and 8" .109(12ga).
Chemical Composition
ASTM A270 tubing in sanitary steel grades 304 and 316L. In food and beverage processing environments, equipment comes into contact with a variety of substances, including acidic or alkaline solutions, salts, and cleaning agents.
|
Elements |
304 (wt%) |
304L (wt%) |
316L (wt%) |
|
|
(C) |
Carbon, Max. |
0.080 |
0.035 |
0.035 |
|
(Mn) |
Manganese, Max. |
2.00 |
2.00 |
2.00 |
|
(P) |
Phosphorus, Max. |
0.040 |
0.040 |
0.040 |
|
(S) |
Sulfur, Max. |
0.030 |
0.030 |
0.030** |
|
(Si) |
Silicon, Max. |
0.75 |
0.75 |
0.75 |
|
(Ni) |
Nickel |
8.0–11.0 |
8.0–13.0 |
10.0–15.0 |
|
(Cr) |
Chromium |
18.0–20.0 |
18.0–20.0 |
16.0–18.0 |
|
(Mo) |
Molybdenum |
N/A |
N/A |
2.0–3.0 |
|
(Fe) |
Iron |
Bal. |
Bal. |
Bal. |
|
(Cu) |
Copper |
N/A |
N/A |
N/A |
|
(N) |
Nitrogen |
N/A |
N/A |
N/A |
Key Advantages of Our ASTM A270 Sanitary Tubing
Applications & Industries
Frequently Asked Questions
What does the Ra ≤15 µin surface finish mean in practice?
This implies that the inner surface is much smoother than traditional sanitary tubing (which normally has a value of about 32 Ra). The extremely smooth surface of the tubing lowers friction, prevents sedimentation of particles, and makes the process of controlling contamination easier. In situations that require intricateness and high purity, such as vaccine production, this finish is frequently obligatory in order to receive the desired results of rinse tests.
Can I use 304 instead of 316L for my dairy line?
In reality, 304 is appropriate for many uses in the dairy industry, particularly when less harsh cleaning solutions are used. On the other hand, if you are using chlorine sanitizing agents or running waters with high chloride levels (such as those coming from coastal locations), 316L will last much longer. We can provide you with both alloys, so consult our sales team for advice on the best choice depending on your unique chemical circumstances.
How do I weld this tubing without losing the electropolished finish?
Purge-gas orbital welding is recommended to achieve a smooth pipe surface, and post-welding electropolishing at the legal area of the weld seam is feasible. We provide welding techniques and flooring-preparation sets which prevent contamination of the heat-affected area.
What's the lead time for custom lengths under 40″?
We can offer cuts that measure anywhere from one foot to forty feet in length, and we guarantee that the ends will be deburred. We will make sure that your order is shipped in a timely manner and, in the case of urgency, reach out to our representatives for an expedited turnaround of 2-3 days for smaller orders.
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