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Stainless steel sanitary tube
What is ASTM A270 sanitary tubing?
A270 specification standardizes the tubes for various sanitary applications. The Stainless Steel Sanitary Tube is available in both welded and seamless variants and grades like 304, 304L, 3016, 316L, etc. The ASTM A270 Sanitary Tubing has a special surface finish and are used in industries like dairy & food, bio processing equipment, etc. Their smooth surface ensures there are no pores present which can accumulate material build up or bacteria. All these tubes are supplied after hot treatment.
ASTM A270 TP 304 tubing and 316 stainless steel sanitary tube manufacturer in India
What is BPE stainless steel tubing?
The BPE Stainless Steel Tubing have high purity and are manufactured according to the ASTM A270 standard. These tubes are generally made from cold rolled strips of different ss grades. Their chemical elements are controlled for improving the weldability. The ASME BPE Pipe is also bright annealed in a controlled atmosphere as it help preserve maximum structural integrity.
NORSOK Approved BPE stainless steel tubing and SS sanitary tubing supplier in Gujarat
Stainless Steel Sanitary Tube
ASTM A270 Sanitary Tubing
BPE Stainless Steel Tubing
Advantages of 304L sanitary tubes
304L grade is the low carbon version of the 304 ss and hence very similar to 304 Stainless Steel Sanitary Tubing. They show good corrosion resistance in oxidizing environment and encourage carbon precipitation elimination during welding. They are moderately resistant to aggressive organic acids. The material do not require weld annealing, except in high stress applications.
We supply standard and custom cut sizes of ASME BPE pipe and ASTM A270 tubes that fits in various applications
Table of Contents
- Specifications of ASTM A270 sanitary tubing
- SS sanitary tube types
- BPE stainless steel tubing tolerance
- Sanitary stainless steel tubing sizes
- ASTM A270 tubing chemical composition
- Stainless steel dairy tubing mechanical properties
- Equivalent of ASTM A270 tubes
- Stainless steel sanitary tube pressure rating
- Stainless steel sanitary tubing dimensions
Specifications of ASTM A270 sanitary tubing
| Standards | OD | Wall thickness |
|---|---|---|
| ASTM A270 / ASME SA 270 | 1/2” | 16 Gauge (0.065”) |
| Length | OD Tolerance | WT Tolerance |
| 20′ | +/-0.005” / +/-0.13MM | +/-10% |
| Length Tolerance | Grades | Finish |
| +1/8” / +3.18MM | SS 304, SS 304L,SS 316,SS 316L | 20Ra ID / 32Ra OD |
| Type | Packing | Mill Test Certificate |
| Seamless | Sleeved, Ends Capped, Wooden Boxed | EN10204 3.1 |
Explore the ASTM A270 sanitary tubing and Hygienic/ Sanitary stainless steel tubing price list and ensure quality with third-party inspection in Gujarat, India
SS sanitary tube types
ASTM A270 Tubing
ASME BPE Pipe
ASTM A270 Tubes
A270 Sanitary Stainless Steel Tubing
Sanitary Stainless Steel Tubing
Hygienic Stainless Steel Tubing
316 Stainless Steel Sanitary Tubing
304 Stainless Steel Sanitary Tubing
Stainless Steel Dairy Tubing
SS Sanitary Tubing
316L Sanitary Tubing
304L Sanitary Tubes
Check chemical composition and weight chart of 304 stainless steel sanitary tubing and ASTM A270 TP304L tube as per ASME B46.1, 3A, A270, A270-S2
BPE stainless steel tubing tolerance
| Size OD | Outside Diameter Tolerance | Nominal Wall Thickness | Wall Thickness Tolerance | Length Tolerance | ||||
|---|---|---|---|---|---|---|---|---|
| (in) | (mm) | (in) | (mm) | (in) | (mm) | (%) | (in) | (mm) |
| ½ | 12.7 | +/-0.005 | +/-0.13 | 0.065 | 1.65 | +/-10.0% | +⅛, -0 | +3.18, -0 |
| ¾ | 19.1 | +/-0.005 | +/-0.13 | 0.065 | 1.65 | +/-10.0% | +⅛, -0 | +3.18, -0 |
| 1 | 25.4 | +/-0.005 | +/-0.13 | 0.065 | 1.65 | +/-10.0% | +⅛, -0 | +3.18, -0 |
| 1½ | 38.1 | +/-0.008 | +/-0.20 | 0.065 | 1.65 | +/-10.0% | +⅛, -0 | +3.18, -0 |
| 2 | 50.8 | +/-0.008 | +/-0.20 | 0.065 | 1.65 | +/-10.0% | +⅛, -0 | +3.18, -0 |
| 2½ | 63.5 | +/-0.010 | +/-0.25 | 0.065 | 1.65 | +/-10.0% | +⅛, -0 | +3.18, -0 |
| 3 | 76.2 | +/-0.010 | +/-0.25 | 0.065 | 1.65 | +/-10.0% | +⅛, -0 | +3.18, -0 |
| 4 | 101.6 | +/-0.015 | +/-0.38 | 0.083 | 2.11 | +/-10.0% | +⅛, -0 | +3.18, -0 |
| 6 | 152.4 | +/-0.030 | +/-0.76 | 0.109 | 2.77 | +/-10.0% | +1, -0 | +25.4, -0 |
| 8 | 203.2 | +0.061 -0.031 | +1.55 -0.79 | 0.109 | 2.77 | +/-10.0% | +1, -0 | +25.4, -0 |
Sanitary stainless steel tubing sizes
| Tube OD | Grade | Thikness |
| 1/2 | 304 | 0.065 |
| 1/2 | 316 | 0.065 |
| 3/4 | 304 | 0.065 |
| 3/4 | 316 | 0.065 |
| 1 | 304 | 0.065 |
| 1 | 316 | 0.065 |
| 1 1/2 | 304 | 0.065 |
| 1 1/2 | 316 | 0.065 |
| 2 | 304 | 0.065 |
| 2 | 316 | 0.065 |
| 2 1/2 | 304 | 0.065 |
| 2 1/2 | 316 | 0.065 |
| 3 | 304 | 0.065 |
| 3 | 316 | 0.065 |
| 4 | 304 | 0.083 |
| 4 | 316 | 0.083 |
| 6 | 304 | 0.109 |
| 6 | 316 | 0.109 |
| 8 | 304 | 0.109 |
| 8 | 316 | 0.109 |
ASTM A270 tubing chemical composition
| SS SANITARY TUBE GRADES | UNS | Mn | C | P | Si | S | Cr | Mo | Ni | Ti | N | Nb |
| TP304 | S30400 | 2 | 0.08 | 0.045 | 1 | 0.03 | 18.0-20.0 | 8.0-11.0 | ||||
| TP304L | S30403 | 2 | 0.035 | 0.045 | 1 | 0.03 | 18.0-20.0 | 8.0-13.0 | ||||
| TP316 | S3160 | 2 | 0.08 | 0.045 | 1 | 0.03 | 16.0-18.0 | 2.0-3.0 | 11.0-14.0 | |||
| TP316L | S31603 | 2 | 0.035 | 0.045 | 1 | 0.03 | 16.0-18.0 | 2.0-3.0 | 10.0-14.0 |
Stainless steel dairy tubing mechanical properties
| Material | Temperure | Heat | Yield Strength | Tensile Strength | Elongation %, Min |
| Min. | Treatment | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| TP304 | 1900 (1040) | Solution | 30(205) | 75(515) | 35 |
| TP304L | 1900 (1040) | Solution | 25(170) | 70(485) | 35 |
| TP316 | 1900(1040) | Solution | 30(205) | 75(515) | 35 |
| TP316L | 1900(1040) | Solution | 25(170) | 70(485) | 35 |
Equivalent of ASTM A270 tubes
| GRADE | DIN/WERKSTOFF | UNS NO |
|---|---|---|
| SS 304 Sanitary Tube | 1.4301 | S30400 |
| Sanitary SS Tube 304L | 1.4306 | S30403 |
| SS 316 Sanitary Tube | 1.4436 | S31600 |
| 316L Sanitary Tube | 1.4404 | S31603 |
Stainless steel sanitary tube pressure rating
| AVE. WALL INCHES | MIN YIELD STRENGTH (PSI) | THEORETICAL YIELD POINT ** (PSI) | THEORETICAL BURST PRESSURE * (PSI) | MIN TENSILE STRENGTH (PSI) | WORKING PRESSURE (PSI) 25% OF BURST | COLLAPSE PRESSURE *** (PSI) |
|---|---|---|---|---|---|---|
| 0.250 | 0.020 | 3,571 | 75,000 | 30,000 | 14,286 | 5,714 |
| 0.250 | 0.028 | 5,412 | 75,000 | 30,000 | 21,649 | 8,660 |
| 0.250 | 0.035 | 7,292 | 75,000 | 30,000 | 29,167 | 11,667 |
| 0.250 | 0.049 | 12,089 | 75,000 | 30,000 | 48,355 | 19,342 |
| 0.250 | 0.065 | 20,313 | 75,000 | 30,000 | 81,250 | 32,500 |
| 0.375 | 0.020 | 2,239 | 75,000 | 30,000 | 8,955 | 3,582 |
| 0.375 | 0.028 | 3,292 | 75,000 | 30,000 | 13,166 | 5,266 |
| 0.375 | 0.035 | 4,303 | 75,000 | 30,000 | 17,213 | 6,885 |
| 0.375 | 0.049 | 6,634 | 75,000 | 30,000 | 26,534 | 10,614 |
| 0.375 | 0.065 | 9,949 | 75,000 | 30,000 | 39,796 | 15,918 |
| 0.500 | 0.020 | 1,630 | 75,000 | 30,000 | 6,522 | 2,609 |
| 0.500 | 0.028 | 2,365 | 75,000 | 30,000 | 9,459 | 3,784 |
| 0.500 | 0.035 | 3,052 | 75,000 | 30,000 | 12,209 | 4,884 |
| 0.500 | 0.049 | 4,571 | 75,000 | 30,000 | 18,284 | 7,313 |
| 0.500 | 0.065 | 6,588 | 75,000 | 30,000 | 26,351 | 10,541 |
| 0.500 | 0.083 | 9,319 | 75,000 | 30,000 | 37,275 | 14,910 |
| 0.625 | 0.020 | 1,282 | 75,000 | 30,000 | 5,128 | 2,051 |
| 0.625 | 0.028 | 1,845 | 75,000 | 30,000 | 7,381 | 2,953 |
| 0.625 | 0.035 | 2,365 | 75,000 | 30,000 | 9,459 | 3,784 |
| 0.625 | 0.049 | 3,487 | 75,000 | 30,000 | 13,947 | 5,579 |
| 0.625 | 0.065 | 4,924 | 75,000 | 30,000 | 19,697 | 7,879 |
| 0.625 | 0.083 | 6,781 | 75,000 | 30,000 | 27,124 | 10,850 |
| 0.625 | 0.095 | 8,190 | 75,000 | 30,000 | 32,759 | 13,103 |
| 0.625 | 0.109 | 10,043 | 75,000 | 30,000 | 40,172 | 16,069 |
| 0.750 | 0.028 | 1,513 | 75,000 | 30,000 | 6,052 | 2,421 |
| 0.750 | 0.035 | 1,930 | 75,000 | 30,000 | 7,721 | 3,088 |
| 0.750 | 0.049 | 2,818 | 75,000 | 30,000 | 11,273 | 4,509 |
| 0.750 | 0.065 | 3,931 | 75,000 | 30,000 | 15,726 | 6,290 |
| 0.750 | 0.083 | 5,330 | 75,000 | 30,000 | 21,318 | 8,527 |
| 0.750 | 0.095 | 6,362 | 75,000 | 30,000 | 25,446 | 10,179 |
| 0.750 | 0.109 | 7,683 | 75,000 | 30,000 | 30,733 | 12,293 |
| 0.750 | 0.120 | 8,824 | 75,000 | 30,000 | 35,294 | 14,118 |
| 0.875 | 0.020 | 898 | 75,000 | 30,000 | 3,593 | 1,437 |
| 0.875 | 0.028 | 1,282 | 75,000 | 30,000 | 5,128 | 2,051 |
| 0.875 | 0.035 | 1,630 | 75,000 | 30,000 | 6,522 | 2,609 |
| 0.049 | 30,000 | 3,784 | 9,459 | 75,000 | 2,365 | 3,172 |
| 0.875 | 0.065 | 3,272 | 75,000 | 30,000 | 13,087 | 5,235 |
| 0.875 | 0.083 | 4,390 | 75,000 | 30,000 | 17,560 | 7,024 |
| 0.875 | 0.095 | 5,201 | 75,000 | 30,000 | 20,803 | 8,321 |
| 0.875 | 0.109 | 6,221 | 75,000 | 30,000 | 24,886 | 9,954 |
| 0.875 | 0.120 | 7,087 | 75,000 | 30,000 | 28,346 | 11,339 |
| 1.000 | 0.028 | 1,112 | 75,000 | 30,000 | 4,449 | 1,780 |
| 1.000 | 0.035 | 1,411 | 75,000 | 30,000 | 5,645 | 2,258 |
| 1.000 | 0.049 | 2,037 | 75,000 | 30,000 | 8,149 | 3,259 |
| 1.000 | 0.065 | 2,802 | 75,000 | 30,000 | 11,207 | 4,483 |
| 1.000 | 0.083 | 3,732 | 75,000 | 30,000 | 14,928 | 5,971 |
| 1.000 | 0.095 | 4,398 | 75,000 | 30,000 | 17,593 | 7,037 |
| 1.000 | 0.109 | 5,227 | 75,000 | 30,000 | 20,908 | 8,363 |
| 1.000 | 0.120 | 5,921 | 75,000 | 30,000 | 23,684 | 9,474 |
| 1.000 | 0.134 | 6,865 | 75,000 | 30,000 | 27,459 | 10,984 |
| 1.250 | 0.035 | 1,112 | 75,000 | 30,000 | 4,449 | 1,780 |
| 1.250 | 0.049 | 1,595 | 75,000 | 30,000 | 6,380 | 2,552 |
Stainless steel sanitary tubing dimensions
| Outside Diameter | Nominal Wall Thickness | Weight | ||
|---|---|---|---|---|
| (in) | (mm) | (in) | (mm) | (kg/m) |
| 1/2 | 12.7 | 0.065 | 1.65 | 0.454 |
| 3/4 | 19.1 | 0.065 | 1.65 | 0.717 |
| 1 | 25.4 | 0.065 | 1.65 | 0.976 |
| 1 1/2 | 38.1 | 0.065 | 1.65 | 1.50 |
| 2 | 50.8 | 0.065 | 1.65 | 2.02 |
| 2 1/2 | 63.5 | 0.065 | 1.65 | 2.54 |
| 3 | 76.2 | 0.065 | 1.65 | 3.06 |
| 4 | 101.6 | 0.083 | 2.11 | 5.23 |
| 6 | 152.4 | 0.109 | 2.77 | 10.32 |
| 8 | 203.2 | 0.109 | 2.77 | |
What are 180, 240, or 320 grit finish?
The 180, 240, or 320 grit finish are performed on the ASTM A270 Tubing solution. 180 is the fine grit that helps to remove scratches left by coarser grits. The 240 grit also helps to remove surface defects on metals, like stainless steel. 320 is very fine grit used for light sanding.
ASTM A270 vs 3A sanitary tubing
ASTM A270 Tubes are made of austenitic stainless steel grade, which is acid proof. It has been cold-worked for providing a min tensile strength of 700 MPa. Sanitary Stainless Steel Tubing Supplier supplies 3A tubing mostly to the dairy industry. 3A is a sanitary standard and those tubes can be used in food processing equipment.
304L vs 316L sanitary tubing
There is a difference in the chemical composition of the both Hygienic SS Tubing grades. This is why the 316L shows resistance to sulphuric acid at low concentration, whereas 304L shows sulphuric acid resistance even at a high concentration. Also, 316L shows better resistance to phosphoric acid than 304L.
Difference between mechanical polish & electro polish stainless steel sanitary tubing
Mechanical polish is done by Sanitary SS Tubing Supplier using various abrasives for cutting the surface. Whereas, electropolishing uses chemicals and electricity for dissolving the surface layer and expose the smoother layer inside. Mechanical polish is unable to remove inclusions whereas electropolish makes the surface featureless.
SF1 vs SF4 finish
The difference between sf1 and sf4 finish by Stainless Steel Sanitary Tube manufacturer in India, is in their surface gradings, SF1 = Ra Max 0.51 μm (mechanically polished) and SF4 = Ra Max 0.38 μm (electropolished).