ASTM A270 TP304 Stainless Steel Seamless Pipe/Stainless Steel Sanitary Tube 50.8*1.5*5800mm
Yuhong Special Steel sanitary tubing exceeds ASTM A270 S2 and 3A specifications and most user
specifications. It is manufactured from the finest quality stainless steel materials made exclusively to the
Yuhong Special Steel melt criteria and formed by the Yuhong Special Steel Micro-Weld™ process
to assure weld seam integrity and industry leading ID and OD finishes to the low Ra values demanded by
Yuhong Special Steel’s customers.Yuhong Special Steel leads the industry in manufacturing the
highest quality welded sanitary tubing, backed with technical expertise, advanced manufacturing and
polishing capabilities and unmatched service before and after the sale. All standard sanitary tubing sizes
are available in 1/2" (12.7 mm) to 8" (203.2 mm) OD in stock 20' (6.1 m) lengths.
Chemical Composition:
| Elements | 304L(wt%) | 316L (wt%) |
| |
| (C) Carbon, max | 0.035 | 0.035 |
| (Mn) Manganese, max | 2.00 | 2.00 |
| (P) Phosphorus, max | 0.040 | 0.040 |
| (S) Sulfur, max | 0.030 | 0.030 |
| (Si) Silicon, max | 0.75 | 0.75 |
| (Ni) Nickel | 8.0 - 13.0 | 10.0 - 15.0 |
| (Cr) Chromium | 18.0 - 20.0 | 16.0 - 18.0 |
| (Mo) Molybdenum | N/A | 2.0 - 3.0 |
| (Fe) Iron | Bal. | Bal. |
| (Cu) Copper | N/A | N/A |
| (N) Nitrogen | N/A | N/A |
Dimensional Tolerences
all dimensions in inches (mm)
| Size OD | Nominal Wall | Outside Diameter | Length | Wall |
| |
| 1/2" (12.7) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 3/4" (19.1) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 1" (25.4) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 1-1/2" (38.1) | 0.065" (1.65)/0.049" (1.25) | +/-0.008" (0.20) | +1/8" (3.18) - 0 | +/-10.0% |
| 2" (50.8) | 0.065" (1.65)/0.049" (1.25) | +/-0.008" (0.20) | +1/8" (3.18) - 0 | +/-10.0% |
| 2-1/2" (63.5) | 0.065" (1.65) | +/-0.010" (0.25) | +1/8" (3.18) - 0 | +/-10.0% |
| 3" (76.2) | 0.065" (1.65) | +/-0.010" (0.25) | +1/8" (3.18) - 0 | +/-10.0% |
| 4" (101.6) | 0.083" (2.11) | +/-0.015" (0.38) | +1/8" (3.18) - 0 | +/-10.0% |
| 6" (152.4) | 0.083" (2.11) | +/-0.030" (0.76) | +1" (25.4) - 0 | +/-10.0% |
| 6" (152.4) | 0.109" (2.77) | +/-0.030" (0.76) | +1" (25.4) - 0 | +/-10.0% |
| 8" (203.2) | 0.109" (2.77) | +0.061" (1.55)/-0.031" (0.79) | +1" (25.4) - 0 | +/-10.0% |
To ensure the highest surface quality in all of our sanitary tubing,Yuhong Special Steel goes beyond
the requirements of ASTM A269 and A270 by performing the full battery of ASTM bend and deformation
tests required by ASME SA249 as well as additional deformation tests developed by Yuhong Special
Steel. The tests, combined with specific raw material requirements, Eddy Current testing at the tube mill,
and tighter OD and wall tolerances allow Zhongzhou Special Steel to provide a more consistent superior
quality product.Hydrogen bright annealed in line to 1900°F (1040°C) minimum and rapidly enched.Surface
finish is 20 μ-in Ra (0.5 μm) ID maximum, 30 μ-in Ra (0.8 μm) OD maximum surface roughness measured
per ASME/ ANSI B46.1 with the profilometer reading at 90 degrees to major polishing pattern. Yuhong
Special Steel’s polishing techniques result in surface finishes that lead the industry. All tubing is printed with
size, gauge, alloy, ASTM and ASME specifications, heat number and date of manufacturing for full
raceability.As a final step in maintaining purity standards, Yuhong Special Steel’s A270 S2 tubing is
packaged using protective 2 mil poly sleeving along with air tight plastic end caps. The tubing is then
placed in triple wall boxes for maximum protection during shipment. Other packaging is available on
request.
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Sanitary Astm A270 / 270M TP304 Stainless Steel Welded Tube For Food Images
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