Spezilla Tube Co., Ltd. (Shanghai)
Spezilla Tube Co., Ltd. Excellence in Stainless Steel Tubing
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Polished Stainless Steel Sanitary Stainless Tubing AISI 316L 1.4404 180 Grits ASTM A270
Tube Sanitary
Specification:
304/304L:
304 is the standard '18/8' stainless and known to be the most versatile and most widely used stainless steel. It is chosen for its suitability for use in highly corrosive environments, resistance to chromium carbide precipitation, high formability and high weldability. 304L grade is an extra low carbon version of 304 which offers additional resistance to carbide precipitation during welding, therefore eliminating the need for post weld annealing in most cases. Applications include kitchen equipment, welded components of chemical, textile, pharmaceutical and paper processing equipment, cosmetic automotive trim, air bag inflator tubes, automotive and truck exhaust components.
TP316/316L:
This stainless grade is similar to that of the 304 grade, but with additions of molybdenum, greater corrosion resistance and improved high temperature strength is achieved. Corrosion resistance to lower pH and chloride solutions can be attributed to this particular grade's combination of stainless alloying elements. 316L grade is an extra low carbon version of 316 which offers additional resistance to carbide precipitation during welding, therefore eliminating the need for post weld annealing in most cases. Applications include parts exposed to marine atmospheres, furnace components, heat exchanger tubes, and exhaust manifolds.
Capabilities:
1. Fully Automated European Tube Production Line with Inline Annealing & Inline Eddy Current testing.
2. In house facility for Mechanical Polishing for both inside & outside tube surface.
3. All stainless steel sanitary tubings are manufactured with Enviromental Friendly Technology.
4. In house facility for increasing inner surface of stainless steel sanitary tubings with Boroscope Instruments.
SPEZILLA is leading manufacturer & suppliers of stainless steel seamless and welded tubing manufactured as per ASTM A270 standards. It is certified to the requirements of ASTM A270 standards, and most user specifications.
Materials Our sanitary tubing is available in alloys 304/304L and 316/316L. All 316/316L tube is supplied with a sulfur content of .005-.017% as specified in ASTM A270, Supp. S2.1.1. Available in A249, A269 and A270
Surface Polish:
Surface finish is 20 u-in Ra (0.5um) ID maximum, 30 u-in Ra (0.8um) OD maximum surface roughness measured per ASME/ANSI B46.1 with the profilo-meter reading at 90 degree to the lay. Other finishes available upon request.
Various types of polishing operations are commonly used to reduce the surface roughness of stainless steel sanitary tubes used in fluid piping & related components. As the name implies, mechanical polishing involves the application of physical force on abrasive media to remove the irregularities.
Surface Roughness: Bright Annealed, Mill Finish is available for both ID/OD, Mechanical Polish, Electro Polish needs to specify either ID/OD.
Available Sizes:
OD from 1/2'' to 8'' (12.7MM to 203.20MM)
Wall thickness: 0.065'' to 0.083'' (1.65MM to 2.11MM)
Length: 20ft ( 6100MM)
Various types of polishing operations are commonly used to reduce the surface roughness of stainless steel sanitary tubes used in fluid piping & related components. As the name implies, mechanical polishing involves the application of physical force on abrasive media to remove the irregularities.
Surface Roughness: Bright Annealed, Mill Finish is available for both ID/OD, Mechanical Polish, Electro Polish needs to specify either ID/OD.
| Size (Tube OD) | Part Number | Dimensions | |||
| 304L | 316L | Wall | ID | Gauge | |
| 1/2" | A270 | A270 | 0.065 | 0.370 | 16 |
| 3/4" | A270 | A270 | 0.065 | 0.620 | 16 |
| 1 " | A270 | A270 | 0.065 | 0.870 | 16 |
| 1-1/2" | A270 | A270 | 0.065 | 1.370 | 16 |
| 2 " | A270 | A270 | 0.065 | 1.870 | 16 |
| 2 " | A270 | A270 | 0.120 | 1.760 | 11 |
| 2-1/2" | A270 | A270 | 0.065 | 2.370 | 16 |
| 3 " | A270 | A270 | 0.065 | 2.870 | 16 |
| 3 " | A270 | A270 | 0.120 | 2.760 | 11 |
| 4 " | A270 | A270 | 0.065 | 3.870 | 16 |
| 4 " | A270 | A2700 | 0.083 | 3.834 | 14 |
| 5 " | A270 | A270 | 0.083 | 4.834 | 14 |
| 6 " | A270 | A270 | 0.083 | 5.834 | 14 |
| 6 " | A270 | A270 | 0.109 | 5.782 | 12 |
| 8 " | A270 | A270 | 0.109 | 7.782 | 12 |
| 10 " | A778 | A778 | 0.109 | 9.782 | 12 |
| 12 " | A778 | A778 | 0.109 | 11.782 | 12 |
| Dimensional Tolerances ASTM A270 Stainless Steel Sanitary Pipe | ||||
| Size OD | Nominal Wall | Outside Diameter(MM) | 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''(19.05) | 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) | +3/16"(5.00)/-0 | +/-10.0% |
| 6''(152.4) | 0.109''(2.77) | +/-0.030(0.76) | +3/16"(5.00)/-0 | +/-10.0% |
| 8''(203.2) | 0.109''(2.77) | +/-0.050(1.25) | +3/16"(5.00)/-0 | +/-10.0% |
