Stainless steel grade 304 is one of the most highly desired for hygienic applications that demand a cost-effective alloy. The ASTM A270 TP304 Sanitary Stainless Steel Tubes are widely used as structural components and are typically cold wrought. The ASTM A270 TP304 Sanitary Stainless Tubing is frequently used in the food and beverage, medical, pharmaceutical, and biological industries. Metals have to be selected in accordance with the need for these materials to be hygienic and non-reactive.
Although grade 316 is a highly popular option, numerous firms are using UNS S30400 Stainless Steel Sanitary Tubes for two reasons. First off, employing this material is inexpensive. Second, it is simple to obtain the tubes due to the astm a270 tp304 alloy's global availability. In general, the components that are used to make these tubes must always be sterile. As a result, the ASTM A270 304 Sanitary SS Tube is frequently sterilised using heat and alkaline cleaning solutions, neither of which cause the substance to react. Depending on the industry, the sterilisation of these A270 TP304 Sanitary Tubes may be done anywhere from several times per week and several times per day.
These ASTM A270 TP304 Tubing components frequently have their surfaces treated with finishes or by mechanical operations to make them smoother in order to maintain sterility in the equipment. A smooth surface on the ASME SA270 TP304 Tube's inside and exterior helps the product transition more smoothly. Additionally, a smoother surface ensures a cleaner surface because no residue is left on the ASTM A270 TP304 Tube's walls.
|
Type
|
Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing
|
| OD. | 1/2” |
| Wall | 16 Gauge (0.065”) |
| Length | 20′ |
| OD Tolerance | +/-0.005” / +/-0.13MM |
| WT Tolerance | +/-10% |
| Length Tolerance | +1/8” / +3.18MM |
| Standard | 3A / ASTM A270 / A270M |
| Finish | 20Ra ID / 32Ra OD |
| Polish | Mechanical Polished |
| Type | Seamless |
| Certification | 3A – Food / Dairy Grade |
| Mill Test Certificate | EN10204 3.1 |
| Packing | Sleeved, Ends Capped, Wooden Boxed |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
Grade |
Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
| OD Size | Nominal wall | Outside Dia | Length | Wall |
|---|---|---|---|---|
| 1/2″ (12.7) | 0.065″ (1.65) | +/-0.005 (0.13) | +1/8″ (3.18)/-0 | +/-10% |
| 3/4″ (19.1) | 0.065″ (1.65) | +/-0.005 (0.13) | +1/8″ (3.18)/-0 | +/-10% |
| 1″ (25.4) | 0.065″ (1.65) | +/-0.005 (0.13) | +1/8″ (3.18)/-0 | +/-10% |
| 1-1/2″ (38.1) | 0.065″ (1.65) | +/-0.008 (0.20) | +1/8″ (3.18)/-0 | +/-10% |
| 2″ (50.8) | 0.065″ (1.65) | +/-0.008 (0.20) | +1/8″ (3.18)/-0 | +/-10% |
| 2-1/2″ (63.5) | 0.065″ (1.65) | +/-0.010 (0.25) | +1/8″ (3.18)/-0 | +/-10% |
| 3″ (76.2) | 0.065″ (1.65) | +/-0.010 (0.25) | +1/8″ (3.18)/-0 | +/-10% |
| 4″ (101.6) | 0.083″ (2.11) | +/-0.015 (0.38) | +1/8″ (3.18)/-0 | +/-10% |
| 6″ (152.4) | 0.109″ (2.77) | +/-0.030 (0.76) | +3/16″ (4.76)/-0 | +/-10% |
| 8″ (203.2) | 0.109″ (2.77) | +/-0.030 (0.76) | +3/16″ (4.76)/-0 | +/-10% |
