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ASME SA269 TP304 1.4301 Austenitic Seamless Bright Annealed Tube
Advantages:
The ASME SA269 TP304 Bright Annealed Tubes can perform well in
caustic solutions where chloride and fluoride are absent. They also
have excellent forming and welding characteristics and show a great
performance in corrosive environments. The seamless tube can also
withstand higher pressure.
The ASME SA269 TP304 is an austenitic grade of steel that covers
standard seamless and welded configurations. The ASME SA269 TP304
Tube is designed with a superior composition of nickel and chromium
with other constituting alloys, giving these tubes enhanced
resistance against corrosive and oxidative media.
ASME SA269 TP304 Stainless Steel Tubing has a density of
8g/cm³ with a melting point of 1400 degrees C. These tubes has
excellent mechanical properties and can work well in different
pressures and temperatures.
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| TP304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
Tolerance Of ASTM A269 TP304 Tube
Size Inches | Tolerances, Inches | |||
OD, Inches | Wall | Ovality 2 x Tol., In. | Cut Length (b), In. | |
Less than 1/2 | ±0.005 | ±15% | —— | +1/8 –0 |
Over 1/2 to 1-1/2 | ±0.005 | ±10% | –0.065 | |
Over 1-1/2 to 3-1/2 | ±0.010 | ±10% | –0.095 | +3/16 –0 |
Over 3-1/2 to 5-1/2 | ±0.015 | ±10% | –0.150 | |
Over 5-1/2 to 8 | ±0.030 | ±10% | —— | |
TP304 Mechanical Properties
| 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 | ||||
| TP304 | 515 | 205 | 40 | 92 | 201 |
Physical Properties
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
|---|---|---|---|---|---|---|---|---|---|
0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
304/L/H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Equivalent Material For 304 Grade Stainless Steel
| 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 |
Applications
-Food processing equipment, particularly in beer brewing, milk
processing & wine making
-Kitchen benches, sinks, troughs, equipment and appliances
-Architectural panelling, railings & trim
-Chemical containers, including for transport
-Heat Exchangers
-Woven or welded screens for mining, quarrying & water
filtration
-Threaded fasteners
-Springs
