The tubes, crafted from SUS 304, are sought after for their structural integrity and aesthetic appeal. These tubes are widely used in architectural and decorative applications, as well as in manufacturing equipment where corrosion resistance is crucial. Additionally, SUS 304 tubes are preferred in the production of heat exchangers, boilers, and other pressure vessels due to their high-temperature strength. Furthermore, SUS 304 pipes and tubes are known for their ease of fabrication, making them a cost-effective and reliable choice for various projects. Whether for industrial processes or aesthetic design elements, SUS 304 pipes and tubes offer a winning combination of strength, corrosion resistance, and versatility.
Standard Quality Specification Of SUS 304 Pipes & Tubes
Specifications | ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
Dimensions | ASTM, ASME and API |
SS 304 Pipes | 1/2″ NB – 16″ NB |
ERW 304 Pipes | 1/2″ NB – 24″ NB |
EFW 304 Pipes | 6″ NB – 100″ NB |
Size | 1/8″NB TO 30″NB IN |
Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
Form | Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipe, “U” Shape, Hydraulic Pipes |
Length | Single Random, Double Random & Cut Length. |
End | Plain End, Beveled End, Treaded |
Equivalent Grade Of SUS 304 Pipes & Tubes
Grade | 304 | |
UNS No | S30400 | |
Old British | BS | 304S31 |
En | 58E | |
Euronorm | No | 1.4301 |
Name | X5CrNi18-10 | |
Swedish SS | 2332 | |
Japanese JIS | SUS 304 |
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SUS 304 Pipes Physical Properties
Grade | 304 | |
---|---|---|
Density (kg/m3) | 8000 | |
Elastic Modulus (GPa) | 193 | |
Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 17.2 |
0-3150C | 17.8 | |
0-5380C | 18.4 | |
Thermal Conductivity (W/m.K) | at 1000C | 16.2 |
at 5000C | 21.5 | |
Specific Heat 0-1000C (J/kg.K) | 500 | |
Electrical Resistivity (n.m) | 720 |
Chemical Composition of 304 SUS Pipes
Grade | 304 | |
---|---|---|
min | max | |
C | – | 0.08 |
Mn | – | 2.0 |
Si | – | 0.75 |
P | – | 0.045 |
S | – | 0.030 |
Cr | 18.0 | 20.0 |
Mo | – | – |
Ni | 8.0 | 10.5 |
N | – | 0.10 |
Mechanical Properties of SUS 304 Pipes & Tubes
Grade | 304 | |
---|---|---|
Tensile Strength (MPa) min | 515 | |
Yield Strength 0.2% Proof (MPa) min | 205 | |
Elongation (% in 50mm) min | 40 | |
Hardness | Rockwell B (HR B) max | 92 |
Rockwell B (HR B) max | 201 |