These pipes and tubes are expertly crafted using advanced manufacturing processes, ensuring precision and consistency in dimensions. The seamless construction of SUS 304H pipes and tubes eliminates weak points, enhancing their structural integrity and reducing the risk of leaks. This makes them ideal for conveying fluids and gases under varying pressures. Beyond their functional advantages, SUS 304H pipes and tubes also exhibit an attractive aesthetic, making them suitable for applications where both performance and appearance matter. Their resistance to corrosion ensures a longer service life, contributing to cost savings and reduced maintenance requirements. In summary, SUS 304H pipes and tubes are reliable and high-performance components, playing a critical role in industries that demand durability, corrosion resistance, and strength, especially in high-temperature environments.
Standard Quality Specification Of SUS 304H Pipes & Tubes
Specifications | ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
Dimensions | ASTM, ASME and API |
SS 304H Pipes | 1/2″ NB – 16″ NB |
ERW 304H Pipes | 1/2″ NB – 24″ NB |
EFW 304H 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 304H Pipes & Tubes
Grade | 304H | |
UNS No | S30409 | |
Old British | BS | 304S11 |
En | 58E | |
Euronorm | No | 1.4948 |
Name | X5CrNi18-10 | |
Swedish SS | 2332 | |
Japanese JIS | SUS 304H |
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SUS 304H Pipes Physical Properties
Grade | 304H | |
---|---|---|
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 304H SUS Pipes
Grade | 304H | |
---|---|---|
min | max | |
C | – | 0.10 |
Mn | – | 2.0 |
Si | – | 0.75 |
P | – | 0.045 |
S | – | 0.03 |
Cr | 18.0 | 20.0 |
Mo | – | – |
Ni | 8.0 | 10.5 |
N | – | – |
Mechanical Properties of SUS 304H Pipes & Tubes
Grade | 304H | |
---|---|---|
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 |