The versatility of SUS 904L pipes and tubes extends to their weldability and formability, allowing for easy integration into complex systems. Their ability to withstand both high temperatures and extreme conditions makes them ideal for use in heat exchangers, condensers, and other critical components of industrial processes. Furthermore, SUS 904L complies with international standards and specifications, ensuring consistency and quality across various applications. Whether in aggressive chemical environments or harsh industrial settings, SUS 904L pipes and tubes stand as a reliable choice, offering longevity and performance that meet the stringent requirements of diverse industries.
Standard Quality Specification Of SUS 904L Pipes & Tubes
Specifications | ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
Dimensions | ASTM, ASME and API |
SS 904L Pipes | 1/2″ NB – 16″ NB |
ERW 904L Pipes | 1/2″ NB – 24″ NB |
EFW 904L 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 904L Pipes & Tubes
Grade | 904L | |
UNS No | N08904 | |
Old British | BS | – |
En | – | |
Euronorm | No | 1.4539 |
Name | – | |
Swedish SS | – | |
Japanese JIS | SUS 904L |
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SUS 904L Pipes Physical Properties
Grade | 904L | |
---|---|---|
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 904L SUS Pipes
Grade | 904L | |
---|---|---|
min | max | |
C | 0.04 | 0.10 |
Mn | – | 2.0 |
Si | – | 1.00 |
P | – | 0.045 |
S | – | 0.030 |
Cr | 17.0 | 19.0 |
Mo | 3.00 | 4.00 |
Ni | 9.0 | 13.0 |
N | – | – |
Mechanical Properties of SUS 904L Pipes & Tubes
Grade | 904L | |
---|---|---|
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 |