SUS 904L is a high-alloy austenitic stainless steel that offers excellent corrosion resistance in various aggressive environments. This grade of stainless steel is known for its outstanding resistance to pitting and crevice corrosion, making it suitable for applications in chemical processing, oil and gas, pharmaceuticals, and more. SUS 904L pipes and tubes are widely utilized in industries where corrosion resistance and durability are critical factors. These pipes and tubes are fabricated with precision to meet stringent quality standards. The seamless construction ensures leak-free performance and enhances the structural integrity of the installations.
The unique composition of SUS 904L includes high levels of chromium, nickel, and molybdenum, providing enhanced resistance to chloride attack and sulfuric acid corrosion. This makes it particularly well-suited for use in aggressive and corrosive environments. Additionally, SUS 904L pipes and tubes exhibit exceptional weldability and formability, allowing for easy customization to meet specific project requirements. Whether for use in heat exchangers, chemical storage tanks, or desalination plants, these stainless steel pipes and tubes offer reliable and long-lasting performance. In summary, SUS 904L pipes and tubes are a preferred choice for industries demanding superior corrosion resistance and durability, making them a reliable solution for a wide range of challenging applications.
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 |
Grade | 904L | |
UNS No | N08904 | |
Old British | BS | 904S13 |
En | X1NiCrMoCu25-20-5 | |
Euronorm | No | 1.4539 |
Name | – | |
Swedish SS | – | |
Japanese JIS | SUS 890L |
Grade | 904L | |
---|---|---|
min | max | |
C | – | 0.20 |
Mn | – | 2.0 |
Si | – | 1.0 |
P | – | 0.045 |
S | – | 0.035 |
Cr | 19.0 | 23.0 |
Mo | 4.0 | 5.0 |
Ni | 23.0 | 28.0 |
N | 0.10 | 0.25 |
Grade | 904L | |
---|---|---|
Tensile Strength (MPa) min | 490 | |
Yield Strength 0.2% Proof (MPa) min | 220 | |
Elongation (% in 50mm) min | 35 | |
Hardness | Rockwell B (HR B) max | 70-90 typical |
Rockwell B (HR B) max | – |
Grade | 904L | |
---|---|---|
Density (kg/m3) | 8000 | |
Elastic Modulus (GPa) | 200 | |
Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 15.0 |
0-3150C | – | |
0-5380C | – | |
Thermal Conductivity (W/m.K) | at 1000C | 13.0 |
at 5000C | – | |
Specific Heat 0-1000C (J/kg.K) | 500 | |
Electrical Resistivity (n.m) | 850 |