N08904 Stainless Steel Pipe
Standards: ASTM A312, A269, A213
Outer Diameter: 10.3mm ~ 273.1mm
Wall Thickness: 1.24mm ~ 28.6mm
Length: Customizable upon request
UNS N08904, also known as 904L, is a premium stainless steel alloy renowned for its exceptional corrosion resistance, making it widely used across various industries. One of the most popular forms of this alloy is seamless piping, which finds extensive use in the oil & gas, chemical, and petrochemical industries.
Seamless pipes made from UNS N08904 offer excellent resistance to corrosive environments such as seawater, sulfuric acid, and caustic soda. This makes them an ideal material for equipment operating in harsh conditions, including offshore oil rigs, heat exchangers, and chemical & pharmaceutical processing plants.
In addition to its outstanding corrosion resistance, 904L seamless pipes boast superior toughness, high strength, and excellent weldability. These features ensure that the material remains reliable and long-lasting, even under extreme conditions.
When selecting 904L seamless pipes, it's crucial to ensure the alloy undergoes proper testing and quality checks. Reputable manufacturers of this alloy adhere to strict quality standards, ensuring that their products meet the requirements of various international standards.
Why Choose Our N08904 Stainless Steel Seamless Pipes?
Superior Corrosion Resistance: Perfect for use in highly corrosive environments like seawater and sulfuric acid.
Exceptional Durability: With its high toughness, strength, and weldability, this pipe performs reliably in offshore, chemical, and petrochemical applications.
Tested and Certified Quality: Manufactured to meet the highest international standards, ensuring outstanding performance and longevity.
In summary, UNS N08904 seamless pipes are an excellent choice for applications requiring high corrosion resistance and the ability to withstand extreme conditions. Their exceptional performance makes them a popular choice across various industries, and when sourced from a reputable manufacturer, they offer unparalleled reliability and durability.
Packaging: Plastic-woven bundling for secure transportation.
Routine Inspection:
Test Items | Test Type | Sampling Requirements |
|---|---|---|
Alloy Chemical Composition Verification | Non-Destructive Test | Sampling by Heat Number Verification |
Tensile Strength | Destructive Test | Sampling by Batch Number |
Yield Strength | Destructive Test | Sampling by Batch Number |
Elongation | Destructive Test | Sampling by Batch Number |
Hardness | Rockwell Hardness HRC | Sampling by Batch Number |
Eddy Current Testing | Non-Destructive Test | 100% |
Ultrasonic Testing | Non-Destructive Test | 100% |
Ultrasonic Testing | Non-Destructive Test | 100% |
Bending Test | Destructive Test | Sampling by Batch Number |
Flattening Test | Destructive Test | Sampling by Batch Number |
Flaring Test | Destructive Test | Sampling by Batch Number |
Dimensional Inspection | Non-Destructive Test | 100% |
Metallographic Inspection | Destructive Test | Sampling by Batch Number |
Visual Inspection | Non-Destructive Test | 100% |
Roughness Test | Non-Destructive Test | Sampling by Batch Number |
Electron Microscope | Sampling | As Needed |
Energy Dispersive Spectroscopy | Sampling | As Needed |
Auger Analysis | Sampling | As Needed |

