Buy ASTM A312 904L Seamless Pipe, 904 stainless steel seamless pipe, UNS N08904/N08904L seamless pipe, DIN 1.4539/1.4438 SS SMLS Pipe, high‑alloy 904L seamless pipe, ASME SA312 TP904L SMLS Pipe, 904L SS seamless pipe, Stainless Steel 904 Seamless pipe at the best price.
New Eagle Industrial Corporation specializes in manufacturing and supplying ASTM A312 TP904 and TP904L seamless pipes, engineered to deliver exceptional performance in the most demanding industrial environments. These 904 / 904L Seamless Pipes are renowned for their superior corrosion resistance, high tensile strength, and durability.
SS 904 Seamless Pipes are manufactured according to the ASTM A312 / ASME SA312 standards, ensuring precise dimensions, uniform wall thickness, and excellent surface finish. The low-carbon TP904L variant is particularly suited for welded systems, reducing the risk of intergranular corrosion and providing long-term reliability in critical pipelines.
We offer a comprehensive range of 904L SMLS Pipe sizes and schedules, catering to small instrumentation lines as well as large industrial pipelines. Each pipe undergoes strict quality checks, including hydrostatic testing, PMI verification, and dimensional inspection, ensuring compliance with international standards and guaranteed performance.
Whether you are looking to buy ASME SA312 TP904/TP904L Seamless Pipes at competitive prices, or need technical support for selecting the right material, We provide reliable supply, technical expertise, and timely delivery, making us a trusted partner for industries requiring 904L SS Seamless Piping Solutions.
904L Stainless Steel Seamless Pipes – Technical Specifications
Stainless Steel 904 Seamless Pipe – Chemical Composition
904L has lower carbon content than 904, providing superior weldability and enhanced resistance to intergranular corrosion in harsh chemical environments.
| Element | 904 | 904L |
|---|---|---|
| Carbon (C) | ≤0.08% | ≤0.02–0.03% |
| Chromium (Cr) | 19–23% | 19–23% |
| Nickel (Ni) | 24–28% | 24–26% |
| Molybdenum (Mo) | 4–5% | 4–5% |
| Copper (Cu) | 1–2% | 1–2% |
| Manganese (Mn) | ≤2% | ≤2% |
| Silicon (Si) | ≤1% | ≤1% |
| Phosphorus (P) | ≤0.03% | ≤0.03% |
| Sulfur (S) | ≤0.02% | ≤0.02% |
ASME SA312 TP904L SMLS Pipes – Mechanical Properties
904L offers slightly lower tensile and yield strength than 904 due to reduced carbon content, but both grades provide excellent ductility, toughness, and high resistance to stress corrosion cracking.
| Property | 904 | 904L |
|---|---|---|
| Tensile Strength (MPa) | 520–750 | 520–690 |
| Yield Strength (MPa) | 210–400 | 210–300 |
| Elongation (%) | 40–50% | 40–50% |
| Hardness (HRB) | 70–90 | 70–90 |
| Impact Strength | Good | Good |
UNS N08904/N08904L Seamless Pipes – Equivalent Grades
904L stainless steel is widely recognized across global standards, ensuring compatibility and easy selection for international projects. N08904, 1.4539, and SUS904L are the most commonly referenced equivalents.
| Standard System | Equivalent Grade |
|---|---|
| UNS (ASTM/ASME) | N08904 / N08904L |
| DIN / EN (Werkstoff-Nr.) | 1.4539 / 1.4438 |
| JIS (Japan) | SUS904 / SUS904L |
| BS (British) | 904S13 |
| AFNOR (France) | Z2 NCDU 25-20 |
What is the difference between TP904 and TP904L seamless pipes?
- Carbon Content: TP904L has a lower carbon content (≤0.03%) compared to TP904 (≤0.08%), which reduces carbide precipitation during welding.
- Corrosion Resistance: TP904L provides superior resistance to intergranular corrosion, especially in welded systems or acidic environments.
- Mechanical Strength: TP904 has slightly higher tensile and yield strength, while TP904L offers better weldability and long-term durability.
- Applications: TP904 is suitable for general high-alloy corrosion applications, whereas TP904L is preferred in chemical processing, marine, and acid-resistant systems requiring extensive welding.
What are the advantages of using TP904L over TP904 in welded systems?
- Enhanced Weldability: Lower carbon content prevents carbide precipitation along weld seams.
- Long-Term Corrosion Resistance: Reduces intergranular corrosion in chemical or marine environments.
- Consistent Mechanical Performance: Maintains ductility, strength, and toughness even after heat-affected welding zones.
- Suitability for Critical Applications: Preferred for pipelines exposed to highly corrosive acids or chloride-rich environments.
How to ensure you are buying genuine TP904 / TP904L seamless pipes?
- Check Material Certifications: ASTM A312 mill test certificates (MTC) should be provided.
- Verify PMI Reports: Confirms UNS N08904 / N08904L composition.
- Inspect Dimensional Tolerances: Verify OD, wall thickness, and length as per ASTM standards.
- Choose Trusted Suppliers: Reliable manufacturers ensure consistent quality, testing, and timely delivery.
Global Export Network for Stainless Steel TP904/904L Seamless Pipes
As a trusted manufacturer and exporter, New Eagle Steel supplies A312 Stainless Steel 904/904L Seamless Pipes globally. Our high-performance products are widely used in chemical processing, pollution control, marine, and pharmaceutical industries across Europe, the Middle East, Asia, and the Americas, ensuring exceptional corrosion resistance, reliability, and precision engineering.
- Middle East: United Arab Emirates (UAE), Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, Yemen, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey
- North Africa: Egypt, Algeria, Morocco, Tunisia, Libya
- Asia Pacific: Singapore, Malaysia, Vietnam, Indonesia, Thailand, Philippines, Cambodia, Laos, Myanmar, Brunei, Timor-Leste, Taiwan, Japan, South Korea
- Europe: Spain, Belgium, Netherlands, France, Germany, Italy, United Kingdom (England), Poland, Cyprus, Malta, Russia
- Americas: Brazil, Mexico, Chile, Peru, Colombia, Argentina, United States (USA), Canada
- India: Chennai, Coimbatore, Bangalore, Thiruvananthapuram, Pune, Kolkata, Kerala, Karnataka, Gujarat, Mumbai, Delhi
Applications of ASTM A312 TP904 / TP904L Seamless Pipes Across Industries
Oil & Gas Industry
Petrochemical & Chemical Processing
Power Generation (Thermal, Nuclear & Renewable)
Marine & Offshore Engineering
Pharmaceuticals & Biotechnology
Food, Beverage & Dairy Processing
Pulp & Paper Industry
Aerospace & Defense
Automotive & Transportation
Instrumentation & Control Systems
Water Treatment & Desalination
HVAC & Heat Exchanger Systems
Construction & Infrastructure Projects
Mining & Metallurgy
