High Precision Stainless Steel Instrumentation Tubes including SS Seamless, Welded, Compression, Thin Wall Precision Tubes, Hydraulic & Instrumentation Tubes, and Bright Annealed Tubing. All products are corrosion-resistant and available in various sizes. Contact us for project-based pricing.
Stainless Steel Instrumentation Tubes are high-precision tubing products used to carry fluids, gases, and control signals in critical industrial systems. These tubes are manufactured with tight tolerances, smooth internal surfaces, and excellent corrosion resistance, making them ideal for instrumentation, monitoring, and hydraulic applications.
At New Eagle Industrial Corporation, we export premium-quality SS Instrumentation Tubing that complies with international standards such as ASTM A213 and ASTM A269, ensuring reliable performance in demanding environments.
Our SS instrumentation tubing range includes seamless, welded, compression, hydraulic, thin-wall precision, and bright annealed tubes, available in grades SS 316, 316L, 317, 317L, 904, and 904L. Each tube is engineered for high pressure, vibration resistance, and leak-proof performance.
With custom lengths, various sizes, and competitive pricing, we ensure timely delivery and reliable service for all your project needs. Contact us today for bulk orders or project-based quotations.
SS Seamless Instrumentation Tubes – Technical Specifications
SS Welded Instrumentation Tubes – Chemical Composition
Stainless steel instrumentation tubes are made from high-quality alloys with precise chemical compositions to ensure excellent corrosion resistance, mechanical strength, and durability in critical instrumentation and process applications.
| Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) | Ti (%) | Remarks |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | 0.08 | 2 | 1 | 0.045 | 0.03 | 18–20 | 8–10 | – | – | Standard austenitic SS |
| 304L | 0.03 | 2 | 1 | 0.045 | 0.03 | 18–20 | 8–12 | – | – | Low carbon for welding |
| 316 | 0.08 | 2 | 1 | 0.045 | 0.03 | 16–18 | 10–14 | 2–3 | – | Excellent corrosion resistance |
| 316L | 0.03 | 2 | 1 | 0.045 | 0.03 | 16–18 | 10–14 | 2–3 | – | Low carbon version for welding |
| 321 | 0.08 | 2 | 1 | 0.045 | 0.03 | 17–19 | 9–12 | – | 0.7 | Titanium stabilized for high temp |
| 317L | 0.03 | 2 | 1 | 0.045 | 0.03 | 18–20 | 11–15 | 3–4 | – | High corrosion resistance |
| 904L | 0.02 | 2 | 1 | 0.045 | 0.03 | 19–23 | 23–28 | 4–5 | – | Highly resistant to acids |
Precision Stainless Steel Instrumentation Tubes – Mechanical Properties
Stainless steel instrumentation tubes are engineered to provide high strength, ductility, and reliability under pressure. Their mechanical properties ensure safe performance in critical applications such as hydraulic systems, process control, and chemical industries.
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | Remarks |
|---|---|---|---|---|---|
| 304 | 520–720 | 205–310 | 40–50 | 170–200 | Standard austenitic SS |
| 304L | 485–700 | 170–275 | 40–50 | 150–190 | Low carbon, improved weldability |
| 316 | 515–690 | 205–290 | 40–50 | 170–200 | Excellent corrosion resistance |
| 316L | 485–690 | 170–275 | 40–50 | 150–190 | Low carbon version for welding |
| 321 | 515–690 | 205–290 | 40–50 | 170–200 | Titanium stabilized, high-temp resistance |
| 317L | 485–690 | 170–275 | 40–50 | 150–190 | High corrosion resistance |
| 904L | 500–700 | 215–310 | 35–45 | 170–200 | Highly resistant to acids |
Stainless Steel Instrumentation Tubing – Equivalent Grades
ASTM A269 Stainless Steel Seamless Tubes are available in grades 316, 316L, 317, 317L, and 904L, with equivalents in DIN, JIS, UNS, GOST, and BS standards. These equivalents ensure global compatibility and ease of sourcing for industrial applications.
| Grade | DIN / EN | JIS | UNS | GOST | BS |
|---|---|---|---|---|---|
| 316 | 1.4401 | SUS316 | S31600 | 08Х17Н13М2 | 316S31 |
| 316L | 1.4404 | SUS316L | S31603 | 08Х17Н13М3 | 316S16 |
| 317 | 1.4436 | SUS317 | S31700 | 08Х19Н13М2 | 317S31 |
| 317L | 1.4439 | SUS317L | S31703 | 08Х19Н13М3 | 317S16 |
| 904L | 1.4539 | SUS904L | N08904 | ХН35Ю | 904S16 |
What are the key advantages of stainless steel instrumentation tubes over other materials?
- High Corrosion Resistance – Ideal for harsh chemical and marine environments, ensuring long-lasting performance.
- Precision Tolerances – Manufactured for accurate instrumentation and reliable measurement.
- Durability Under High Pressure and Temperature – Can withstand demanding industrial conditions without failure.
- Smooth Surface Finish – Minimizes contamination and ensures clean, uninterrupted flow.
- Versatility – Suitable for multiple industries, including chemical, power, oil & gas, and pharmaceutical sectors.
What makes instrumentation tubes suitable for extreme conditions?
These tubes are designed to withstand high pressure, corrosive fluids, and temperature extremes. They are suitable for various demanding applications, including:
- Cryogenic Applications – Suitable for temperatures as low as -196°C with low-temperature grades.
- High-Temperature Processes – Can handle temperatures up to 800°C using stabilized grades like 321. Their mechanical strength, corrosion resistance, and dimensional precision ensure reliable long-term performance.
Why is seamless tubing preferred over welded tubing for instrumentation?
- Uniform Wall Thickness: Seamless tubes are manufactured from a single piece of stainless steel, ensuring consistent wall thickness throughout the length. This uniformity is critical for accurate fluid flow and pressure stability in instrumentation systems.
- Higher Tensile Strength: Without any welded seams, seamless tubes exhibit superior mechanical strength, making them capable of withstanding higher internal pressures and mechanical stress compared to welded tubes.
- Reduced Risk of Leakage: Seamless construction eliminates the weak points associated with welded seams, significantly reducing the chance of leaks or failures, especially in high-pressure or hazardous applications.
- Better Corrosion Resistance: Since there are no welds, there is no risk of corrosion at seam lines, which enhances the tube’s long-term durability, especially in aggressive chemical or marine environments.
- Reliability in Critical Applications: Due to their strength, precision, and integrity, seamless tubes are ideal for instrumentation, hydraulic systems, and process control setups, where failure is not an option.
Global Export Network for Stainless steel instrumentation Tubing
As a trusted manufacturer and exporter, New Eagle Steel supplies Stainless Steel Instrumentation Tubes 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
Stainless Steel Instrumentation Tubes in Various 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
