Stainless Steel Pipe
Industrial-grade stainless steel pipe for high-pressure fluid transport and structural applications
Heavy-duty 304/316 stainless steel pipe delivers exceptional corrosion resistance and structural reliability for industrial piping systems, utility fluid transport, and high-pressure applications. Engineered for decades of dependable service.
Quick Specifications
- Material Designation
- ASTM A 312 / UNS S30400 (304) or S31600 (316)
- Werkstoff Number
- 1.4301 (304) or 1.4401 (316)
- Form
- Seamless or Welded Pipe
- Tensile Strength
- 515 - 620 MPa (annealed)
- Yield Strength
- 205 - 310 MPa
- Elongation
- 30% minimum
Standards & Certifications
Product Description
Stainless steel pipe is engineered specifically for demanding industrial applications requiring superior corrosion resistance combined with high pressure-rating capability. The material's austenitic chromium-nickel composition provides exceptional resistance to atmospheric corrosion, seawater exposure, and mildly aggressive chemical media. Pipe construction enables design of robust fluid transport systems operating at elevated pressures while maintaining dimensional stability and long-term reliability even under thermal cycling and mechanical vibration.
Our stainless steel pipe is manufactured through seamless piercing and rolling or welded processes, followed by rigorous quality control testing to verify pressure ratings, dimensional accuracy, and material properties. Each pipe is subjected to hydrostatic pressure testing to ensure integrity and leakage-free performance. Available in Schedule 10, Schedule 40, and Schedule 80 designations, the pipes accommodate diverse pressure and load-bearing requirements.
Stainless steel pipe is supplied in straight lengths typically up to 6-12 meters, enabling efficient installation in diverse industrial, utility, and infrastructure applications. The pipe's superior machinability enables threading, beveling, and connection preparation at the job site. Connection options include socket-weld, butt-weld, and threaded ends depending on application requirements and system design preferences.
With proven reliability across industries including oil and gas production, chemical processing, power generation, and municipal water systems, stainless steel pipe stands as the benchmark standard for engineered piping systems demanding uncompromising quality and extended service life.
Specifications
| Material Designation | ASTM A 312 / UNS S30400 (304) or S31600 (316) |
| Werkstoff Number | 1.4301 (304) or 1.4401 (316) |
| Form | Seamless or Welded Pipe |
| Tensile Strength | 515 - 620 MPa (annealed) |
| Yield Strength | 205 - 310 MPa |
| Elongation | 30% minimum |
| Pipe Schedules Available | Schedule 5, 10, 20, 30, 40, 60, 80, 120, 140, 160 |
| Density | 8.0 g/cm³ |
| Melting Point | 1399 - 1418°C |
| Thermal Conductivity | 16.3 W/m·K at 100°C |
| Modulus of Elasticity | 193 GPa |
| Maximum Service Temperature | 425°C (continuous) |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 8.0 - 12.0 |
| Molybdenum (Mo) | ≤ 0.75 (316 grade) |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Annealed) | 515 - 620 MPa |
| Yield Strength (Annealed) | 205 MPa minimum |
| Elongation | 30% minimum |
| Reduction of Area | 50% minimum |
| Hardness (Annealed) | 217 HV maximum |
| Impact Strength (Charpy V) | ≥ 100 J at room temperature |
| Pressure Rating (Sch. 40, 1 inch) | ≥ 100 bar |
| Fatigue Strength (1000 cycles) | ≥ 155 MPa |
Key Features & Advantages
Applications
Oil and Gas Production Systems
Manufacturing of onshore and offshore production piping, injection lines, and utility service tubing where corrosion resistance and pressure containment prevent costly operational interruptions and environmental contamination.
Power Generation Plant Piping
Fabrication of boiler feedwater systems, condensate return lines, and utility service piping in thermal and nuclear power plants where reliability and corrosion resistance are essential to plant operations.
Chemical Processing Plant Piping
Construction of corrosive fluid transport systems, reactor cooling lines, and utility distribution networks in chemical manufacturing where superior corrosion resistance prevents leakage failures.
Municipal and Industrial Water Systems
Manufacturing of potable water distribution networks, wastewater collection systems, and utility service piping where corrosion resistance and hygienic properties meet public health standards.
HVAC and Cooling Systems
Production of chilled water distribution lines, hot water heating systems, and thermal transport piping in commercial and industrial buildings where efficient heat transfer and reliability are design imperatives.
Pharmaceutical and Food Manufacturing
Fabrication of process fluid transport systems, steam distribution networks, and cleanroom utility piping where absolute material purity and sterilization compatibility are non-negotiable requirements.
Frequently Asked Questions
What is the difference between Schedule 40 and Schedule 80 stainless steel pipe?
Can stainless steel pipe be threaded, or must connections be welded?
What filler material should be used when welding stainless steel pipe?
What is the maximum safe operating temperature for stainless steel pipe in continuous service?
How is stainless steel pipe suitable for seawater applications compared to carbon steel?
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