Monel K500 Instrumentation tubes , Monel K500 Instrumentation Tube Manufacturer,Monel K500 Instrumentation Tube Supplier,Monel K500 Instrumentation Tube Exporter, Monel K500 Precision Tubing, Monel K500 Small Diameter Tube ,Monel K500 Instrumentation Tubes
Monel K500 instrumentation tubes are high-performance tubing products made from a precipitation-hardened nickel-copper alloy (UNS N05500), developed to provide a unique combination of excellent corrosion resistance and significantly higher mechanical strength compared to standard Monel 400. This enhanced strength is achieved through the addition of aluminum and titanium, followed by an age-hardening heat treatment process. As a result, Monel K500 tubes retain the trusted corrosion resistance of Monel 400 while offering improved resistance to mechanical stress, erosion, and fatigue in harsh operating environments.
These tubes are designed for use in instrumentation and control systems where high strength, pressure resistance, and durability are critical. Monel K500 instrumentation tubing is widely utilized in industries such as oil and gas, marine engineering, chemical and petrochemical processing, and aerospace. Applications include impulse lines, hydraulic and pneumatic systems, pressure sensing lines, and control panels, especially in offshore and sour gas (H₂S) environments where traditional stainless steels may fail due to stress corrosion cracking.
Monel K500 instrumentation tubes are available in seamless or welded forms, with precise tolerances and smooth internal surfaces to ensure optimal flow and minimal contamination. These tubes conform to standards such as ASTM B165, ASTM B775, and NACE MR0175, making them suitable for use in critical systems and sour service conditions. The tubes are typically supplied in sizes ranging from 1/8" to 1" in outer diameter, with wall thicknesses tailored to meet specific pressure and application requirements.
One of the key advantages of Monel K500 over other alloys is its exceptional performance in chloride-rich, acidic, and alkaline environments, particularly under high-pressure and high-temperature conditions. It is also resistant to seawater corrosion, pitting, and crevice corrosion, and retains its properties in cryogenic as well as elevated temperature applications. Furthermore, it exhibits non-magnetic behavior in the annealed condition, making it ideal for use near sensitive instrumentation and electronic systems.
Specification of Monel K500 Instrumentation tubes
| Property | Specification |
|---|---|
| Material Designation | Monel K500 (UNS N05500) |
| Standards | ASTM B165, ASTM B775, ASTM B730, NACE MR0175 |
| Form | Seamless or Welded Instrumentation Tubes |
| Outer Diameter (OD) | 1/8" to 1" (3.18 mm to 25.4 mm) |
| Wall Thickness | 0.020" to 0.083" (0.5 mm to 2.1 mm) |
| Tube Lengths | Straight lengths (up to 6 meters) or coils (custom on request) |
| Finish | Bright Annealed, Cold Drawn |
| Tensile Strength (min) | 965 MPa (140 ksi) |
| Yield Strength (0.2% Offset) | 690 MPa (100 ksi) |
| Elongation (min) | 20% |
| Hardness (age-hardened) | Up to 35 HRC |
| Density | 8.44 g/cm³ |
| Melting Range | 1315–1350°C (2400–2460°F) |
| Temperature Range | -200°C to +600°C (-328°F to +1110°F) |
| Corrosion Resistance | Excellent in seawater, sour gas (H₂S), acids, alkalis, and chloride environments |
| Magnetic Properties | Non-magnetic when annealed; may become slightly magnetic after aging |
| Applications | Instrumentation lines, impulse tubing, chemical injection, control systems |
In summary, Monel K500 instrumentation tubes offer a superior solution for demanding applications that require both robust mechanical performance and long-term corrosion resistance. With its high strength, resistance to chemical attack, and reliability in extreme conditions, Monel K500 is a preferred material for engineers and designers working in offshore, chemical, and high-integrity process environments. These qualities ensure a longer service life, lower maintenance costs, and safer operation in mission-critical systems.
Chemical Composition of Monel K500 Instrumentation tubes
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 63.0 min (including Co) |
| Copper (Cu) | 27.0 – 33.0 |
| Aluminum (Al) | 2.30 – 3.15 |
| Titanium (Ti) | 0.35 – 0.85 |
| Iron (Fe) | ≤ 2.0 |
| Manganese (Mn) | ≤ 1.5 |
| Silicon (Si) | ≤ 0.5 |
| Carbon (C) | ≤ 0.25 |
| Sulfur (S) | ≤ 0.01 |
| Cobalt (Co) | ≤ 2.5 (included in Ni) |
With a proven track record as a Monel K500 Instrumentation tubes exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice for SSK500tubing worldwide.
Specification of Monel K500 Instrumentation tubes
| Property | Specification |
|---|---|
| Material Designation | Monel K500 (UNS N05500) |
| Standards | ASTM B165, ASTM B775, ASTM B730, NACE MR0175 |
| Form | Seamless or Welded Instrumentation Tubes |
| Outer Diameter (OD) | 1/8" to 1" (3.18 mm to 25.4 mm) |
| Wall Thickness | 0.020" to 0.083" (0.5 mm to 2.1 mm) |
| Tube Lengths | Straight lengths (up to 6 meters) or coils (custom on request) |
| Finish | Bright Annealed, Cold Drawn |
| Tensile Strength (min) | 965 MPa (140 ksi) |
| Yield Strength (0.2% Offset) | 690 MPa (100 ksi) |
| Elongation (min) | 20% |
| Hardness (age-hardened) | Up to 35 HRC |
| Density | 8.44 g/cm³ |
| Melting Range | 1315–1350°C (2400–2460°F) |
| Temperature Range | -200°C to +600°C (-328°F to +1110°F) |
| Corrosion Resistance | Excellent in seawater, sour gas (H₂S), acids, alkalis, and chloride environments |
| Magnetic Properties | Non-magnetic when annealed; may become slightly magnetic after aging |
| Applications | Instrumentation lines, impulse tubing, chemical injection, control systems |
🏭 Industry & Application
- ✅ Monel K500 Instrumentation Tubes for Medical Industry
- ✅ Monel K500 Instrumentation Tubes for Chemical Processing
- ✅ Monel K500 Tubes for Instrumentation Lines
- ✅ Monel K500 Instrumentation tubes for Gas & Liquid Flow
- ✅ Monel K500 Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What is Monel K500 tubing used for?
Monel K500 instrumentation tubes are used in high-pressure and corrosive environments for instrumentation lines, impulse tubing, control systems, and chemical injection lines, particularly in oil & gas, marine, chemical processing, and aerospace industries.
Q2: How is Monel K500 different from Monel 400?
Monel K500 is a precipitation-hardened nickel-copper alloy with added aluminum and titanium for higher strength and hardness, while Monel 400 is a solid-solution alloy. K500 offers significantly better mechanical properties while maintaining similar corrosion resistance.
Q3:What are the key mechanical properties of Monel K500 tubes?
Typical tensile strength is around 965 MPa (140 ksi), yield strength about 690 MPa (100 ksi), and hardness up to 35 HRC after aging, making it suitable for high-pressure applications.
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