Pipe-Lok Vales & Fittings Company delivers precision-engineered instrumentation fittings and valves trusted for reliability, safety, and performance in industrial applications with a strong focus on engineering excellence and quality control.
Cupro Nickel alloys (90/10 and 70/30) offer excellent resistance to seawater corrosion and biofouling, making them the industry standard for VCR fittings in marine, desalination and offshore piping systems.
A copper-nickel alloy with 10% nickel content, offering excellent resistance to seawater corrosion and biofouling with good fabricability.
| Element | Weight Percentage (%) |
|---|---|
| Copper (Cu) | Balance |
| Nickel (Ni) | 9.0 - 11.0 |
| Iron (Fe) | 1.0 - 1.8 |
| Manganese (Mn) | 1.00 max |
| Zinc (Zn) | 1.00 max |
| Lead (Pb) | 0.05 max |
| Carbon (C) | 0.05 max |
*Composition limits are as per the applicable ASTM/ASME/UNS specification; actual limits may vary depending on product form.
90/10 Cupro Nickel offers good strength and excellent long-term seawater corrosion resistance.
| Property | Typical / Minimum Value |
|---|---|
| Tensile Strength | 275 MPa min |
| 0.2% Yield Strength | 105 MPa min |
| Elongation | 30% min |
| Hardness | 65 HB |
| Density | Approx. 8.9 g/cm³ |
*Mechanical requirements depend on product form, heat treatment and applicable ASTM/ASME specification. Confirm final values against the material specification used for the VCR fitting component.
A copper-nickel alloy with 30% nickel content, offering higher strength and superior resistance to erosion-corrosion compared to 90/10.
| Element | Weight Percentage (%) |
|---|---|
| Copper (Cu) | Balance |
| Nickel (Ni) | 29.0 - 33.0 |
| Iron (Fe) | 0.4 - 1.0 |
| Manganese (Mn) | 1.00 max |
| Zinc (Zn) | 1.00 max |
| Carbon (C) | 0.05 max |
*Composition limits are as per the applicable ASTM/ASME/UNS specification; actual limits may vary depending on product form.
70/30 Cupro Nickel provides superior resistance to high-velocity seawater erosion-corrosion compared to the 90/10 grade.
| Property | Typical / Minimum Value |
|---|---|
| Tensile Strength | 365 MPa min |
| 0.2% Yield Strength | 125 MPa min |
| Elongation | 30% min |
| Hardness | 75 HB |
| Density | Approx. 8.9 g/cm³ |
*Mechanical requirements depend on product form, heat treatment and applicable ASTM/ASME specification. Confirm final values against the material specification used for the VCR fitting component.
High-performance material specifications for our complete VCR Fittings range.
Engineered for demanding fluid and gas-handling systems where leak-tight sealing, corrosion resistance and long service life are essential.
Excellent resistance to seawater corrosion in shipboard and offshore piping systems.
Widely used in heat exchanger tubing and HVAC piping systems.
Reliable performance in potable water and desalination piping networks.
Used in cooling and utility piping systems across oil and gas facilities.
Condenser tubing and cooling water systems in power generation plants.
Versatile use across general industrial fluid handling and instrumentation systems.