When Nickel's Needed...
Nickel Alloys
When customers ask for the ultimate in toughness and corrosion resistance, Continental answers with nickel alloys. Complex down-hole tools and lining or cladding for pipes, storage vessels, well-heads and assemblies are typical nickel applications. Nickel is weldable, and plays nicely with steel.
When Nickel's Needed...
Nickel Alloys Grades
Nickel alloys are not steels. As the name suggests, they are based on nickel, with other elements added for specific purposes. Some nickel alloys are hardened by heat treatment; others are strengthened by cold working. They cannot be strengthened by quenching and tempering, as steels can. Nickel alloys are extremely corrosion-resistant, even at very high strength levels. They are significantly more expensive than steel.
Key Characteristics
- Extreme corrosion resistance
- Superior toughness at high strength
- High-temperature capability
- Excellent weldability
- Premium material for critical applications
Applications
- Extreme corrosive environments
- High-pressure, high-temperature wells
- Highly sour service (H2S)
- Deep subsea equipment
- Cladding and overlays
- Critical downhole tools
| Element | Min % | Max % |
|---|---|---|
| C | - | 0.1 |
| Mn | - | 0.5 |
| Mo | 8 | 10 |
| Cr | 20 | 23 |
| Ni | - | 58 |
| Ti | - | 0.4 |
| P | - | 0.015 |
| S | - | 0.015 |
| Si | - | 0.5 |
| Al | - | 0.4 |
| Mechanical Properties | Metric | Imperial |
|---|---|---|
| Tensile Strength | 827 MPa min | 120,000 psi min |
| Yield Strength | 414 MPa min | 60,000 psi min |
| Total Elongation Under Load | 20.000 % | - |
| Hardness | 35 Max HRC | - |
| Element | Min % | Max % |
|---|---|---|
| C | - | 0.045 |
| Mn | - | 0.35 |
| Mo | 2.8 | 3.3 |
| Cr | 17 | 21 |
| Ni | - | 55 |
| Cu | - | 0.23 |
| Ti | - | 1.15 |
| P | - | 0.01 |
| S | - | 0.01 |
| Si | - | 0.35 |
| Al | - | 0.6 |
| Mechanical Properties | Metric | Imperial |
|---|---|---|
| Tensile Strength | 1,034 MPa min | 150,000 psi min |
| Yield Strength | 862 MPa min 1,000 MPa max | 125,000 psi min 145,000 psi max |
| Total Elongation Under Load | 20.000 % | - |
| Hardness | 40 Max HRC | - |
| Element | Min % | Max % |
|---|---|---|
| C | - | 0.05 |
| Mn | - | 1 |
| Mo | 0.25 | 0.35 |
| Cr | 19.5 | 23.5 |
| Ni | - | 46 |
| Cu | - | 3 |
| Ti | - | 1.2 |
| S | - | 0.03 |
| Si | - | 0.5 |
| Al | - | 0.2 |
| Mechanical Properties | Metric | Imperial |
|---|---|---|
| Tensile Strength | 586 MPa min | 85,000 psi min |
| Yield Strength | 241 MPa min | 35,000 psi min |
| Total Elongation Under Load | 30.000 % | - |
| Hardness | 35 Max HRC | - |
| Element | Min % | Max % |
|---|---|---|
| C | - | 0.03 |
| Mn | - | 1 |
| Mo | 2.5 | 3.5 |
| Cr | 19.5 | 22.5 |
| Ni | - | 46 |
| Cu | - | 3 |
| Ti | - | 2.4 |
| P | - | 0.03 |
| S | - | 0.03 |
| Si | - | 0.5 |
| Al | - | 0.5 |
| Mechanical Properties | Metric | Imperial |
|---|---|---|
| Tensile Strength | 965 MPa min | 140,000 psi min |
| Yield Strength | 758 MPa min | 110,000 psi min |
| Total Elongation Under Load | 20.000 % | - |
| Hardness | 38 Max HRC | - |
| Element | Min % | Max % |
|---|---|---|
| C | - | 0.18 |
| Mn | - | 1.5 |
| Ni | - | 63 |
| Cu | - | 33 |
| Ti | - | 0.85 |
| S | - | 0.01 |
| Si | - | 0.5 |
| Al | - | 3.15 |
| Mechanical Properties | Metric | Imperial |
|---|---|---|
| Tensile Strength | 931 MPa min | 135,000 psi min |
| Yield Strength | 655 MPa min | 95,000 psi min |
| Total Elongation Under Load | 20.000 % | - |
| Hardness | 35 Max HRC | - |
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