Nickel 200
Nickel 200 is commercially pure wrought nickel with good resistance to many reducing chemicals and caustic alkalis. The legacy folder spelling is retained, but the material name is Nickel 200.
Nickel 200 Information
Nickel 200 is commercially pure wrought nickel with good resistance to many reducing chemicals and caustic alkalis. The legacy folder spelling is retained, but the material name is Nickel 200.
Metallic winding and compatible ring components where service conditions are suitable.
| UNS Number | N02200 |
|---|---|
| Correct Spelling | Nickel 200 |
| Material Type | Commercially pure wrought nickel |
| Common / Applicable Specification | ASTM B162 (plate/sheet/strip) |
| Typical Gasket Use | Metallic winding and compatible ring components where service conditions are suitable. |
Nickel 200 Chemical Composition
Reference composition limits are shown below. Exact requirements should be confirmed against the applicable product specification and certified material documentation.
| Element / Constituent | Symbol | Composition / Information |
|---|---|---|
| Nickel + Cobalt | Ni+Co | 99.0 min. |
| Carbon | C | 0.15 max. |
| Copper | Cu | 0.25 max. |
| Iron | Fe | 0.40 max. |
| Manganese | Mn | 0.35 max. |
| Silicon | Si | 0.35 max. |
| Sulfur | S | 0.010 max. |
Nickel 200 Mechanical Properties
Reference room-temperature properties are shown for a commonly supplied condition. Exact requirements depend on product form, size, heat treatment and governing specification.
| Property | Reference Value | Unit / Basis |
|---|---|---|
| Tensile Strength | Typical annealed ≈380–550 | MPa |
| 0.2% Offset Yield Strength | Typical annealed ≈100–170 | MPa |
| Elongation | Typical annealed ≈40 | % |
Values shown are engineering reference data, not universal design allowables. Final procurement and design must use the governing specification, exact product form/condition and certified material test documentation.
Nickel 200 Physical & Service Information
Reference physical properties and service considerations relevant to material selection for Spiral Wound Gaskets.
| Density | Approx. 8.89 g/cm³ |
|---|---|
| Structure | Commercially pure nickel |
| Corrosion Behaviour | Excellent resistance to caustic alkalis and many reducing media. |
| Temperature Note | Nickel 200 has higher carbon than Nickel 201; for service above roughly 315°C, Nickel 201 is generally preferred to avoid graphitization concerns. |
| Service Selection | Use the exact product form and certified condition for final mechanical values. |
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