ASTM B160 Nickel 201 UNS N02201 Round Bar
Nickel 201 (UNS N02201 / W.Nr. 2.4068) round bar and rod are supplied as low-carbon commercially pure nickel for applications requiring resistance to graphitization and suitable performance at elevated temperature. Dimensions, condition, testing and documentation are reviewed before quotation.
Final suitability depends on the medium, concentration, temperature, stress, fabrication route and governing design code.
Nickel 201 Round Bar Specification
| Alloy / UNS | Nickel 201 / N02201 |
|---|---|
| Werkstoff / EN | 2.4068 / LC-Ni 99.6 |
| Product standard | ASTM B160 / ASME SB-160 |
| Forms | Round bar, rod, bright bar, peeled bar, ground bar and cut pieces |
| Diameter | Common supply range 6–200 mm; other sizes subject to mill capability |
| Condition | Hot finished, cold finished, annealed or solution treated, peeled, ground or polished as specified |
| Documentation | Material test certificate and heat-number traceability as ordered |
Available Bar Forms and Processing
| Form | Processing | Order information |
|---|---|---|
| Hot-finished bar | Hot worked, heat treated and descaled or turned | Size, allowance, surface and inspection |
| Cold-finished bar | Cold drawn, peeled, ground or polished | Tolerance, straightness and roughness |
| Cut pieces | Sawn or machined blanks | Length tolerance, marking and traceability |
Equivalent Designations
| Commercial designation | UNS | Werkstoff | EN designation |
|---|---|---|---|
| Nickel 201 | N02201 | 2.4068 | LC-Ni 99.6 |
Chemical Composition
| Ni + Co | Cu | Fe | Mn | C | Si | S |
|---|---|---|---|---|---|---|
| 99.0 min | 0.25 max | 0.40 max | 0.35 max | 0.02 max | 0.35 max | 0.010 max |
Values are weight percent; final acceptance follows the ordered standard edition and material test certificate.
Mechanical and Physical Properties
| Property | Value / requirement | Purchasing note |
|---|---|---|
| Tensile strength | Confirm to ASTM B160 by size and condition | Confirm ordered size and condition |
| Yield strength | Confirm to ASTM B160 by size and condition | Confirm ordered size and condition |
| Elongation | Reported on the material test certificate | Confirm ordered size and condition |
| Density | Approx. 8.89 g/cm³ | Confirm ordered size and condition |
Heat Treatment, Machining and Fabrication
| Heat treatment | Condition and cooling practice follow the governing specification and required properties. |
|---|---|
| Machining | Use suitable tooling and positive feeds; state machining allowance and final surface. |
| Welding / fabrication | Use qualified procedures and compatible consumables selected for the service condition. |
| Clean handling | Avoid contamination for corrosion-critical and high-purity applications. |
Inspection and Quality Documentation
| Identity | Heat number and PMI when ordered |
|---|---|
| Tests | Chemical and mechanical results on the material test certificate |
| Dimensions | Diameter, length, straightness and surface inspection |
| NDT | Ultrasonic or other testing subject to order requirements |
Nickel 201 Round Bar Applications
| Industry | Components | Selection focus |
|---|---|---|
| Caustic processing | Pump shafts, valve stems and machined components | Resistance in alkaline service |
| High-temperature service | Components where low carbon is preferred | Reduced risk of graphitization compared with Nickel 200 |
| Electrical and chemical equipment | Terminals, supports and process parts | Commercially pure nickel properties |
Nickel 201 Round Bar Packaging
Bars are protected according to size, surface, package weight, route and customer specification.
| Condition | Protection | Confirmation |
|---|---|---|
| Hot-finished | Bundle, skid or wooden support | Weight and lifting points |
| Ground / polished | Separators and waterproof wrapping | Surface and moisture protection |
| Cut pieces | Blocked wooden case | Count and traceability |
Procurement Confirmation
State Nickel 201 / UNS N02201, standard edition, diameter, length, quantity, condition, tolerance, surface, testing, marking, packing and certificate requirements.
