Table of Contents
- ASTM B160 UNS N02200 & UNS N02201 Round Bars Overview
- Technical Specifications
- Chemical Composition & Mechanical Properties
- ASTM B160 UNS N02200 vs UNS N02201: Key Differences
- Types of Nickel Alloy Round Bars
- Key Advantages of UNS N02200 & N02201 Round Bars
- Key Applications of Nickel Alloy Round Bars
- Quality Testing & Inspection
- Global Export Markets
- Frequently Asked Questions
- Contact Aurum Overseas
ASTM B160 UNS N02200 / UNS N02201 Round Bars Supplier & Exporter
Aurum Overseas is a premier UNS N02200 and UNS N02201 Round Bars Supplier stocking 99% pure nickel rounds. Built for severe chemical duty, our stock resists caustic soda, dry halogens, synthetic fibers, heat exchangers, and electronic components.
As a trusted UNS N02200 and UNS N02201 Round Bars Exporter, we offer certified ASTM B160 / ASME SB160 round bars. Choose from precision ground Nickel Alloy 200 / 201 Bright Bars or heavy Nickel Alloy 200 / 201 Forged Bars, available in standard lengths and custom cut-to-size options.
As a leading UNS N02200 Round Bars Exporter and UNS N02201 Round Bars Exporter, we supply pure nickel round bar stock for chemical processing, aerospace, and power generation projects across key markets, including the USA, Germany, UAE, Saudi Arabia, Singapore, and Australia.
Technical Specifications
| Technical Parameter | Nickel 200 (UNS N02200) | Nickel 201 (UNS N02201) |
|---|---|---|
| Material Designation | Commercially Pure Nickel 99.0% | Low-Carbon Commercially Pure Nickel 99.0% |
| UNS Number | UNS N02200 | UNS N02201 |
| Werkstoff Number | 2.4066 | 2.4068 |
| Manufacturing Standards | ASTM B160, ASME SB160, DIN 17752, ISO 9723 | ASTM B160, ASME SB160, DIN 17752, ISO 9723 |
| Diameter Range | 5 mm to 350 mm (1/4" to 14") | 5 mm to 350 mm (1/4" to 14") |
| Length Options | 1 to 6 Meters, Custom Cut-to-Length | 1 to 6 Meters, Custom Cut-to-Length |
| Dimensional Tolerances | ISO h8, h9, h10, h11, ASTM B160 standards | ISO h8, h9, h10, h11, ASTM B160 standards |
| Delivery Conditions | Annealed, Hot Rolled, Cold Drawn, Centerless Ground | Annealed, Hot Rolled, Cold Drawn, Centerless Ground |
Chemical Composition & Mechanical Properties
Equivalent Grades
| Grade | UNS | Werkstoff Nr. | EN |
|---|---|---|---|
| Nickel 200 | N02200 | 2.4066 | Ni 99.2 |
| Nickel 201 | N02201 | 2.4068 | LC-Ni 99 |
Chemical Composition of UNS N02200 / N02201 Bars
| Chemical Element | UNS N02200 (Nickel Alloy 200) | UNS N02201 (Nickel Alloy 201) |
|---|---|---|
| Nickel (Ni) | 99.0 min | 99.0 min |
| Iron (Fe) | 0.40 max | 0.40 max |
| Copper (Cu) | 0.25 max | 0.25 max |
| Carbon (C) | 0.15 max | 0.02 max |
| Manganese (Mn) | 0.35 max | 0.35 max |
| Sulfur (S) | 0.01 max | 0.01 max |
| Silicon (Si) | 0.35 max | 0.35 max |
Mechanical Properties of UNS N02200 / N02201 Bars
| Property | UNS N02200 / UNS N02201 Specification |
|---|---|
| Tensile Strength | 462 MPa (67,000 PSI) |
| Yield Strength (0.2% Offset) | 148 MPa (21,500 PSI) |
| Elongation (%) | 45% |
| Density | 8.9 g/cm³ (0.321 lb/in³) |
| Melting Point | 1446°C (2635°F) |
ASTM B160 UNS N02200 vs UNS N02201: Key Differences
| Feature | Nickel 200 (UNS N02200) | Nickel 201 (UNS N02201) |
|---|---|---|
| Carbon Content | Standard Carbon (0.15% max) | Ultra-Low Carbon (0.02% max) |
| Temperature Limit | Max 315°C (600°F) | Above 315°C (600°F) |
| Graphitization Risk | Prone to carbon embrittlement above 315°C | Immune to graphitization at elevated temperatures |
| Tensile / Yield Strength | 462 MPa / 148 MPa | 462 MPa / 148 MPa |
| Primary Strength | High electrical & magnetic performance for ambient duty | Superior high-temperature stability & ductility |
| Best Application | Ambient caustic handling & electronic components | High-temperature caustic soda evaporators & reactors |
Types of Nickel Alloy Round Bars
Aurum Overseas supplies ASTM B160 UNS N02200 and UNS N02201 Round Bars in precision bright and heavy forged conditions for chemical and high-temperature service.
Nickel Alloy 200 / 201 Bright Bars
Nickel Alloy 200 / 201 Forged Bars
Key Advantages of UNS N02200 & N02201 Round Bars
Unmatched Caustic Alkali Defense
Resists all concentrations of caustic soda and caustic potash from ambient temperatures to molten states without stress cracking.
Immunity to Graphitization (Nickel 201)
Ultra-low carbon chemistry allows service above 315°C without intergranular carbon precipitation or loss of ductility.
High Electrical & Thermal Conductivity
Outperforms iron and stainless steel alloys in energy transfer and electronic shielding applications.
Dry Halogen Corrosion Resistance
Forms a protective passive film against dry chlorine, fluorine, and hydrogen chloride gases at elevated temperatures.
Key Applications of Nickel Alloy Round Bars
| Industry Sector | Typical Components | Main Benefit |
|---|---|---|
| Caustic Soda Production | Evaporator shafts, pump impellers, and valve stems | Resists severe erosion and stress corrosion in hot, high-concentration sodium hydroxide. |
| Chemical & Petrochemical Processing | Reactor agitators, continuous neutralization rods, and transfer pins | Maintains dimensional stability and corrosion defense in reducing chemical environments. |
| Aerospace & Defense | Missile casing components, rocket engine structural pins, and fuel hardware | High thermal conductivity combined with stable mechanical performance under rapid heat shifts. |
| Electronics & Electrical Engineering | Anodes, cathode supports, lead wires, and vacuum tube components | Exceptional magnetostrictive performance and low electrical resistivity for precision signal transfer. |
| Synthetic Fiber Production | Extrusion equipment shafts, spin pack components, and hot caustic bath rolls | Prevents product contamination caused by alloy leaching or surface oxidation. |
Quality Testing & Inspection
Every order of UNS N02200 Round Bars and UNS N02201 Round Bars supplied by Aurum Overseas undergoes strict quality testing:
- Positive Material Identification (PMI): Optical emission spectrometry verifies minimum 99.0% nickel purity and precise carbon limits.
- Mechanical Strength Verification: Confirms minimum 462 MPa tensile strength, 148 MPa yield strength, and 45% elongation performance.
- Ultrasonic Volumetric Testing: Performed per ASTM A388 to guarantee freedom from internal voids, cracks, or forging bursts.
- Dimensional Precision Check: Laser micrometers measure exact outer diameter, roundness, and straightness across every bar.
Global Export Markets
As an established ASTM B160 UNS N02200 and UNS N02201 Round Bars Exporter, Aurum Overseas supplies fully certified pure nickel round bars to global chemical and high-temperature engineering centers:
USA
Canada
Mexico
Germany
United
Kingdom
France
Italy
Netherlands
Belgium
Spain
Poland
UAE
Saudi
Arabia
Qatar
Kuwait
Oman
Bahrain
Frequently Asked Questions
UNS N02200 contains standard carbon (0.15% max) for service below 315°C. UNS N02201 has ultra-low carbon (0.02% max), making it safe for continuous high-temperature duty above 315°C without risk of graphitization embrittlement.
ASTM B160 is the standard specification covering hot-worked and cold-worked Nickel 200 and Nickel 201 rod and bar, establishing required chemical composition, mechanical properties, and dimensional tolerances.
Yes. Precision Nickel Alloy 200 / 201 Bright Bars machine cleanly when using high-speed steel or carbide tooling with adequate lubrication to manage work-hardening tendencies.
Both grades offer world-class resistance to caustic soda and all sodium hydroxide concentrations. For high-temperature molten caustic applications, UNS N02201 is required to prevent carbon embrittlement.
Yes. All orders are dispatched with EN 10204 3.1 Mill Test Certificates containing full chemical composition heat analysis and physical test verification.
Contact Aurum Overseas
Aurum Overseas supplies fully certified ASTM B160 UNS N02200 and UNS N02201 Nickel Round Bars tailored for high-purity chemical processing and high-temperature service.
Contact our technical sales team for immediate stock checks, custom cutting options, or formal quotes: