ASTM B161 Seamless Nickel 200, Nickel 201 Pipe and Tube
- Type: Seamless Pipe and Tube
- Grade: UNS N02200 (Nickel 200), UNS N02201 (Nickel 201)
- Outside Diameter (OD): NPS 1/8″ -8″ 910.3-219.1mm)
- Wall Thickness (WT): SCH5, SCH10, SCH40, SCH80
ASTM B161 Seamless Nickel 200, Nickel 201 Pipe and Tube
Golden Sunbird Metals supplies ASTM B161 seamless Nickel 200 and Nickel 201 pipe and tube for applications that require exceptional corrosion resistance, high thermal conductivity, and reliable performance in demanding environments. Nickel 200 and Nickel 201 are commercially pure nickel alloys known for excellent resistance to caustic alkalis, neutral and alkaline salts, and many reducing chemicals. Nickel 201, with its lower carbon content, is especially suitable for service at elevated temperatures where minimizing graphitization is important. ASTM B161 seamless nickel pipe and tube is widely used in chemical processing, food processing, marine systems, heat exchangers, aerospace, and electrical industries. With excellent mechanical properties, stable performance, and strong resistance to corrosion, these alloys are a trusted choice for critical industrial applications. Golden Sunbird Metals provides high-quality ASTM B161 Nickel 200 and Nickel 201 seamless pipe and tube with precise dimensions, strict quality control, and dependable supply to meet international project requirements.
Chemical Composition (wt%) of ASTM B161 Seamless Nickel 200, Nickel 201 Pipe and Tube
| Element | Nickel 200 / UNS N02200 | Nickel 201 / UNS N02201 |
| Nickel (Ni) min. | 99 | 99 |
| Iron (Fe) max. | 0.4 | 0.4 |
| Manganese (Mn) max. | 0.35 | 0.35 |
| Carbon (C) max. | 0.15 | 0.02 |
| Silicon (Si) max. | 0.35 | 0.35 |
| Copper (Cu) max. | 0.25 | 0.25 |
| Sulfur (S) max. | 0.01 | 0.01 |
Mechanical Properties of ASTM B161 Seamless Nickel 200, Nickel 201 Pipe and Tube
| Property | Nickel 200 / UNS N02200 | Nickel 201 / UNS N02201 |
| Tensile Strength (min) | 550 MPa (80 ksi) | 380 MPa (55 ksi) |
| Yield Strength 0.2% Offset (min) | 105 MPa (15 ksi) | 105 MPa (15 ksi) |
| Elongation (min) | 40% | 40% |
Features
- ASTM B161 seamless nickel pipe and tube for Nickel 200 (UNS N02200) and Nickel 201 (UNS N02201).
- High purity commercially pure nickel with excellent resistance to caustic alkalies and reducing chemicals.
- Nickel 200 offers strong corrosion resistance and good thermal/electrical conductivity;
- Nickel 201 is preferred for higher-temperature service above 315°C.
- Seamless construction provides reliable pressure performance and consistent quality for process piping and tubing.
- Available in pipe and tube sizes suitable for chemical, industrial, and sanitary service.
Technical Specifications
| Specification | Value |
| Standard | ASTM B161 Nickel Seamless Pipe and Tube |
| Grade | UNS N02200 (Nickel 200), UNS N02201 (Nickel 201) |
| Manufacturing Process | cold-worked |
| Seam Type | Seamless |
| Pipe Size | Outside Diameter (OD) Range: NPS 1/8″-8″ (10.3-219.1mm), Wall Thickness (WT) Range: SCH5, SCH10, SCH40, SCH80 |
| Tube Size | Outside Diameter (OD) Range: 6.35-127mm, Wall Thickness (WT) Range: 1.27-12.7mm |
| Length | 6000-12000mm |
| Delivery Condition | Annealed |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Test | Chemical analysis, Tensile test, Flattening test, Expansion test, Hydrostatic test, Nondestructive testing (NDT), Intergranular corrosion test, Metallographic examination |
Applications
- Caustic soda and other alkaline chemical handling systems.
- Chemical processing equipment, process piping, reactors, and heat exchangers.
- Food processing equipment where cleanliness and corrosion resistance are required.
- Electronics and electrical components benefiting from high conductivity and purity.
- Battery components, laboratory equipment, and synthetic fiber production equipment.
- Higher-temperature service where Nickel 201’s lower carbon content is an advantage.
