Nickel 201, a commercially pure wrought nickel alloy, finds extensive application in various industries due to its exceptional properties. In this comprehensive guide, we delve into the intricacies of Nickel 201 pipes, covering composition, mechanical properties, physical properties, equivalents, uses, corrosion resistance, heat treatment, machining, and welding.
What is Nickel Alloy 201 Pipe?
Nickel Alloy 201 Pipe is a seamless or welded conduit manufactured from Nickel 201, a high-purity nickel alloy renowned for its corrosion resistance and thermal stability. This alloy 201 UNS N02201 is particularly well-suited for applications in demanding environments where corrosive substances and elevated temperatures are prevalent.
ASTM B163 Nickel 201 Pipe Composition:
Nickel (Ni): 99.0% minimum
Other Elements: Small amounts of carbon, manganese, iron, copper, silicon, and sulfur.
| Nickel 201 | Ni | C | Mo | Mn | Si | Fe | P | S | Cu | Cr |
| Balance | 0.15 max | – | 0.35 max | 0.35 max | 0.40 max | – | 0.01 max | 0.25 max | – |
ASTM B161 Nickel 201 Tube Mechanical Properties:
1. Tensile Strength: Approximately 58,000 psi (400 MPa)
2. Yield Strength (0.2% offset): Approximately 15,000 psi (105 MPa)
3. Elongation: 50% 45%
4. Hardness (Brinell): 120 BHN
5. Young's Modulus: 26 x 10^6 psi (179 GPa)
Nickel 201 Pipe Pressure Rating
| Pipe O.D. (in.) |
Wall Thickness of Pipe (inches) | |||||||
|---|---|---|---|---|---|---|---|---|
| .028 | .035 | .049 | .065 | .083 | .095 | .109 | .120 | |
| Working Pressure (psig) | ||||||||
| 1/8 | 7900 | 10100 | ||||||
| 1/4 | 3700 | 4800 | 7000 | 9500 | ||||
| 5/16 | 3700 | 5400 | 7300 | |||||
| 3/8 | 3100 | 4400 | 6100 | |||||
| 1/2 | 2300 | 3200 | 4400 | |||||
| 3/4 | 2200 | 3000 | 4000 | 4600 | ||||
| 1 | 2200 | 2900 | 3400 | 3900 | 4300 | |||
Schedule 40 Nickel 201 Pipe Physical Properties:
1. Density: 0.321 lb/in³ (8.89 g/cm³)
2. Melting Point: 2615°F (1440°C)
3. Specific Heat: 0.106 Btu/lb°F (444 J/kg·°C)
4. Electrical Resistivity: 56.0 μΩ·cm (at 68°F or 20°C)
Nickel 201 Pipe Equivalents:
- UNS N02201
- W.Nr. 2.4068
- alloy 201
- ASTM B161, B163, B725
Nickel Alloy 201 Seamless Pipe Corrosion Resistance:
1. Resistance to General Corrosion:
Nickel Alloy 201 welded pipe demonstrates remarkable resistance to general corrosion in various environments, including atmospheric conditions.
2. Resistance to Alkaline Solutions:
The Cold Drawn Nickel 201 Seamless Pipe is highly resistant to alkaline solutions, which makes it suitable for applications where exposure to strong bases is a consideration.
3. Resistance to Neutral and Dilute Acidic Solutions:
Nickel 201 Welded Tube is resistant to corrosion in neutral and dilute acidic solutions, enhancing its versatility in industries where exposure to acids is common.
4. Reducing Environments:
Nickel 201 alloy is particularly well-suited for use in reducing environments, providing protection against corrosion in conditions where oxidation is minimized.
5. High Purity Nickel Content:
The high purity of nickel in the alloy contributes significantly to its corrosion resistance. The absence of alloying elements that are prone to corrosion enhances the overall durability of WERKSTOFF NR. 2.4068 ERW Pipe.
6. Resistance to Stress Corrosion Cracking:
2.4068 nickel 201 Heat Exchanger Tube exhibits good resistance to stress corrosion cracking, which is beneficial in applications where sustained stress and corrosive conditions may be present.
DIN 2.4068 Nickel 201 Pipe Tube Uses:
- Chemical processing equipment
- Aerospace components
- Electronic apparatus
- Food processing machinery
- Handling of sodium hydroxide
- Nickel 201 boiled tubes Heat Treatment:
- Annealing between 1450°F and 2100°F (790°C and 1150°C) for optimal properties
Nickel 201 Pipe Machining:
Conventional machining methods applicable
Potential for work-hardening, requiring intermediate annealing
Nickel 201 Pipe Welding:
Weldable using gas tungsten arc (GTAW), gas metal arc (GMAW), submerged arc welding (SAW), and shielded metal arc welding. Recommended filler metals include Nickel Alloy 61, Nickel Alloy 82, and Nickel Alloy 625.
Testing ASTM B725 Nickel Alloy 201 Welded Pipe
- Flattening Test
- Flaring Test
- Intergranular Corrosion (IGC) Test
- Chemical Analysis – Spectro Analysis
- Hardness Test
- Pitting Resistance Test
- Micro and MacroTest
- Positive Material Identification – PMI Testing
- Mechanical Testing Such as Tensile of Area
Nickel Alloy 200 Suppliers Manufacturers
Our company is a professional and reliable one-stop service manufacturer suppliers exporters. We not only provide ASTM B161 nickel 201 pipes, tubes, plates, sheets, and round bar raw materials, but also provide alloy 201 pipe fittings, flanges, fasteners, and fabricated pipe spools service. Free samples can be provided. Contact us for a free quote.
ASTM B161 Nickel 201 Pipe Sizes ANSI/ ASME B36.19
|
ASTM B161 Nickel 201 Pipe OD |
Pipe WT |
in. |
Sch |
Kg/m |
|---|---|---|---|---|
|
13.72 |
1.65 |
1/4 |
10S |
0.50 |
|
13.72 |
2.24 |
1/4 |
40S |
0.64 |
|
13.72 |
3.02 |
1/4 |
80S |
0.81 |
|
17.15 |
1.65 |
3/8 |
10S |
0.64 |
|
17.15 |
2.31 |
3/8 |
40S |
0.86 |
|
17.15 |
3.20 |
3/8 |
80S |
1.12 |
|
21.34 |
2.11 |
1/2 |
10S |
1.02 |
|
21.34 |
2.77 |
1/2 |
40S |
1.29 |
|
21.34 |
3.73 |
1/2 |
80S |
1.65 |
|
26.67 |
2.11 |
3/4 |
10S |
1.30 |
|
26.67 |
2.87 |
3/4 |
40S |
1.71 |
|
26.67 |
3.91 |
3/4 |
80S |
2.23 |
|
33.40 |
2.77 |
1 |
10S |
2.13 |
|
33.40 |
3.38 |
1 |
40S |
2.54 |
|
33.40 |
4.55 |
1 |
80S |
3.29 |
|
33.40 |
6.352) |
1 |
160 |
4.30 |
|
42.16 |
2.77 |
1¼ |
10S |
2.73 |
|
42.16 |
3.56 |
1¼ |
40S |
3.44 |
|
42.16 |
4.85 |
1¼ |
80S |
4.53 |
|
42.16 |
6.352) |
1¼ |
160 |
5.69 |
|
48.26 |
2.77 |
1½ |
10S |
3.16 |
|
48.26 |
3.68 |
1½ |
40S |
4.11 |
|
48.26 |
5.08 |
1½ |
80S |
5.49 |
|
60.33 |
2.77 |
2 |
10S |
3.99 |
|
60.33 |
3.91 |
2 |
40S |
5.52 |
|
60.33 |
5.54 |
2 |
80S |
7.60 |
|
60.33 |
8.742) |
2 |
160 |
11.29 |
|
73.03 |
3.05 |
2½ |
10S |
5.35 |
|
73.03 |
5.16 |
2½ |
40S |
8.77 |
|
73.03 |
7.01 |
2½ |
80S |
11.59 |
|
88.90 |
3.05 |
3 |
10S |
6.56 |
|
88.90 |
5.49 |
3 |
40S |
11.47 |
|
88.90 |
7.62 |
3 |
80S |
15.51 |
|
88.90 |
11.132) |
3 |
160 |
21.67 |
|
101.60 |
3.05 |
3½ |
10S |
7.53 |
|
101.60 |
5.74 |
3½ |
40S |
13.78 |
|
101.60 |
8.08 |
3½ |
80S |
18.92 |
|
114.30 |
3.05 |
4 |
10S |
8.50 |
|
114.30 |
6.02 |
4 |
40S |
16.32 |
|
114.30 |
8.56 |
4 |
80S |
22.67 |
|
114.30 |
13.492) |
4 |
160 |
34.05 |
|
141.30 |
6.55 |
5 |
40S |
22.10 |
|
141.30 |
9.53 |
5 |
80S |
31.44 |
|
141.30 |
15.882) |
5 |
160 |
49.87 |
|
168.28 |
3.4 |
6 |
10S |
14.04 |
|
168.28 |
7.11 |
6 |
40S |
28.69 |
|
168.28 |
10.97 |
6 |
80S |
43.21 |
|
168.28 |
14.27 |
6 |
120 |
54.75 |
|
168.28 |
18.262) |
6 |
160 |
68.59 |
|
219.08 |
8.18 |
8 |
40S |
43.20 |
|
219.08 |
12.7 |
8 |
80S |
65.63 |
|
219.08 |
18.23 |
8 |
120 |
91.30 |
|
219.08 |
23.012) |
8 |
160 |
112.97 |
