TOBO STEEL GROUP CHINA
TOBO GROUP TOBO International Trading(Shanghia)Co.,Ltd Tianda Oil Pipe Co., Ltd TOBO Pipeline Equipment Co.,Ltd TPCO & TISCO Pipe(Tianjin)Co.,Ltd.
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Alloy C22, Hastelloy® C22 Nickel Alloy Pipe ASTM B622 ASME SB622 UNS N06022
Alloy 22 is a Chromium, Molybdenum, and Tungsten with controlled Iron content giving excellent resistance to crevice and pitting corrosion in acidic environments.
Chemipetro supplies Alloy 22 in the following Product Forms:
Seamless pipe to ASTM B622 and ASME SB622
Welded pipe to ASTM B619 and ASME SB619
Flanges to ASTM B564 and ASME SB564
Fittings to ASTM B366 and ASME SB366
Bar to ASTM B574 and ASME SB574
Plate to ASTM B575 and ASME SB575
Chemical Composition
Nickel (plus cobalt) ......................................................99.0 min.
Copper........................................................................0.25 max.
Iron..............................................................................0.40 max.
Manganese .................................................................0.35 max.
Carbon........................................................................0.15 max.
Silicon .........................................................................0.35 max.
Sulfur ..........................................................................0.01 max
Physical Properties of Nickel Alloy 200/201 in the Annealed Condition at -20°F to +100°F
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| Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 in. (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106psi) | Mean Coefficient of Thermal Expansion ((IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ ft2-h-°F) |
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| 200 | N02200 | B725, B730 | 55,000* | 380* | 55 | 15,000* | 105* | 15 | 35* | — | — | 30.0 | 7.4 | 533 | ||||||||||||||||||||||
| 201 | N02201 | B725, B730 | 50,000* | 345* | 50 | 12,000* | 80* | 12 | 35* | — | — | 30.0 | 7.4 | 533 | ||||||||||||||||||||||
*Annealed Condition
Composition of Nickel Alloy 200/201 tubing and pipe
| Grade | 200 | 201 |
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| UNS Designation | N02200 | N02201 |
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| Nickel (Ni) | 99.0 Min. (Plus Cobalt) | 99.0 Min. (Plus Cobalt) | |||
| Chromium (Cr) | — | — | |||
| Iron (Fe) | 0.40 Max. | — | |||
| Molybdenum (Mo) | — | — | |||
| Titanium (Ti) Max. | — | — | |||
| Aluminum (Al) Max. | — | — | |||
| Cobalt (Co) Max. | — | — | |||
| Tungsten (W) | — | — | |||
| Vanadium (V) Max. | — | — | |||
| Copper (Cu) Max. | 0.25 | 0.25 | |||
| Manganese (Mn) Max. | 0.35 | 0.35 | |||
| Niobium (Nb) plus Tantalum | — | — | |||
| Carbon (C) Max. | 0.15 | 0.02 | |||
| Nitrogen (N) Max. | — | — | |||
| Silicon (Si) Max. | 0.35 | 0.35 | |||
| Sulphur (S) Max. | 0.01 | 0.01 | |||
| Phosphorous (P) Max. | — | — | |||
| Other Elements | — | — | |||
Nickel Alloy 200/201 Product Range
| Alloy | UNS Designation | Werkstoff NR. | Specifications* |
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| 200 | N02200 | 2.4066 | B161, B163 | ||||
| 201 | N02201 | 2.4061 | B161, B163 | ||||
Nickel Products
| NICKEL PIPES and TUBES: All types of seamless & welded pipes & tubes are available in all sizes and grades. Grade: Nickel 200 (UNS 02200), Nickel 201 (UNS 02201), Nickel 205 (UNS 205) |
