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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Nickel Alloy Pipe Alloy 825, Incoloy® 825 ASTM B423 and ASME SB423 UNS N08825
Alloy 825 is an alloy particularly hardy to sulphuric and phosphoric acids. A Nickel, Iron, Chromium alloy steel using the addition of copper and Molybdenum excels in acidic environments
Chemipetro supplies Alloy 825 in the following Product Forms:
Seamless pipe to ASTM B423 and ASME SB423
Welded pipe to ASTM B705 and ASME SB705
Flanges to ASTM B564 and ASME SB564
Fittings to ASTM B366 and ASME SB366
Bar to ASTM B425 and ASME SB425
Plate to ASTM B424 and ASME SB424
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) |
