ASTM B622 Hastelloy C276 N10276 2.4819 Nickel Alloy Seamless Tube
ASTM B622 Hastelloy C276 N10276 2.4819 Nickel Alloy Seamless Tube
This specification covers seamless pipe and tube of nickel and nickel-cobalt alloys (UNS N10001, UNS N10242, UNS N10665, UNS N12160, UNS N10675, UNS N10276, UNS N06455, UNS N06007, UNS N08320, UNS N06975, UNS N06002, UNS N06985, UNS N06022, UNS N06035,
UNS N06044, UNS N08135, UNS N06255, UNS N06058, UNS N06059, UNS N06200, UNS N10362, UNS N06030, UNS N08031, UNS N08034, UNS R30556, UNS N08535, UNS N06250, UNS N06060, UNS N06230, UNS N06686, UNS N10629, UNS N06210, UNS N10624, and UNS R20033).
Hastelloy C-276 alloy is considered a universal corrosion resistant alloy. Mainly resistant to wet chlorine, a variety of oxidizing chlorides, chlorinated salt solutions, sulfuric acid and oxidizing salts, in the low temperature and medium temperature hydrochloric acid have very good corrosion resistance.
ASTM B622 Seamless Pipes and Tubes Specifications
| Size | 6.00 mm OD up to 914.4 mm OD |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS |
| Length | Within 13500mm |
| Type | Seamless Pipes, Seamless Tubes |
| Grades | UNS N10276, UNS N06022, UNS N10665 , C22, C276 , B2, B3, X, C4, C2000 |
Surface Finish Options Of Hastelloy C276 Tubing
| Code Finish | Contact Surface of Non-Product (Maximum Ra) |
Contact Surface of product (Maximum Ra)* |
|---|---|---|
| -SF | Mill Finish | Sanitary Finish* |
| -PL | 32 µ-inch (0.8 µm) | 20 µ-inch (0.5 µm) |
| -PU | Mill Finish | Mill Finish |
Hastelloy C276 Chemical Composition
|
Element |
Content (%) |
|---|---|
|
Nickel, Ni |
57 |
|
Molybdenum, Mo |
15-17 |
|
Chromium, Cr |
14.5-16.5 |
|
Iron, Fe |
4-7 |
|
Tungsten, W |
3-4.50 |
|
Cobalt, Co |
2.50 |
|
Manganese, Mn |
1 |
|
Vanadium, V |
0.35 |
|
Silicon, Si |
0.080 |
|
Phosphorous, P |
0.025 |
|
Carbon, C |
0.010 |
|
Sulfur, S |
0.010 |
Mechanical Properties
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 52,000 , MPa – 355 | Psi – 1,15,000 , MPa – 790 | 40 % |
Hastelloy C276 Equivalent Grade
| Grade | WERKSTOFF NR. | UNS |
| Hastelloy C276 | 2.4819 | N10276 |
Applications:
Hastelloy C276 is a nickel-based alloy of nickel-molybdenum-chromium-iron-tungsten series. It is one of the most corrosion-resistant modern metal materials. It is mainly resistant to wet chlorine, various oxidizing chlorides, chloride salt solutions, sulfuric acid and oxidizing salts, and has good corrosion resistance in low-temperature and medium-temperature hydrochloric acid. Therefore, in the past thirty years, it has been widely used in harsh corrosive environments such as chemical, petrochemical, flue gas desulfurization, pulp and paper, environmental protection and other industrial fields.
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