Hastelloy C276 Buttweld Fittings are a super-alloy ideal for high-temperature applications. They're made of nickel, chromium, and molybdenum, providing excellent corrosion resistance to oxidizing environments. The fittings have low carbon content, making them resistant to pitting and crevice corrosion. Our high-grade fittings suit extreme environmental conditions, making them ideal for various industrial applications.
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What are Hastelloy C276 Buttweld Fittings?
Hastelloy C276 Buttweld Fittings are highly corrosion-resistant fittings used in various industrial applications. They are made from an alloy known as Hastelloy C276, a nickel-molybdenum-chromium-containing alloy with excellent resistance to pitting and crevice corrosion in oxidizing and reducing environments. The high molybdenum content provides exceptional resistance to localized corrosion such as pitting and crevice attack, while the chromium content provides superior oxidation resistance up to 2000°F (1093°C).
What are the features of Hastelloy C276 Buttweld Fittings?
The primary features of Hastelloy C276 Buttweld Fittings include their excellent strength at elevated temperatures, good weldability properties, and superb corrosion resistance. The fittings are also robust, malleable, and easily formed into various shapes. Additionally, these fittings have superior hot workability, which makes them an ideal choice for fabricating complex components quickly and accurately.
What are the advantages of Hastelloy C276 Buttweld Fittings?
Hastelloy C276 Buttweld Fittings have numerous advantages over other types of fittings. These include their high corrosion resistance in both acidic and alkaline environments, superior strength at higher temperatures, good weldability properties, excellent formability when cold worked, and the fact that they don't rust or suffer from crevice corrosion in oxidizing and reducing environments.
What are the applications of Hastelloy C276 Buttweld Fittings?
Hastelloy C276 Buttweld Fittings are ideal for various industries, including chemical processing, pharmaceuticals, petrochemicals, and saltwater equipment. These fittings offer superior corrosion resistance in highly corrosive environments, making them a go-to choice for many industrial applications. They can join pipes together securely and safely while withstanding the harshest conditions. They also have excellent strength at elevated temperatures, making them ideal for high-temperature applications. Additionally, these fittings have excellent weldability properties, which make it easy to create strong connections without compromising their performance or integrity.
Palgotta Metal Pvt Ltd is one of the leading suppliers of Hastelloy C276 Buttweld Fittings in India. Our superior quality fittings are renowned for their strength, corrosion resistance, and durability. We offer a range of sizes from ½ inch to 24 inches that can meet all your piping requirements. All our products are manufactured under strict quality control and following international standards. We guarantee our products will provide you with many years of reliable service. Contact us today to learn more about our Hastelloy C276 Fittings and how we can help you with your project needs.
STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | OR | GOST |
Hastelloy C276 | N10276 | 2.4819 | - | NiMo16Cr15W | NW 0276 | ЭП760 | ХН65МВУ |
Grade | C | Mo | Mn | Si | Fe | P | S | Co | Cr | W | V | Ni |
C276 | 0.01 | 15.0 – 17.0 | 1.0 | 0.08 | 4.00 – 7.00 | 0.04 | 0.03 | 2.5 | 14.5 – 16.5 | 3 – 4.5 | 0.35 | Bal |
Grade | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
C276 | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 52,000 , MPa – 355 | Psi – 1,15,000 , MPa – 790 | 40 % |
ASME b16.9 Fittings Normal Pipe Size |
ANSI b16 9 Pipe Fitting O D Y |
Wall Thickness
T (Pipe Elbow Sch.) |
LR 45 Deg Elbows Centre to Face B | SR 45 Deg Elbows Weight |
LR 90 Deg Elbows Centre to Face A | LR 90 Deg Elbows Weight In Below | SR 90 Deg Elbows Centre to Face A | SR 90 Deg Elbows Weight In Below | ||
millimeter | inch. | millimeter | millimeter | Schedule | millimeter | kilogram | millimeter | kilogram | millimeter | kilogram |
15 | 1/2” | 21.3 | 2.78 | STD | 15.9 | 0.04 | 38.1 | 0.08 | – | – |
3.73 | X.S | 15.9 | 0.05 | 38.1 | 0.10 | – | – | |||
20 | 3/4” | 26.7 | 2.87 | STD | 11.1 | 0.04 | 28.6 | 0.08 | – | – |
3.91 | X.S | 11.1 | 0.05 | 28.6 | 0.11 | – | – | |||
25 | 1” | 33.4 | 3.38 | STD | 22.2 | 0.09 | 38.1 | 0.15 | 25.4 | 0.11 |
4.55 | X.S | 22.2 | 0.11 | 38.1 | 0.19 | 25.4 | 0.14 | |||
32 | 11/4” | 42.2 | 3.56 | STD | 25.4 | 0.14 | 47.6 | 0.28 | 31.75 | 0.18 |
4.85 | X.S | 25.4 | 0.2 | 47.6 | 0.39 | 31.75 | 0.24 | |||
40 | 11/2” | 48.3 | 3.68 | STD | 28.6 | 0.2 | 57.1 | 0.4 | 38.1 | 0.26 |
5.08 | X.S | 28.6 | 0.25 | 57.1 | 0.5 | 38.1 | 0.35 | |||
50 | 2” | 60.3 | 3.91 | STD | 34.9 | 0.36 | 76.2 | 0.72 | 50.8 | 0.5 |
5.54 | X.S | 34.9 | 0.5 | 76.2 | 1.0 | 50.8 | 0.68 | |||
65 | 21/2” | 73.0 | 5.16 | STD | 44.4 | 0.73 | 95.2 | 1.46 | 63.5 | 0.95 |
7.01 | X.S | 44.4 | 0.91 | 95.2 | 1.82 | 63.5 | 1.27 | |||
80 | 3” | 88.9 | 5.49 | STD | 50.8 | 1.1 | 114.3 | 2.18 | 76.2 | 1.45 |
7.62 | X.S | 50.8 | 1.45 | 114.3 | 2.86 | 76.2 | 1.95 | |||
100 | 4” | 114.3 | 6.02 | STD | 63.5 | 2.1 | 152.4 | 4.2 | 101.6 | 2.8 |
8.56 | X.S | 63.5 | 2.9 | 152.4 | 5.7 | 101.6 | 3.9 | |||
125 | 5” | 141.3 | 6.65 | STD | 79.4 | 3.4 | 190.0 | 6.8 | 127.0 | 4.8 |
9.5 | X.S | 79.4 | 5.0 | 190.0 | 10.0 | 127.0 | 6.5 | |||
150 | 6” | 168.3 | 7.11 | STD | 95.2 | 5.1 | 229.0 | 10.1 | 152.4 | 6.8 |
10.97 | X.S | 95.2 | 7.7 | 229.0 | 15.3 | 152.4 | 10.2 | |||
200 | 8” | 219.1 | 8.18 | STD | 127.0 | 10.2 | 305.0 | 20.4 | 203.0 | 13.6 |
12.7 | X.S | 127.0 | 15.5 | 305.0 | 30.9 | 203.0 | 20.9 | |||
250 | 10” | 273.9 | 9.27 | STD | 159.0 | 18.1 | 381.0 | 36.1 | 254.0 | 24.1 |
12.7 | X.S | 159.0 | 24.4 | 381.0 | 48.8 | 254.0 | 32.5 | |||
300 | 12” | 323.9 | 9.52 | STD | 190.0 | 26.6 | 457.0 | 53.1 | 305.0 | 35.4 |
12.7 | X.S | 190.0 | 35.0 | 457.0 | 70.0 | 305.0 | 46.7 | |||
350 | 14” | 355.6 | 9.52 | STD | 222.0 | 34.1 | 533.0 | 68.1 | 356.0 | 45.4 |
12.7 | X.S | 222.0 | 45.0 | 533.0 | 90.0 | 356.0 | 60.0 | |||
400 | 16” | 406.4 | 9.52 | STD | 254.0 | 45.0 | 610.0 | 89.3 | 406.0 | 59.5 |
12.7 | X.S | 254.0 | 59.0 | 610.0 | 118.0 | 406.0 | 78.7 | |||
450 | 18” | 457.0 | 9.52 | STD | 286.0 | 56.5 | 686.0 | 113.0 | 457.0 | 75.6 |
12.7 | X.S | 286.0 | 75.0 | 686.0 | 150.0 | 457.0 | 100.0 | |||
500 | 20” | 508.0 | 9.52 | STD | 318.0 | 85.0 | 762.0 | 140.0 | 508.0 | 93.5 |
12.7 | X.S | 318.0 | 112.5 | 762.0 | 186.0 | 508.0 | 124.0 | |||
600 | 24” | 610.00 | 9.52 | STD | 381.0 | 101.5 | 914.0 | 203.0 | 610.0 | 135.0 |
12.7 | X.S | 381.0 | 134.5 | 914.0 | 269.0 | 610.0 | 179.0 |
BW Fittings ANSI B16.9 Tolerance (45 And 90 degree) Elbow, End Cap, Tee, Reducer) | 90 Deg. & 45 Deg. Elbow and Tee |
Reducer & Long Lap Joint Stub End |
Cap | |||
Fitting Dimension (NPS) | Outside Daimeter Diameter at Bevel |
Inside Diameter at End |
Wall Thick T | Center-to-End Dimension A ,C ,B |
Over-all Length H |
Over-all Length F |
1/2 to 2-1/2 | +0.06 | Not less than 87.5% of nominal Thickness |
+/- 0.06 | +/- 0.06 | +/- 0.12 | |
-0.03 | ||||||
3 to 3-1/2 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
4 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
5 to 8 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.25 | |
10 to 18 | +0.16 | +/- 0.12 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
-0.12 | ||||||
20 to 24 | +0.25 | +/- 0.19 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
-0.19 | ||||||
26 to 30 | +0.25 | +/- 0.19 | +/- 0.12 | +/- 0.19 | +/- 0.38 | |
-0.19 | ||||||
32 to 48 | +0.25 | +/- 0.19 | +/- 0.19 | +/- 0.19 | +/- 0.38 | |
-0.19 |
NPS (Normal Pipe Size) | O.D. (Outside Diameter) | Ave. I.D. (Inside Diameter) |
Mani. WALL |
Normal Weight |
Maxi. W.P. psi |
1/4" | .540 | .282 | .119 | .105 | 1130 |
3/8" | .675 | .403 | .126 | .146 | 920 |
1/2" | .840 | .526 | .147 | .213 | 850 |
3/4" | 1.050 | .722 | .154 | .289 | 690 |
1" | 1.315 | .936 | .179 | .424 | 630 |
1-1/4" | 1.660 | 1.255 | .191 | .586 | 520 |
1-1/2" | 1.900 | 1.476 | .200 | .711 | 470 |
2" | 2.375 | 1.913 | .218 | .984 | 400 |
2-1/2" | 2.875 | 2.290 | .276 | 1.500 | 420 |
3" | 3.500 | 2.864 | .300 | 2.010 | 370 |
3-1/2" | 4.000 | 3.326 | .318 | 2.452 | 350 |
4" | 4.500 | 3.786 | .337 | 2.938 | 320 |
5" | 5.563 | 4.768 | .375 | 4.078 | 290 |
6" | 6.625 | 5.709 | .432 | 5.610 | 280 |
8" | 8.625 | 7.565 | .500 | 8.522 | 250 |
10" | 10.750 | 9.493 | .593 | 12.635 | 230 |
12" | 12.750 | 11.294 | .687 | 17.384 | 230 |
14" | 14.000 | 12.410 | .750 | 20.852 | 220 |
16" | 16.000 | 14.213 | .843 | 26.810 | 220 |
18" | 18.000 | 16.014 | .937 | 33.544 | 220 |
20" | 20.000 | 17.814 | 1.031 | 41.047 | 220 |
24" | 24.000 | 21.418 | 1.218 | 58.233 | 210 |
ASME B16.9 Fittings | Factory-Made Wrought Buttwelding Fittings | Long Radius Elbows, Long Radius Reducing Elbows, Long Radius Returns, Short Radius Elbows, Short Radius 180-deg Rerurns, 3D elbows, Straight Tees, Straight Crosses, Reducing Tees, Crosses, Lap Joint Stub Ends, Caps, Reducers |
ASME B16.28 | Short Radius Elbows, Short Radius 180-deg Returns | |
MSS SP43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications | Long Radius Elbows, Straight and Reducing-on-the-Outlet Tees, Lap Joint Stub ends, caps, long radius 180 Degree returns, concentric reducers, eccentric reducers |
MSS SP75 | Long Radius Elbows, 3R elbows, straight tees, reducing outlet tees, caps, reducers |
Pressure-Temperature ratings for ASME B16.9 Buttweld fittings (psig) | |||||
---|---|---|---|---|---|
Temperature Ratings | Pressure Class | ||||
150 | 300 | ||||
1/4 - 1 inch. | 1 1/4 - 2 inch. | 2 1/2 - 3 inch. | |||
(oF) | (oC) | ||||
-20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
200 | 93 | 265 | 1785 | 1350 | 910 |
250 | 121 | 225 | 1575 | 1200 | 825 |
300 | 149 | 185 | 1360 | 1050 | 735 |
350 | 177 | 150 | 1150 | 900 | 650 |
400 | 204 | - | 935 | 750 | 560 |
450 | 232 | - | 725 | 600 | 475 |
500 | 260 | - | 510 | 450 | 385 |
550 | 288 | - | 300 | 300 | 300 |
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