Nickel Alloy Forging Disc Hastelloy C276 For Pulp Paper Pharmaceutical Industry
Nickel Alloy Forging Discs Hastelloy C276 Pulp Paper Pharmaceutical Industry
Nickle Alloy disc, a thin, projecting metal stripattached to asemiconductor to dissipateheat. It is widely used incatering and kitchenware,elevators,chemical equipment,machinery manufacturing,architectural decoration, metaproducts, automobiles, pressurevessels and other felds.
Hastelloy C276 (UNS N10276) is a nickel-molybdenum alloy withuniversal corrosion resistance unmatched by any other alloy. C276 is also known as Inconel C276 or Hastelloy C276 and is an improved wrought version of alloy C inthat it usualy doesn't need to be solution heat-treatedafter welding and has vastly improved fabricability. Thisaloy is resistant to the formation of grain boundaryprecipitates, specifically in the weld-heat affected zone.This attribute makes it suitable for use in the as-welded condition. It has excellent resistance to both localizedcorrosion and oxidizing or reducing media. Because of itsversatility, it can be used where corrosive conditions are likely to occur or in multipurpose plants.It's native corrosion resistant properties extendto a wide variety of chemical process environments, including strong oxidizers such as ferric and cupric chlorides, hot contaminated media(organic and inorganic),chlorine,formic and acetic acids, aceticanhydride,and seawater and brine solutions.
Applications
- Air Pollution Control — flue gas desulfurization systems – stack liners, absorbers, ducts, dampers, stack gas re-heaters and fans
- Chemical Processing — heat exchangers, pressure vessels, tanks, evaporators, piping, flanges and fittings, pumps and valves
- Oil and Gas Production — sour gas service components
- Pharmaceutical Production — reactor vessels, piping, flanges and fittings, pumps and valves
- Pulp and Paper — bleaching vessels and digestors
- Waste Treatment — incinerators for toxic, industrial and municipal waste
Mean Coefficient of Thermal Expansion:
| Temperature Range | |||
| °F | °C | in/in °F | cm/cm °C |
| 200 | 93 | 6.8 x 10-6 | 12.24 x 10-6 |
| 400 | 204 | 7.0 x 10-6 | 12.60 x 10-6 |
| 600 | 316 | 7.2 x 10-6 | 12.96 x 10-6 |
| 800 | 427 | 7.4 x 10-6 | 13.32 x 10-6 |
Recommended Tool Types & Machining Conditions:
| Operations | Carbide Tools |
| Roughing, with severeinterruption | Turning or Facing C-2 andC-3 grade: Negative rakesquare insert, 45° SCEA1,1/32 in. nose radius. Tooholder: 5° neg. back rake5° neg. side rake. Speed:30-50 sfm,0.004-0.008 in.feed, 0.150 in depth of cut.Dry2, oil3, or water-base coolant 4. |
| Normal roughing | Turning or Facing C-2 orC-3 grade: Negative ratesquare insert, 45° SCEA,1/32 in nose radius. Tooholder: 5° neg. back rake5° neg. side rake. Speed:90 sfm depending on rigidity of set up, 0.010 infeed, 0.150 in. depth ofcut. Dry, oil, or water-base coolant. |
| Finishing | Turning or Facing C-2 0rC-3 grade: Positive rakesquare insert, if possible45° SCEA, 1/32 in.noseradius. Tool holder: 5° pos.back rake, 5° pos. siderake.Speed: 95-110 sfm0.005-0.007 in. feed,0.040 in. depth of cut. Dryor water-base coolant. |
| Rough Boring | C-2 or C-3 grade: lf inserttype boring bar, use standard positive raketools with largest possibleSCEA and 1/16 in. nose radius. lf brazed tool bargrind 0° back rake, 10° posside rake, 1/32 in. nose radius and largest possible SCEA.Speed: 70 sfm depending on the rigidityof setup, 0.005-0.008 infeed, 1/8 in. depth of cut.Dry, oil or water-base coolant. |
| Finish Boring | C-2 or C-3 grade: Usestandard positive raketools on insert type bars.Grind brazed tools as fofinish turning and facingexcept back rake may bebest at 0°. Speed: 95-110sfm,0.002-0.004 in feed.Water-base coolant. |
Chemical Composition:
| Element | Ni | Mo | Cr | Fe | W | Co | Mn | C | V | P | S | Si |
| Minimum(%) | - | 15 | 14.5 | 4 | 3 | - | - | - | - | - | - | - |
| Max(%) | Bal. | 17 | 16.5 | 7 | 4.5 | 2.5 | 1 | 0.01 | 0.35 | 0.04 | 0.03 | 0.08 |
Physical Properties:
| Temp | Thermal Conductivity | Coeff. of Expansiona | Electrical Resistivity | Young’s Modulus | |||||
| °F | °C | Btu•in./ft2•h°F | W/m•°C | 10-6 in/in•°F | µm/m•°C | ohm•cmil/ft | µΩ•cm | 103ksi | GPa |
| -270 | -168 | 50 | 7.2 | - | - | - | - | - | - |
| -100 | -73 | 60 | 8.7 | - | - | 0 | - | - | - |
| 0 | 20 | 65 | 9.8 | - | - | - | - | - | - |
| 77 | 25 | - | - | - | - | 739.2 | 122.9 | 29.8 | 205 |
| 100 | 100 | 71 | 11.2 | - | 12.2 | - | 123.7 | - | 203 |
| 200 | 200 | 77 | 12.8 | 6.8 | 12.4 | 743.8 | 124.5 | 29.5 | 198 |
| 400 | 300 | 90 | 14.7 | 7.0 | 12.9 | 749.3 | 125.7 | 28.6 | 192 |
| 600 | 400 | 104 | 16.4 | 7.2 | 13.2 | 757.7 | 126.0 | 27.8 | 186 |
| 800 | 500 | 117 | 18.2 | 7.4 | 13.5 | 760.3 | 127.7 | 26.7 | 180 |
| 1000 | 600 | 132 | 20.0 | 7.5 | 13.6 | 772.5 | 129.9 | 25.7 | 178 |
| 1200 | 700 | 145 | 21.9 | 7.7 | 14.1 | 781.5 | 129.7 | 24.8 | 167 |
| 1400 | 800 | 159 | 23.7 | 8.1 | 14.8 | 773.9 | 128.2 | 23.5 | 159 |
| 1600 | 900 | 173 | 25.4 | 8.5 | - | 768.3 | 127.4 | 22.0 | 150 |
| 1800 | 1000 | 185 | 27 | - | - | 766.2 | 127.1 | 20.6 | 141 |
| 2000 | 1100 | 195 | 28.3 | - | - | 757.7 | - | 19.1 | - |
| aMean coefficient of linear expansion between 77°F (25°C) and temperature shown. | |||||||||
Processing Flow Chart:
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