Hastelloy® C-276 UNS N10276
Hastelloy® C-276 is a versatile nickel-molybdenum-chromium-tugsten alloy fit for applications that demand a supreme level of corrosion resistance.
NICKEL C-276 | ALLOY C-276 | INCONEL C-276
Hastelloy C-276 Strip
Key properties (in the annealed condition)
| Ultimate Tensile Strength: | 100 KSI min (690 MPa min) |
| Yield Strength (0.2%) offfset: | 45 KSI (310 MPa min) |
| Elongation at break: | 40% min |
| Hardness, Rockwell B: | Rb 100 min(aim) |
Specifications
Chemistry composition
Nickel
Ni
Min Balance
Max Balance
Chromium
Cr
Min 14.50
Max 16.50
Molybdenum
Mo
Min 15.00
Max 17.00
Iron
Fe
Min 4.00
Max 17.00
Tugsten
W
Min 3.00
Max 4.50
Cobalt
Co
Min 2.50
Max 2.50
Manganese
Mn
Min 1.00
Max 1.00
Carbon
C
Min 0.010
Max 0.010
Vanadium
V
Min 0.35
Max 0.35
Siliucon
Si
Min 0.08
Max 0.08
Sulfur
S
Min 0.030
Max 0.030
Phosphorus
P
Min 0.040
Max 0.040
What is Hastelloy C-276
Hastelloy® C-276 is a very versatile nickel-molybdenum-chromium-tungsten alloy with excellent corrosion resistance and good fabricability. While it does have good oxidation resistance up to 1800°F, Hastelloy alloy C-276 is generally not recommended for elevated temperature service.
Nickel Alloy C-276 has resisted the formation of grain boundary precipitates in the weld-heat affected zone, making it a candidate for most chemical and petrochemical processing applications in the as-weldedcondition. HC276 is a nicle alloy that has excellent resistance to reducing acid, sulfurica cid, hydrochloric acid, brine solutions, oxidizing chlorides, and hot weawater.
Hastelloy C-276 is also one od the few materials resistant to wet chlorine gas, hypochlorite and chlorine dioxide. This particular nickel alloy has exceptional resistance to crevice corrosion and stress corrosion crackin, as well as chloride pitting. It's low carbon content minimmizes carbide precipitation during welding. This translates to C-276 beign readily fabricated by welding using methos similar to those utilized for nickel-based alloys.
| Property | Value | Unit | Value | Unit |
|---|---|---|---|---|
| Imperial | Metric | |||
| Density | 5.0 | lbs/in3 | 5.0 | kg/in3 |
| Melting Point | 1500 | °F | 1500 | °C |
| Elasticity | 40 | PSi | 40 | KSi |
| Eletrical Resistivity | 0.5 | Ohms/in | 0.5 | Ohms/cm |
| Thermal Conductivity | 300 | BTU-in/hr-ft2 - °F | 300 | BTU-cm/hr-cm2 - °C |
| Thermal Expansion | 300 | 10-6/°F | 300 | 10-6/°C |
| Specific Heat @32 - 212 °F | 300 | BTU/lb-°F | 300 | BTU/kg-°C |
| Magnetic | 300 | Oersteds | 300 | Oersteds |
Hastelloy C-276
Physical Properties
| Property | Value | Unit | Value | Unit |
|---|---|---|---|---|
| Imperial | Metric | |||
| Hardness, Brinell | 5.0 | B | - | - |
| Hardness, Rockwell A | 1500 | HRA | - | - |
| Hardness, Rockwell B | 40 | HRB | - | - |
| Hardness, Rockwell C | 0.5 | HRC | - | - |
| Hardness, Vickers | 300 | V | - | - |
| UltimateTensile Strength | 300 | PSi | 300 | MPa |
| Yield Strength | 300 | PSi | 300 | MPa |
| Elongation at Break | 300 | % | - | - |
Hastelloy C-276
Mechanical Properties
Tempered Properties
| Tensile Strength | Yield Strength | Elongation | ||||
|---|---|---|---|---|---|---|
| Condition | Value | Unit | Value | Unit | Value | Unit |
| Imperial | Metric | Metric | ||||
| 1/16 Hard | 5.0 | PSi | - | - | 5.0 | % |
| 1/8 Hard | 1500 | PSi | - | - | 1500 | % |
| 1/5 Hard | 40 | PSi | - | - | 40 | % |
| 1/2 Hard | 0.5 | PSi | - | - | 0.5 | % |
| 3/4 Hard | 300 | PSi | - | - | 300 | % |
| Full Hard | 300 | PSi | 300 | PSi | 300 | % |
| Extra Full Hard | 300 | PSi | 300 | PSi | 300 | % |
Characteristics of Hastelloy C-276?
Hastelloy c-276 corrosion resistance
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Hastelloy c-276 oxidation resistance
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Hot working Hastelloy c-276
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Cold working Hastelloy c-276
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Weldability of Hastelloy c-276
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Available Finishes for Hastelloy C276
#1
Hot rolled annealed and descaled. It is available in strip, foil and ribbon. It is used for applications where a smooth decorative finish is not required.
#2D
Dull finish produced by cold rolling, annealing and descaling. Used for deep drawn parts and those parts that need to retain lubricants in the forming process.
#2B
Smooth finish produced by cold rolling, annealing and descaling. A light cold rolling pass is added after anneal with polished rolls giving it a brighter finish than 2D.
#CBA
Course bright annealed cold rolled matte finish and bright anneal
#2
Cold Rolled
#2BA
Smooth finish produced by cold rolling and bright annealing. A light pass using highly polished rolls produces a glossy finish. A 2BA finish may be used for lightly formed applications where a glossy finish is desired in the formed part
* Not all finishes are available in all alloys - Contact Ulbrich
Sales for more information.
Wire Finishes for Hastelloy C-276
XC
Extra Clean Bright Annealed or Bright Annealed and Cold Rolled Grease - Ultra bright finish (for decorative applications) Soap - Soap coating on tempered wire to act as lubricant.
SF
SuperFinish™ is an extra clean extra smooth polished finish available only at Ulbrich
* Contact Ulbrich Wire for custom wire finishes.
Featured applications for Hastelloy c-276
Other typical uses
- Bellows
- Marine Hardware
- Chemical Processing
- Agrichemical Production
- Petrochemical Production
Hastelloy ®
Hastelloy® C-276 is a grade of Hastelloy® which is a nickel-molybdenum alloy. There are many different grades of Hastelloy®, which includes C-276. Grades of Hastelloy® hace each been optimized for a specific purpose. Molybdenum makes Hastelloy® harder and stronger at high temperatures. This alloying element and the characteristics it imbues into the material also makes it great for welding applications. These nickel alloys are easily fabricated and formed. They also exhibit good ductility and are able to be cold worked.
All grades of Hastelloy® are considered to be a corrosion resistan alloy because each grade exhibits superior resistance to various corrosive environments. Hastelloy® has outstanding resistance to highly oxidizing corrosives such as oxidizing salts and reducing agents, makin it a great alloy to specify for applications used in moderate to severe corrosive environments.
Limitation of Liability and Disclaimer of Warrany: In no event will Ulbrich Stainless Steel & Special Metals, Inc., be liable for any damages arising from the use of information included in this document or that it is suitable for the 'applications' noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied warranty in regard to the creation or accuracy of the data provided in this document.
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