Alloys Datasheet template

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.

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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.

Similar alloys

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.