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Hastelloy C Material Property Data Sheet

Do you need custom fasteners created with Hastelloy C-276? Since our inception, Vegas Fastener Manufacturing has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Hastelloy C-276 Bar Stock we have available to meet your needs.


Hastelloy C-276 alloy

Subcategory: Metal; Nickel Base; Superalloy

Key Words: ASME SB-622, ASME SB-626 SCC resistant, flue-gas desulfurization systems, UNS N10276, ASME SB-574, ASME SB-575, ASME SB-619

Component   Wt. %
CMax 0.01 
CoMax 2.5 
Cr14.5 - 16.5 
Fe4 - 7 
Component   Wt. %
MnMax 1 
Mo15 - 17 
PMax 0.025 
SMax 0.01 
SiMax 0.08 
VMax 0.35 
W3 - 4.5 

Material Notes:
Versatile corrosion-resistant alloy, usually does not need to be solution heat treated after welding and has vastly improved fabricability, excellent resistance to localized corrosion and to both oxidizing and reducing media. Resists formation of grain-boundary precipitates and is therefore suitable for chemical process applications in the as-welded condition. C-276 has excellent resistance to strong oxidizers like ferric and cupric chlorides, hot contaminated media (organic and inorganic), chlorine, formic and acetic acids, acetic anhydride, seawater, brine solutions, sulfur compounds, wet chlorine gas, hypochlorite and chlorine dioxide.

Data provided by the manufacturer, Haynes International, Inc.

Physical PropertiesMetricEnglishComments
Density8.89 g/cc0.321 lb/in at RT

Mechanical Properties
Hardness, Rockwell B9090 Average room temperature hardness for sheet (average of 49 tests); 87 HRB average room temperature hardness for plate (average of 35 tests)
Hardness, Vickers191191 Conversion from Rockwell B hardness.
Tensile Strength, Ultimate826.7 MPa120000 psi 
Tensile Strength, Yield364.7 MPa52900 psi at 0.2% offset
Elongation at Break59 %59 % in 50.8 mm
Modulus of Elasticity205 GPa29700 ksi RT
Modulus of Elasticity at Elevated Temperature176 GPa25500 ksi heat treated at 1121C (2050F) and rapid quenched; 538C
Modulus of Elasticity at Elevated Temperature182 GPa26400 ksi heat treated at 1121C (2050F) and rapid quenched; 427C
Modulus of Elasticity at Elevated Temperature188 GPa27300 ksi heat treated at 1121C (2050F) and rapid quenched; 316C
Modulus of Elasticity at Elevated Temperature195 GPa28300 ksi heat treated at 1121C (2050F) and rapid quenched; 204C
Charpy Impact357 J263 ft-lb at -196C solution heat treated at 1121C (2050F), rapid quenched; 339 J at -196C aged 100 hours at 260C; 130 J at -196C aged 100 hours at 538C (1000F); 87 J at -196C aged 1000 hours at 538C (1000F)

Electrical Properties
Electrical Resistivity0.00013 ohm-cm0.00013 ohm-cm 24C (75F)

Thermal Properties
CTE, linear 20C11.2 m/m-C6.22 in/in-F 24-93C (75-200F)
CTE, linear 250C12 m/m-C6.67 in/in-F 24-204C (75-400F)
CTE, linear 500C12.8 m/m-C7.11 in/in-F 24-316C (75-600F)
CTE, linear 500C13.2 m/m-C7.33 in/in-F 24-538C (75-1000F)
CTE, linear 500C13.2 m/m-C7.33 in/in-F 24-427C (75-800F)
Heat Capacity0.427 J/g-C0.102 BTU/lb-F RT
Thermal Conductivity10.2 W/m-K70.8 BTU-in/hr-ft-F 38C
Thermal Conductivity7.2 W/m-K50 BTU-in/hr-ft-F -168C
Thermal Conductivity8.6 W/m-K59.7 BTU-in/hr-ft-F -73C
Thermal Conductivity9.4 W/m-K65.2 BTU-in/hr-ft-F -18C
Thermal Conductivity at Elevated Temperature11.1 W/m-K77 BTU-in/hr-ft-F 93C
Thermal Conductivity at Elevated Temperature13 W/m-K90.2 BTU-in/hr-ft-F 204C
Thermal Conductivity at Elevated Temperature15 W/m-K104 BTU-in/hr-ft-F 316C
Thermal Conductivity at Elevated Temperature16.9 W/m-K117 BTU-in/hr-ft-F 427C
Thermal Conductivity at Elevated Temperature19 W/m-K132 BTU-in/hr-ft-F 538C
Melting Point1323 - 1371 C2410 - 2500 F 
Solidus1323 C2410 F 
Liquidus1371 C2500 F 


This information is provided by MatWeb.com, The Online Materials Database and is reprinted with their permission.

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