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Nickel Alloy G-30 Material Property Data Sheet

Do you need custom fasteners created with Nickel Alloy G-30? 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 Nickel Alloy G-30 Bar Stock we have available to meet your needs.


Hastelloy G-30 alloy, mill annealed

Subcategory: Metal; Nickel Base; Superalloy

Key Words: ASME SB622, ASME SB626, ASME SB366, UNS N06030, ASME SB581, ASME SB582, ASME SB619

Component   Wt. %
CMax 0.03 
CoMax 5 
Cr28 - 31.5 
Cu1 - 2.4 
Component   Wt. %
Fe13 - 17 
MnMax 1.5 
Mo4 - 6 
Component   Wt.%
PMax 0.04 
SMax 0.02 
W1.5 - 4 

Material Notes:
Nickel content to balance. Cb and Ta content = 0.3-1.5%. Superior corrosion resistance to commercial phosphoric acids and oxidizing acid mixtures. Typical applications include phosphoric acid service, sulfuric acid service, nitric acid service, nuclear fuel reprocessing, nuclear waste processing, pickling operations, petrochemicals, fertilizer manufacture, pesticide manufacture, and gold ore extraction.

Data provided by the manufacturer, Haynes International, Inc.

Physical PropertiesMetricEnglishComments
Density8.22 g/cc0.297 lb/in at 22C (72F)

Mechanical Properties
Hardness, Brinell128128 Converted from Rockwell B hardness.
Hardness, Knoop172172 Converted from Rockwell B hardness.
Hardness, Rockwell B9090 
Hardness, Vickers191191 Converted from Rockwell B hardness.
Tensile Strength, Ultimate690 MPa100000 psi 
Tensile Strength, Yield317 MPa46000 psi at 0.2% offset
Elongation at Break64 %64 % in 50.8 mm
Reduction of Area77 %77 % 
Modulus of Elasticity202 GPa29300 ksi plate heat treated to 1177C, rapid quenched; 24C
Modulus of Elasticity at Elevated Temperature184 GPa26700 ksi plate heat treated to 1177C and rapid quenched; 538C
Modulus of Elasticity at Elevated Temperature192 GPa27800 ksi plate heat treated to 1177C and rapid quenched; 427C
Modulus of Elasticity at Elevated Temperature194 GPa28100 ksi plate heat treated to 1177C and rapid quenched; 316C
Modulus of Elasticity at Elevated Temperature196 GPa28400 ksi plate heat treated to 1177C and rapid quenched; 204C
Charpy Impact353 J260 ft-lb mill annealed, 42 J 50% cold rolled, 45 J 50% cold rolled and 1 hour at 500C (930F), 15 J 50% cold rolled and 500 hours at 500C (930F)

Electrical Properties
Electrical Resistivity0.000116 ohm-cm0.000116 ohm-cm 24C (75F)
Electrical Resistivity at Elevated Temperature0.000117 ohm-cm0.000117 ohm-cm 100C (212F)
Electrical Resistivity at Elevated Temperature0.000119 ohm-cm0.000119 ohm-cm 200C (390F)
Electrical Resistivity at Elevated Temperature0.000119 ohm-cm0.000119 ohm-cm 300C (570F)
Electrical Resistivity at Elevated Temperature0.000123 ohm-cm0.000123 ohm-cm 400C (750F)
Electrical Resistivity at Elevated Temperature0.000124 ohm-cm0.000124 ohm-cm 500C (930F)
Electrical Resistivity at Elevated Temperature0.000125 ohm-cm0.000125 ohm-cm 600C (1110F)

Thermal Properties
CTE, linear 250C14.4 m/m-C8 in/in-F 30-316C
CTE, linear 250C14.9 m/m-C8.28 in/in-F 30-427C
CTE, linear 500C15.5 m/m-C8.61 in/in-F 30-538C
CTE, linear 500C16 m/m-C8.89 in/in-F 30-760C
CTE, linear 500C16 m/m-C8.89 in/in-F 30-649C
Thermal Conductivity10.2 W/m-K70.8 BTU-in/hr-ft-F 24C
Thermal Conductivity at Elevated Temperature11.9 W/m-K82.6 BTU-in/hr-ft-F 100C (212F)
Thermal Conductivity at Elevated Temperature14.4 W/m-K99.9 BTU-in/hr-ft-F 200C (390F)
Thermal Conductivity at Elevated Temperature16.7 W/m-K116 BTU-in/hr-ft-F 300C (570F)
Thermal Conductivity at Elevated Temperature18.7 W/m-K130 BTU-in/hr-ft-F 400C (750F)
Thermal Conductivity at Elevated Temperature20.3 W/m-K141 BTU-in/hr-ft-F 500C (930F)
Thermal Conductivity at Elevated Temperature21.4 W/m-K149 BTU-in/hr-ft-F 600C (1110F)


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