Alloy 80A

Alloy 80A offers outstanding creep resistance properties.

A precipitation hardened alloy, Alloy 80A offers high tensile and creep rupture properties up to 815ºC.

Inventory

Product form	Size range from	Size range to
Alloy 80A round bar	4.75 mm	185 mm
Alloy 80A sheet & plate	1 mm	3.45 mm

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Sheet & Plate
Round Bar

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Chemical Analysis

%	Ni	Cr	Cu	Co	C	Mn	Si	S	Fe	Ti	Al	B	Zr
Min	Balance	18	0	0	0	0	0	0	0	1.8	1	0	0
Max	Balance	21	0.2	2	0.1	1	1	0.015	3	2.7	1.8	0.008	0.15

Applications

Alloy 80A can be used in a variety of applications including:

Aircraft or marine turbine rotors
Exhaust valves
Diesel engine combustion chambers
High-strength fasteners

About Alloy 80A

Alloy 80A demonstrates excellent corrosion resistance combined with high mechanical properties and creep resistance up to 815ºC. Good machineability and weldability make the alloy perfect for use in a variety of markets including Aerospace, Oil and Gas and Motorsport.

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Properties

Density:: 8.19 g/cm³
Melting Range:: 1320 - 1365°C
Hardness:: HRB
Specific Heat Capacity:: 448 J/kg.°C
Electrical Resistivity:: 1.24 µΩ.m
Curie Temperature:: °C

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Mechanical & Physical Properties

Mechanical & Physical Properties	21.1°C	93.3°C	148.9°C	204.4°C	315.6°C	371.1°C	426.7°C	537.8°C	595°C	648.9°C	705°C	760°C	815°C	982°C
Ultimate Tensile Strength /Mpa, +	1186	1180	1162	1157	1122	1115	1105	1082	1058	996	926	767	625	94
0.2% Yield Strength /Mpa +	751	749	740	749	744	742	745	746	741	725	667	600	464	59
Reduction of area % +	32	32	33	33	34	34	36	36	36	36	35	35	36	>60
Elongation % +	46	45	45	45	46	45	47	47	43	40	42	47	58	75
10,000 hr Rupture Strength, MPa	-	-	-	-	-	-	-	600	440	-	220	130	54	-
Coefficient of Thermal Expansion /µm/m°C **	12.7	12.7	12.7	13.3	13.7	14.1	14.1	14.4	-	15	-	16.2	16.2	18.1
Thermal Conductivity /kcal/(hr.m.°C) **	9.63	9.98	9.98	12.38	13.85	15.31	15.31	16.68	-	17.89	-	21.07	21.07	24.42
Modulus of Elasticity / GPa	183	179	179	173	168	163	163	157	-	150	-	142	134	112

Mechanical & Physical Properties

Mechanical & Physical Properties	21.1°C	93.3°C	148.9°C	204.4°C	315.6°C	371.1°C	426.7°C	537.8°C	595°C	648.9°C	705°C	760°C	815°C	982°C
Ultimate Tensile Strength /Mpa, +	1186	1180	1162	1157	1122	1115	1105	1082	1058	996	926	767	625	94
0.2% Yield Strength /Mpa +	751	749	740	749	744	742	745	746	741	725	667	600	464	59
Reduction of area % +	32	32	33	33	34	34	36	36	36	36	35	35	36	>60
Elongation % +	46	45	45	45	46	45	47	47	43	40	42	47	58	75
10,000 hr Rupture Strength, MPa	-	-	-	-	-	-	-	600	440	-	220	130	54	-
Coefficient of Thermal Expansion /µm/m°C **	12.7	12.7	12.7	13.3	13.7	14.1	14.1	14.4	-	15	-	16.2	16.2	18.1
Thermal Conductivity /kcal/(hr.m.°C) **	9.63	9.98	9.98	12.38	13.85	15.31	15.31	16.68	-	17.89	-	21.07	21.07	24.42
Modulus of Elasticity / GPa	183	179	179	173	168	163	163	157	-	150	-	142	134	112

Specifications

UNS Number:: N07080
Werkstoff Number:: 2.4952/2.4631
Standards:: ASTM B637, MSRR 7004, 7022, 7063, 7070, 7162, 7193, 7952, BS: HR 203, 3HR1, HR3, HR4, BSRHR 601

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