High Quality Spring Wire Nimonic 80A

• Material: Ni Cr
• Condition: Bright, Annealed
• Transport Package: in Spool, Carton, Wooden Case
• Specification: customized
• Trademark: Ualloy
• Origin: China
• Model NO.: Nimonic 80A
• HS Code: 750522000
• Production Capacity: 500 Tons/Year

Product Description

Nimonic 80A is a Nickel-Chromium alloy which is precipitation hardenable. It has largely been superseded by Nimonic 90 and Inconel X-750, but because of the low Cobalt content, it is still specified for nuclear applications.

Chemical Composition

Specifications

Designations

Key Features

Typical Applications

Element	Min %	Max %
C	0.04	0.10
Si	-	1.00
Mn	-	1.00
S	-	0.015
Ag	-	0.0005
Al	1.00	1.80
B	-	0.008
Bi	-	0.0001
Co	-	2.00
Cr	18.00	21.00
Cu	-	0.20
Fe	-	1.50
Pb	-	0.002
Ti	1.8	2.70
Ni	bal

ASTM B637
BS 3076 NA 20
BS HR 1
BS HR 601

W.Nr 2.4952
W.Nr 2.4631
UNS N07080
AWS 031

Largely superseded by Nimonic 90 & Inconel X-750
Still specified for nuclear applications due to low cobalt content
Age hardenable
High temperature dynamic applications

Gas turbine components
Nuclear industry
Fasteners

Density	8.19g/cm³	0.296 lb/in³
Melting Point	1365°C	2490°F
Coefficient of Expansion	12.7 μm/m °C (20 - 100°C)	7.1 x 10-6 in/in °F (70 - 212°F)
Modulus of Rigidity	85 kN/mm²	12328 ksi
Modulus of Elasticity	222 kN/mm²	32199 ksi

Heat Treatment of Finished Parts
Condition as supplied by Alloy Wire	Type	Temperature		Time (Hr)	Cooling
		°C	°F
Annealed	Age Harden	700	1290	16	Air
Spring Temper	Age Harden	600	1110	16	Air

Properties
Condition	Approx. tensile strength		Approx. operating temperature
	N/mm²	ksi	°C	°F
Annealed	800 - 1000	116 - 145	-	-
Annealed + Aged	1200 - 1400	174 - 203	up to 550	up to 1020
Spring Temper	1300 - 1500	189 - 218	-	-
Spring Temper + Aged	1500 - 1800	218 - 261	up to 350	up to 660

The above tensile strength ranges are typical. If you require different please ask.