AMS 4590-C63020

Product description: Nickel-aluminum bronze
Tempers: TQ50 quenched and tempered
Tubes: 2 3/4" to 6" O.D.
Solids: 3/4" to 4" O.D.
Hex: Consult mill
Standard lengths: 24"

Typical uses

Aerospace: Bushings, bearings
Industrial: Bearings, forming dies for roll bearings, hydraulic bushings for earth moving equipment, valve balls, valve parts (cryogenic)

Similar or equivalent specification

CDA	ASTM	SAE	AMS	Federal	Military	Other
C63020	B150 B150M		4590

Chemical composition

Cu%	Pb%	Sn%	Zn%	Fe%	Ni%1	Al%	Co%	Cr%	Mn%	Si%
Chemical composition according to ASTM 4590 1Ni value includes Co. Note: Cu + sum of named elements, 99.5% min. Single values represent maximums.
Rem.	0.03	0.25	0.30	4.00- 5.50	4.20- 6.00	10.00- 11.00	0.20	0.05	1.50	0.15

Machinability

Copper alloy UNS No.	Machinability rating	Density (lb/in3 at 68 °F)	Density (gm/in3 at 20 °C)
C63020		0.275	7.6

Mechanical properties

Mechanical properties according AMS 4590

C63020

TQ50 quenched and tempered

Size range: up to 1" diameter inclusive

Tensile strength, min		Yield strength, at 0.2% Offset, min		Elongation, in 2 inches (50.8 mm) or 4D, min, min	Rockwell "C" hardness	Remarks
ksi	MPa	ksi	MPa	%	min HRC
135	931	100	689	6	26

Size range: over 1" to 2" inclusive

Tensile strength, min		Yield strength, at 0.2% Offset, min		Elongation, in 2 inches (50.8 mm) or 4D, min	Rockwell "C" hardness	Remarks
ksi	MPa	ksi	MPa	%	min HRC
130	896	95	655	6	26

Size range: over 2" to 4" inclusive

Tensile strength, min		Yield strength, at 0.2% Offset, min		Elongation, in 2 inches (50.8 mm) or 4D, min	Rockwell "C" hardness	Remarks
ksi	MPa	ksi	MPa	%	min HRC
130	896	90	621	6	26

Physical properties

	US Customary	Metric
Melting point - liquidus	1940° to 1967 °F	1060° to 1075 °C
Density	0.274 lb/in3 at 68 °F	7.6 gm/cm3 at 20 °C
Specific gravity	7.6	7.6
Electrical Resistivity	132.33 ohms-cmil/ft at 68 °F	22.0 microhm-cm at 20 °C
Thermal conductivity	31.2 Btu/sq ft/ft hr/°F at 68 °F	54.0 W/m at 20 °C
Coefficient of thermal expansion 68-572	9.4 · 10-6 per °F (68-572 °F)	17.0 · 10-6 per °C (20-300 °C)

Common fabrication processes

Forging, hot forming, machining

Common fabrication processes provided by CDA

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AMS 4590-C63020

Stocked alloy specs

Reference guide

Stocked size schedules

AMS 4590-C63020

Typical uses

Similar or equivalent specification

Chemical composition

Machinability

Mechanical properties

C63020

TQ50 quenched and tempered

Size range: up to 1" diameter inclusive

Size range: over 1" to 2" inclusive

Size range: over 2" to 4" inclusive

Physical properties

Common fabrication processes

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