BRONZE - Aluminum Bronze C-955

Chemical Composition
(%max., unless shown as range or min.)

 

	Cu	Al	Fe	Mn	Ni(1)
Min./Max.	78.0 min	10.0-11.5	3.0-5.0	3.5	3.0-5.5
Nominal	80.0	11.0	4.0	-	4.3

 

(1) Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min.

 

Applicable Specifications

Product	Specification
Centrifugal	ASTM B271 SAE J461, J462
Continuous	ASTM B505 SAE J461, J462
Ingot	ASTM B30
Precision	ASTM B806
Sand	ASTM B148, B763 SAE J461, J462

 

Fabrication Properties

Joining Technique	Suitability
Soldering	Good
Brazing	Fair
Oxyacetylene Welding	Not Recommended
Gas Shielded Arc Welding	Good
Coated Metal Arc Welding	Good
Machinability Rating	50

 

Tempers Most Commonly Used:

No information available.

 

Mechanical Properties
(measured at room temperature, 68 F (20 C)
*Fatigue Strength: 100 x 10 6cycles, unless indicated as [N]X 106.

 

Temper	Section Size	Cold Work	Typ/ Min	Temp	Tensile Strength	Yield Strength (0.5% ext. under load)	Yield Strength (0.2% offset)	Yield Strength (0.05% offset)	El	Rockwell Hardness				Vickens Hard.	Brinell Hard.		Shear Strength	Fatigue Strength*	Izod Impact Strength
	in.	%		F	ksi	ksi	ksi	ksi	%	B	C	F	30T	500	500	3000	ksi	ksi	ft-lb
	mm.			C	MPa	MPa	MPa	MPa									MPa	MPa	J
As Centrifugal Cast
M02	0.0	0	SMIN	68	90	40	-	-	6	-	-	-	-	-	-	190	-	-	0.0
	0.0			20	620	275	-	-	6	-	-	-	-	-	-	190	-	-	0.0
TQ50	0.0	0	SMIN	68	110	60	-	-	5	-	-	-	-	-	-	200	-	-	0.0
	0.0			20	760	415	-	-	5	-	-	-	-	-	-	200	-	-	0.0
As Continuous Cast
M07	0.0	0	SMIN	68	95	42	-	-	10	-	-	-	-	-	-	-	-	-	0.0
	0.0			20	655	290	-	-	10	-	-	-	-	-	-	-	-	-	0.0
TQ50	0.0	0	SMIN	68	110	62	-	-	8	-	-	-	-	-	-	-	-	-	0.0
	0.0			20	758	427	-	-	8	-	-	-	-	-	-	-	-	-	0.0
As Permanent Mold Cast
M05	0.0	0	SMIN	68	110	60	-	-	5	-	-	-	-	-	-	-	-	-	0.0
	0.0			20	760	415	-	-	5	-	-	-	-	-	-	-	-	-	0.0
As Sand Cast
M01	0.0	0	SMIN	68	90	40	-	-	6	-	-	-	-	-	-	190	-	-	0.0
	0.0			20	620	275	-	-	6	-	-	-	-	-	-	190	-	-	0.0
M01	0.0	0	TYP	68	100	44	-	-	12	87	-	-	-	-	-	195	48	31	13.0
	0.0			20	689	303	-	-	12	87	-	-	-	-	-	195	331	214	18.0
TQ50	0.0	0	SMIN	68	110	60	-	-	5	-	-	-	-	-	-	200	-	-	0.0
	0.0			20	760	415	-	-	5	-	-	-	-	-	-	200	-	-	0.0
TQ50	0.0	0	TYP	68	120	68	-	-	10	-	-	-	-	-	-	230	70	38	15.0
	0.0			20	827	469	-	-	10	-	-	-	-	-	-	230	483	262	20.0

Physical Properties

	US Customary	Metric
Melting Point - Liquidus	1930 F	1054 C
Melting Point - Solidus	1900 F	1038 C
Density	0.272 lb/in3 at 68 F	7.53 gm/cm3 @ 20 C
Specific Gravity	7.53	7.53
Electrical Resistivity	122.8 ohms-cmil/ft @ 68 F	20.41 microhm-cm @ 20 C
Electrical Conductivity	8 %IACS @ 68 F	0.049 MegaSiemens/cm @ 20 C
Thermal Conductivity	24.2 Btu · ft/(hr · ft2 · oF) at 68F	41.9 W/m · oK at 20 C
Coefficient of Thermal Expansion	9.0 ·10-6 per oF (68-572 F)	16.2 ·10-6 per oC (20-300 C)
Specific Heat Capacity	0.1 Btu/lb/oF at 68 F	418.64 J/kg · oK at 293 K
Modulas of Elasticity in Tension	16000 ksi	110000 MPa
Magnetic Permeability*	1.32	1.32
Magnetic Permeability**	1.2	1.2
Poisson's Ratio	0.32	0.32
*As Cast, Field Strength 16 kA/m  **TQ 50 Temper, Field Strength 16 kA/m

 

Typical Uses

• Builders Hardware: Window Hardware
• Consumer: Piano Keys, Musical Instruments
• Electrical: Electrical Hardware
• Fasteners: Stuffing Box Nuts
• Industrial: Landing Gear Parts, Welding Jaws, Wear Plates, Air Craft Components, Pickling Equipment, Worms, Hot Mill Guides, Sewage Treatment Applications, Valve Components, Bearings, Bushings, Gears, Glass Molds, Worms Wheels, Glands, Landing Gear Parts, Hand Gun Recoil Mechanisms, Valve Bodies, Machine Parts, Valve Guides, Piston Guides, Valve Seats, Pump Fluid Ends
• Marine: Marine Hardware, Ship Building, Covers for Marine Hardware, Marine Applications
• Ordnance: Government Fittings