bronze 655 Product Guide from Online Metals

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Overview

655 Bronze is strong, with good corrosion resistance, resilience, and good formability. 655 is one of the more popular bronze alloys. It resists corrosion from most acids, alkalis, salts, and other chemicals. It is typically used for marine hardware, fasteners, bushings, and shafts.

Common Trade Names

UNS C65500, CDA 655, C655, ISO CuSi3Mn1, Copper-Silicon, High Silicon Bronze

Other Resources

Products

Applications

Marine

Fasteners

Bushings

Shafts

Specifications

ASTM
B98

ASTM

B98

	-O61	-H02	-H04
Physical Properties 655
Density	0.308 lb/in3	0.308 lb/in3	0.308 lb/in3
Ultimate Tensile Strength	55 ksi	79 ksi	92.1 ksi
Yield Tensile Strength	21.6 ksi	44 ksi	55.1 ksi
Shear Strength	38 ksi	50 ksi	57.5 ksi
Shear Modulus	5,980 ksi	5,980 ksi	5,980 ksi
Hardness Rockwell \| Brinell	F76 \| 61	B86 \|145	B89 \| 180
Elongation at Break Percentage	39%	20%	16.5%
Modulus of Elasticity	17,000 ksi	17,000 ksi	17,000 ksi
Poisson's Ratio	0.34	0.34	0.34
Machinability Percentage	30%	30%	30%
Melting Point	1,780-1,880 °F	1,780-1,880 °F	1,780-1,880 °F
Specific Heat	9.08 x 10^-2 BTU/lb-°F	9.08 x 10^-2 BTU/lb-°F	9.08 x 10^-2 BTU/lb-°F
Thermal Conductivity	250 BTU-in/hr-ft^2-°F	250 BTU-in/hr-ft^2-°F	250 BTU-in/hr-ft^2-°F
Electrical Conductivity	7% IACS	7% IACS	7% IACS

Chemistry Information
Element	Percentage
Cu	96 - 99
Si	1 - 4

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Bronze 655 (Silicon Bronze) Product Guide