C65100

Product description: Low-silicon bronze B
Tempers: H02 half hard, H04 hard, H06 extra hard
Solids: 3/8" to 2" O.D.
Hex: 3/8" to 2" O.D.
Standard lengths: 144"

Typical uses

Electrical: Conduit, motor (rotor bars), pole line hardware
Fasteners: Bolts, cable clamps, cap screws, fasteners, machine screws, nuts, rivets, screws, u bolts
Industrial: Heat exchanger tube, hydraulic pressure lines, oil refinery plumbing tube, welding rod
Marine: Hardware

Similar or equivalent specification

CDA	ASTM	SAE	AMS	Federal	Military	Other
C65100	B98 B98M

Chemical composition

Cu%1	Pb%	Zn%	Fe%	Mn%	Si%
Chemical composition according to ASTM B98/B98M-13(2019) 1Cu value includes Ag. Note: Cu + sum of named elements, 99.5% min. Single values represent maximums.
Rem.	0.05	1.50	0.80	0.70	0.80- 2.00

Machinability

Copper alloy UNS No.	Machinability rating	Density (lb/in3 at 68 °F)
C65100	30	0.316

Mechanical properties

Mechanical properties according to ASTM B98/B98M-13(2019)

C65100

H02 half hard

Size range: up to 1/2" rod inclusive

Tensile strength, min		Yield strength, at 0.5% extension under load, min		Elongation, in 2 in. or 50 mm min	Rockwell "B" hardness	Remarks
ksi	MPa	ksi	MPa	%	min to max HRB
55	380	20	140	11	60-85

Size range: over 1/2" to 2" rod inclusive

Tensile strength, min		Yield strength, at 0.5% extension under load, min		Elongation, in 2 in. or 50 mm min	Rockwell "B" hardness	Remarks
ksi	MPa	ksi	MPa	%	min to max HRB
55	380	20	140	12	60-85

C65100

H04 hard

Size range: up to 1/2" rod inclusive

Tensile strength, min		Yield strength, at 0.5% extension under load, min		Elongation, in 2 in. or 50 mm min	Rockwell "B" hardness	Remarks
ksi	MPa	ksi	MPa	%	min to max HRB
65	450	35	241	8	65-90

Size range: over 1/2" to 2" rod inclusive

Tensile strength, min		Yield strength, at 0.5% extension under load, min		Elongation, in 2 in. or 50 mm min	Rockwell "B" hardness	Remarks
ksi	MPa	ksi	MPa	%	min to max HRB
65	450	35	241	10	65-90

C65100

H06 extra hard

Size range: up to 1/2" rod inclusive

Tensile strength, min		Yield strength, at 0.5% extension under load, min		Elongation, in 2 in. or 50 mm min	Rockwell "B" hardness	Remarks
ksi	MPa	ksi	MPa	%	min to max HRB
85	585	55	380	6	75-95

Size range: over 1/2" to 1" rod inclusive

Tensile strength, min		Yield strength, at 0.5% extension under load, min		Elongation, in 2 in. or 50 mm min	Rockwell "B" hardness	Remarks
ksi	MPa	ksi	MPa	%	min to max HRB
75	515	45	310	8	75-95

Size range: over 1" to 1 1/2" rod inclusive

Tensile strength, min		Yield strength, at 0.5% extension under load, min		Elongation, in 2 in. or 50 mm min	Rockwell "B" hardness	Remarks
ksi	MPa	ksi	MPa	%	min to max HRB
75	515	40	275	8	75-95

Physical properties

	US Customary	Metric
Physical properties provided by CDA
Melting point - liquidus	1940 °F	1060 °C
Melting point - solidus	1890 °F	1032 °C
Density	0.316 lb/in3 at 68 °F	8.75 gm/cm3 at 20 °C
Specific gravity	8.75	8.75
Electrical conductivity	12% IACS at 68 °F	0.07 MegaSiemens/cm at 20 °C
Thermal conductivity	33 Btu/sq ft/ft hr/°F at 68 °F	57.1 W/m at 20 °C
Coefficient of thermal expansion 68-572	9.9 · 10-6 per °F (68-572 °F)	17.1 · 10-6 per °C (20-300 °C)
Specific heat capacity	0.09 Btu/lb/°F at 68 °F	377.1 J/kg at 20 °C
Modulus of elasticity in tension	17000 ksi	117212 MPa
Modulus of rigidity	6400 ksi	44127 MPa

Fabrication properties

Technique	Suitability
Fabrication properties provided by CDA
Soldering	Excellent
Brazing	Excellent
Oxyacetylene welding	Good
Gas shielded arc welding	Excellent
Coated metal arc welding	Fair
Spot weld	Excellent
Seam weld	Good
Butt weld	Excellent
Capacity for being cold worked	Excellent
Capacity for being hot formed	Excellent
Machinability rating	30

Thermal properties

Treatment	Minimum*	Maximum*
Thermal properties provided by CDA *Temperature is measured in Fahrenheit.
Annealing	900	1250
Hot treatment	1300	1300

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C65100

Stocked alloy specs

Reference guide

Stocked size schedules

C65100

Typical uses

Similar or equivalent specification

Chemical composition

Machinability

Mechanical properties

C65100

H02 half hard

Size range: up to 1/2" rod inclusive

Size range: over 1/2" to 2" rod inclusive

C65100

H04 hard

Size range: up to 1/2" rod inclusive

Size range: over 1/2" to 2" rod inclusive

C65100

H06 extra hard

Size range: up to 1/2" rod inclusive

Size range: over 1/2" to 1" rod inclusive

Size range: over 1" to 1 1/2" rod inclusive

Physical properties

Fabrication properties

Thermal properties

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