Producer of custom machined parts, specializing in bronze and other popular alloys for your manufacturing needs.
COPPER-BASED ALLOYS
C65100
CAST C65100
C65100 low-silicon bronze alloy has good corrosion resistance and moderate strength. Applications and properties of C651 are similar to that of alloy C64200.
INFORMATION
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.
RECTANGLES: Consult Mill
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%
Rem.
0.05
1.50
0.80
0.70
0.80-2.00
MACHINABILITY
Copper Alloy UNS No.
Machinability Rating
Density(lb / in 3 at 68 °F)
C65100
30
0.316
MECHANICAL PROPERTIES
Mechanical Properties according to ASTM B98/B98M-13(2019)

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


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
%
typical 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 4D, min
Rockwell "B" Hardness
Remarks
ksi
MPa
ksi
MPa
%
typical HRB
65
450
35
241
10
65-90


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
%
typical 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 4D, min
Rockwell "B" Hardness
Remarks
ksi
MPa
ksi
MPa
%
typical 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 4D, min
Rockwell "B" Hardness
Remarks
ksi
MPa
ksi
MPa
%
typical HRB
75
515
40
275
8
75-95

PHYSICAL PROPERTIES
US Customary
Metric
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 Elastic in Tension
17000 ksi
117212 MPa
Modulus of Rigidity
6400 ksi
44127 MPa
FABRICATION PROPERTIES
Technique
Suitability
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*
Annealing
900
1250
Hot Treatment
1300
1300


SPEC SHEET


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