Silicon Bronze Ingot & Shapes In Denver, CO

Silicon Bronze Ingot & Shapes In Denver, CO

Silicon Bronze is a beautiful, low-lead alloy that makes beautiful structural art. We produce silicon bronze in a variety of forms, and has the largest stock worldwide. Save yourself production time and call Atlas Metals.
Lead Bars — Silicon Bronze Ingot & Shapes in Denver, CO

Applications

Art Sculpture, Art Foundry, Art Fabrication, Architectural Building Design, Landscape Architecture, marine Fabrication & Repair, and Furniture Design

Silicon Bronze Ingot

Silicon Bronze Ingot CDA 873 - Everdur
Composition Nominal
Copper 95
Silicon 4
Silicon 4Manganese 1
Physical Properties
Melting Point (Liquidus) 1790F
Melting Point (Solidus) 1590F
Pouring Temperture (Light) 2000-2150F
Pouring Temperture (Heavy) 1850-1950F
Density .302 lb/cu. in.
Suitability for being joined by:
Brazing Good
Oxyacetylene Welding Good
Carbon Arc Welding Fair
Gas Shield Arc Welding Good
Coated Metal Arc Welding Good
Machinability Rating 40
Patternmakers' Shrinkage (in./ft) 1/4"
SizesPolished Shot, 1/2" Cubes, 2" Cut Lengths, 5 lb Bars, 20 lb Ingots
Silicon Bronze Ingot CDA 876 - Herculoy
Composition
Nominal
Copper 92
Silicon 4
Zinc 4
Physical Properties
Melting Point (Liquidus) 1780F
Melting Point (Solidus) 1580F
Pouring Temperture (Light) 1975-2100F
Pouring Temperture (Heavy) 1850-1950F
Density .301 lb/cu. in.
Suitability for being joined by:
Brazing Fair
Oxyacetylene Welding Good
Carbon Arc Welding Poor
Gas Shield Arc Welding Fair
Coated Metal Arc Welding Fair
Machinability Rating 40
Patternmakers' Shrinkage (in./ft) 3/16"

Sizes
Polished Shot, 1-2" Cubes, 2" Cut Lengths, 5 lb Bars, 20 lb Ingots
All Silicon Bronze Ingots are available in the following sizes: Polished Shot, 1/2" Cubes, 2" Cut Lengths, 5 lb Bars, 20 lb Ingots

Silicon Bronze Shapes

Silicon Bronze Sheet and Plate
Thickness Weight Per Sq. Ft. Weight Per Sheet Standard Sheet Size
.025" (22 ga.) 1.1 lbs 22 lbs. 24 x 120
.047" (3/64") 2.2 lbs. 44 lbs. 24 x 120
.063" (1/16") 2.9 lbs. 58 lbs. 24 x 120
.094" (3/32") 4.2 lbs. 84 lbs. 24 x 120
.125" (1/8") 5.7 lbs. 114 lbs. 24 x 120
.187" (3/16") 8.6 lbs.
 172 lbs. 24 x 120
.250" (1/4") 11.4 lbs. 228 lbs. 24 x 120
Thickness Weight Per Sq. Ft. Weight Per Sheet Standard Sheet Size
.025" (22 ga.) 1.1 lbs 22 lbs. 24 x 120
.047" (3/64") 2.2 lbs. 44 lbs. 24 x 120
.063" (1/16") 2.9 lbs. 58 lbs. 24 x 120
.094" (3/32") 4.2 lbs. 84 lbs. 24 x 120
.125" (1/8") 5.7 lbs. 114 lbs. 24 x 120
.187" (3/16") 8.6 lbs.
 172 lbs. 24 x 120
.250" (1/4") 11.4 lbs. 228 lbs. 24 x 120
.125" (1/8") 5.7 lbs. 182 lbs. 48 x 96
.187" (3/16") 8.6 lbs. 276 lbs.
 48 x 96
.250" (1/4") 11.4 lbs. 365 lbs. 48 x 96
.375 (3/8") 17.1 lbs. 547 lbs. 48 x 96
.500 (1/2") 22.8 lbs. 730 lbs. 48 x 96
.750 (3/4") 34.2 lbs. 1,075 lbs. 48 x 96
1.00"(1") 44.8 lbs. 1,434 lbs. 48 x 96
Silicon Bronze Round Rod
Size Lbs. Per Foot Lbs. Per Length
1/16" .012 **.036
3/32" .027 **.081
1/18" .046 **.138
3/16" .103 **.309
1/4" .181 2.170
5/16" .285 3.420
3/8" .408 4.900
7/16" .555 6.660
1/2" .726 8.710
9/16" .943 11.33
5/8" 1.134 13.610
3/4" 1.632 19.580
7/8" 2.261 27.132
1" 2.890 34.720
1-1/8" 3.740 44.880
1-1/4" 4.520 54.230
1-3/8" 5.587 67.046
1-1/2" 6.510 78.100
1-3/4" 8.860 106.32
2" 11.580 138.910
Silicon Bronze Square Rod
Size Lbs. Per Foot Lbs. Per Length
1/2" x 1/2" .96 11.52
5/8" x 5/8" 1.49 17.90
3/4" x 3/4" 2.16 25.92
1" x 1" 3.79 45.48
1.5" x 1.5" 8.68 104.16
Silicon Bronze Flat Bar
Size Weight Per Ft. Weight Per Length
1/8" x 1" .48 5.7 lbs.
3/16" x 1" .72 8.6 lbs.
3/16" x 1-1/2" 1.07 12.8 lbs.
1/4" x 1" .98 11.5 lbs.
1/4" x 2" 1.94 23.3 lbs.
1/2" x 1" 1.94 23.3 lbs.
1/2" x 2" 3.88 46.5 lbs.
Silicon Bronze Round Tube
Size Weight Per Ft.
.500 OD x .078 Wall x .344 ID .40 lbs./ft.
.750 OD x .094 Wall x .562 ID .73 lbs./ft.
1.000 OD x .125 Wall x .750 ID 1.31 lbs./ft.
1.250 OD x .125 Wall x 1.000 ID 1.71 lbs./ft.
1.500 OD x .156 Wall x 1.188 ID 2.50 lbs./ft.
1.750 OD x .156 Wall x 1.438 ID 2.92 lbs./ft.
2.000 OD x .172 Wall x 1.656 ID 3.75 lbs./ft.
2.500 OD x .172 Wall x 2.156 ID 4.83 lbs./ft.
Silicon Bronze Square Tube
Size Weight Per Ft.
1.0" x .100" Wall 1.5 lbs./ft.
1.5" x 1.5" x .100" Wall 2.3 lbs./ft.
2.0" x 2.0" x .100" Wall 3.2 lbs./ft.
Silicon Bronze Welding Rod
Size Weight Per Ft.
1/16" .012 lb.
3/32" .027 lb.
1/8" .046 lb.
3/16" .103 lb.
Silicon Bronze Welding Wire
Size Ft. Per Lb. Coil Sizes
.035" diam. 289 ft. 10 lb. spool
.035 diam. 289 ft. 25 lb. spool

All Silicon Bronze Specifications

Copper Alloy No. C65500 (High Silicon A)
Composition - Percent

Nominal Minimum Maximum
Copper 97 Remainder
Lead - - 0.05
Iron - - 0.80
Zinc - - 1.50
Manganese - 0.50 1.30
Silicon 3 2.80
3.80
Nickel - -
0.60
Nearest Applicable A S T M Specifications 
Bolts F468
Flat Products B96, B98, B100, B124, B432
Nuts F467
Pipe B315
Rod B98, B124
Screws F468
Shapes B98, B124, B283
Studs F468
Tube B315
Wire B99, B105
Physical Properties 

 English Units C.G.S. Units
Melting Point (Liquidus) 1880°F 1025°C
Melting Point (Soluidus) 1780°F 970°C
Density .308lb / cu in @ 68°F 8.53 gm / cu cm @ 20°C
Specific Gravity 8.53 8.53
Coefficient of Thermal
Expansion		 per °F from 68°F to 212°F per °C from 20°F to 100°F
Coefficient of Thermal
Expansion		 per from 68°F to 392°F per °C from 20°F to 200°F
Coefficient of Thermal
Expansion		 .0000100 per °F from 68°F to
572°F		 .0000180 per °C from 20°F to
300°F
Thermal Conductivity
 21 Btu / sq ft / ft / hr / °F @
68°F
 0.9 cal / sq cm / cm / sec / °C
@ 20 °C
Electrical Resistivity
(Annealed)
 148 Ohms (circ mil / fit) @
68°F
 24.6 Microhm-cm @ 20°C
Electrical Conductivity
(Annealed)
 7.0 % IACS @ 68°F
 .0406 Megmho-cm @ 20°C
Thermal Capacity
(Specific Heat)
 09 Btu / lb °F @ 68°F .09 cal / gm / °C @ 20°C
Modulus of Elasticity
(Tension)
 15,00 ksi 10,500 Kg /sg mm
Modulus of Rigidity
 5,600 ksi 3,900 Kg /sq mm
*Volume Basis
Typical Uses
Aircraft:
hydraulic pressure
Hardware:
bolts, burrs, butts, clamps, cotter pins, hinges,
marine hardware, nails, nuts, pole line hardware, screws
Industrial:
bearing plates, bushings, cable, channels,
chemical equipment, heat exchanger tubes, kettles,
piston rings, tanks, rivets, screen cloth and wire, screen plates, shafting
Marine:
propeller shafts
Common Fabrication Processes 

Blanking, drawing, forming and bending, heading and upsetting, hot forging and 
pressing, roll threading and knurling, shearing, squeezing and swaging 

Fabrication Properties
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Hot Forgeability Rating (Forging Brass = 100) 40
Hot Working Temperature 1300-1600°F or 700-875°C
Annealing Temperature 900-1300°F or 700-875°C
Machinability Rating (Free Cutting Brass = 100) 30
Suitability for being joined by:
Soldering Good
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Excellent
Coated Metal Arc Welding Fair

Resistance Welding
Spot Excellent
Seam Excellent
Butt Excellent
Copper Alloy No. C65500 (High Silicon B)
Composition - Percent

 Nominal Minimum Maximum
Copper 98.5 Remainder
Lead - - 0.05
Iron - - 0.80
Zinc - - 1.50
Manganese - 0.50 0.70
Silicon 1.5 0.80
2.00
Nearest Applicable A S T M Specifications 
Bolts F468
Flat Products B96, B98, B432
Nuts F467
Pipe B315
Rod B98
Screws F468
Shapes B98
Studs F468
Tube B315
Wire B99, B105
Physical Properties 

 English Units C.G.S. Units
Melting Point (Liquidus) 1940°F 1060°C
Melting Point (Soluidus) 1890°F 1030°C
Density .316lb / cu in @ 68°F 8.75 gm / cu cm @ 20°C
Specific Gravity 8.75 8.75
Coefficient of Thermal
Expansion		 per °F from 68°F to 212°F per °C from 20°F to 100°F
Coefficient of Thermal
Expansion		 per °F from 68°F to 392°F per °C from 20°F to 200°F
Coefficient of Thermal
Expansion		 .000005 per °F from 68°F to 572°F .0000179 per °C from 20°F to 300°F
Thermal Conductivity
 33 Btu / sq ft / ft / hr / °F @ 68°F
 0.14 cal / sq cm / cm / sec / °C @ 20 °C
Electrical Resistivity
(Annealed)
 86.4 Ohms (circ mil / fit) @ 68°F
 14.4 Microhm-cm @ 20°C
Electrical Conductivity
(Annealed)
 12 % IACS @ 68°F
 .0696 Megmho-cm @ 20°C
Thermal Capacity
(Specific Heat)
 09 Btu / lb °F @ 68°F .09 cal / gm / °C @ 20°C
Modulus of Elasticity
(Tension)
 17,00 ksi 12,000 Kg /sg mm
Modulus of Rigidity
 6,400 ksi 4,500 Kg /sq mm
*Volume Basis
Typical Uses
Aircraft:
hydraulic pressure lines
Hardware:
anchors screws, bolts, cable, clamps, cap screws, machine screws, marine hardware, nuts, pole line hardware, rivets, U-bolts
Industrial:
electrical conduits, heat exchangertubes, welding rod
Common Fabrication Processes

Forming and bending, heading and upsetting, hot forging and
pressing, roll threading and knurling, squeezing and swaging

Fabrication Properties
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Hot Forgeability Rating (Forging Brass = 100) -
Hot Working Temperature 1300-1600°F or 700-875°C
Annealing Temperature 900-1250°F or 475-675°C
Machinability Rating (Free Cutting Brass = 100) 30
Suitability for being joined by: 
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Excellent
Coated Metal Arc Welding Fair

Resistance Welding
Spot Excellent
Seam Good
Butt Excellent
Silicon Bronze Ingot CDA 873 - Everdur
Composition
Nominal
Copper 95
Silicon 4
Silicon 4Manganese 1
Physical Properties
Melting Point (Liquidus) 1790F
Melting Point (Solidus) 1590F
Pouring Temperture (Light) 2000-2150F
Pouring Temperture (Heavy) 1850-1950F
Density .302 lb/cu. in.
Suitability for being joined by:
Brazing Good
Oxyacetylene Welding Good
Carbon Arc Welding Fair
Gas Shield Arc Welding Good
Coated Metal Arc Welding Good
Machinability Rating 40
Patternmakers' Shrinkage (in./ft) 1/4"
SizesPolished Shot, 1/2" Cubes, 2" Cut Lengths, 5 lb Bars, 20 lb Ingots
Silicon Bronze Ingot CDA 876 - Herculoy
Composition
Nominal
Copper 92
Silicon 4
Zinc 4
Physical Properties
Melting Point (Liquidus) 1780F
Melting Point (Solidus) 1580F
Pouring Temperture (Light) 1975-2100F
Pouring Temperture (Heavy) 1850-1950F
Density .301 lb/cu. in.
Suitability for being joined by:
Brazing Fair
Oxyacetylene Welding Good
Carbon Arc Welding Poor
Gas Shield Arc Welding Fair
Coated Metal Arc Welding Fair
Machinability Rating 40
Patternmakers' Shrinkage (in./ft) 3/16"
Sizes
Polished Shot, 1-2" Cubes, 2" Cut Lengths, 5 lb Bars, 20 lb Ingots

Description