Silicon Bronze Ingot Shapes

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.

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"