Silicon Aluminum Bronze

The C63600 Silicon Aluminum Bronze possess good hot and cold workability, forging ability. The alloy is fabricated by bending, coining, drawing and upsetting, hot forging and pressing, knurling, roll threading, shearing, spinning, swaging, and stamping.

Typical Uses :

• Electrical :  Cold Headed Nuts, Cable Connectors, Components for Pole Line Hardware
• Fasteners :  Screw Machine Products, Bolts
• Industrial :  Valve Components, Nuclear Power Service

Chemical Composition:

	Al	As	Cu	Fe	Pb	Ni	Si	Sn	Zn
Min/Max	3.0 - 4.0	0.15	Rem	0.15	0.05	0.15	0.7 - 1.3	0.2	0.5
Nominals	3.5	-	95.5	-	-	-	1	-	-

Physical Properties:

Product Property	US Customary	Metric
Coefficient of Thermal Expansion	9.4 ·10-6 per oF (68-572 F)	16.9 ·10-6 per oC (20-300 C)
Density	0.301 lb/in3 at 68 F	8.33 gm/cm3 @ 20 C
Electrical Conductivity	12 %IACS @ 68 F	0.07 MegaSiemens/cm @ 20 C
Electrical Resistivity	86.4 ohms-cmil/ft @ 68 F	14.36 microhm-cm @ 20 C
Melting Point - Liquidus	1890 F	1032 C
Modulas of Elasticity in Tension	16000 ksi	110000 MPa
Specific Gravity	8.33	8.33
Thermal Conductivity	33.0 Btu · ft/(hr · ft2·oF)at 68F	57.1 W/m · oK at 20 C

Fabrication:

Joining Technique	Suitability
Brazing	Not Recommended
Butt Weld	Fair
Capacity for Being Cold Worked	Excellent
Capacity for Being Hot Formed	Fair
Coated Metal Arc Welding	Fair
Gas Shielded Arc Welding	Fair
Machinability Rating	40
Oxyacetylene Welding	Not Recommended
Seam Weld	Fair
Soldering	Not Recommended
Spot Weld	Fair

Sizes Available

ROUND RODS	8mm To 70 mm
HEX	10mm To 60mm
SQUARE	10mm To 60mm
FLAT	10mm Min Thickness and max Width 120mm
BILLETS	Up to 200 mm
INGOTS	As per Specification

, ASTM B249, QQ-C-465, AMS 4631, AMS 4634, EU Designation: CuAl7Si2, CW302G
The C64200 silicone aluminum alloy is an engineering alloy which is resistant to corrosion as copper and is much stronger. Is is manufactured in round, hexagonal and octagonal rods for hot forming and free machining. It is considered as best valve stem alloy and its other applications include gears, marine hardware, nuts, pole line hardware, and valve bodies and components.


Typical Uses :

• Automotive :  Valve Guides, Automobile Engine
• Electrical:  Pole Line Hardware
• Fasteners:  Bolts, Nuts
• Industrial: Valve Components, Valve Bodies, Gears, Valve Stems, Cams
• Marine:  Hardware

Equivelent Specifications:

Specifications	Designation
ISO	CuAl7Si2
European	CuAl7Si2
UNS	C64210

Chemical Composition:

	Al	As	Cu	Fe	Pb	Mn	Ni	Si	Sn	Zn
Min/Max	6.3 - 7.6	0.15	Rem	0.3	0.05	0.1	0.25	1.5 - 2.2	0.2	0.5
Nominals	7	-	91.2	-	-	-	-	1.8	-	-

Specifications :

End Product	Specification
Bar	AMS 4631, ASME SB150, ASTM B150
Bar, Forging	ASTM B124
Bolts	ASTM F468
Forgings, Die	AMS 4631, ASME SB283, ASTM B283
Nuts	ASTM F467
Rod	AMS 4631, ASME SB150, ASTM B150, SAE J463, J461
Rod, Forging	ASTM B124
Screws	ASTM F468
Shapes	ASTM B150
Shapes, Forging	ASTM B124
Studs	ASTM F468

Fabrication :

Joining Technique	Suitability
Brazing	Fair
Butt Weld	Fair
Capacity for Being Cold Worked	Poor
Capacity for Being Hot Formed	Excellent
Coated Metal Arc Welding	Fair
Gas Shielded Arc Welding	Fair
Machinability Rating	80
Oxyacetylene Welding	Not Recommended
Seam Weld	Fair
Soldering	Not Recommended
Spot Weld	Fair

Physical Properties :

Product Property	US Customary	Metric
Coefficient of Thermal Expansion	10.0 ·10-6 per oF (68-572 F)	18.0 ·10-6 per oC (20-300 C)
Density	0.278 lb/in3 at 68 F	7.7 gm/cm3 @ 20 C
Electrical Conductivity	8 %IACS @ 68 F	0.047 MegaSiemens/cm @ 20 C
Electrical Resistivity	113.0 ohms-cmil/ft @ 68 F	18.79 microhm-cm @ 20 C
Melting Point - Liquidus	1840 F	1004 C
Melting Point - Solidus	1800 F	982 C
Modulas of Elasticity in Tension	16000 ksi	110000 MPa
Modulus of Rigidity	6000 ksi	41370 MPa
Specific Gravity	7.69	7.69
Specific Heat Capacity	0.09 Btu/lb/·oF at 68F	377.1 J/kg ·oK at 293 K
Thermal Conductivity	26.0 Btu · ft/(hr · ft2·oF)at 68F	45.0 W/m · oK at 20 C

Sizes Available:

ROUND RODS	8mm To 70 mm
HEX	10mm To 60mm
SQUARE	10mm To 60mm
FLAT	10mm Min Thickness and max Width 120mm
BILLETS	Up to 200 mm
INGOTS	As per Specification

C65100 Low Silicon Bronze "B" is an engineering alloy resistant to corrosion as copper itself, but much stronger, and with good fatigue endurance. The alloy is appreciated for its brazing ability, strength, corrosion resistance and electrical properties and serves as one of the most weldable copper alloys. The alloy can be joined by using resistance welding, soldering or brazing. The alloy is joined by gas shield arc welding, spot welding and also by oxyacetylene welding.

Typical Uses :

• Electrical: Conduit, Pole Line Hardware, Motor, Rotor Bars
• Fasteners: Bolts, Cable Clamps, Cap Screws, Machine Screws, Nuts, Rivets, U Bolts, Fasteners, Screws
• Industrial: Oil Refinery Plumbing Tube, Heat Exchanger Tube, Welding Rod, Hydraulic Pressure Lines
• Marine:  Hardware

Equivelent Specifications:

Specifications	Designation
ISO	CuSi1
European	CuSi1
Czech Republic	CuSi1

Chemical Composition:

	Cu	Fe	Pb	Mn	Si	Zn
Min/Max	Rem	0.8	0.05	0.7	0.80 - 2.0	1.5
Nominals	98.5	-	-	-	1.5	-

Specifications:

End Product	Specification
Bar	ASME SB98, ASTM B98
Bolts	ASTM F468
Nuts	ASTM F467
Pipe	ASTM B315
Plate	ASTM B96
Plate, Clad	ASTM B432
Rod	ASME SB98, ASTM B98
Screws	ASTM F468
Shapes	ASME SB98, ASTM B98
Sheet	ASTM B96
Strip	ASTM B96
Studs	ASTM F468
Tube	ASTM B315
Wire	ASTM B99, B105

Fabrication:

Joining Technique	Suitability
Brazing	Excellent
Butt Weld	Excellent
Capacity for Being Cold Worked	Excellent
Capacity for Being Hot Formed	Excellent
Coated Metal Arc Welding	Fair
Gas Shielded Arc Welding	Excellent
Machinability Rating	30
Oxyacetylene Welding	Good
Seam Weld	Good
Soldering	Excellent
Spot Weld	Excellent

Physical Properties:

Product Property	US Customary	Metric
Coefficient of Thermal Expansion	9.9 ·10-6 per oF (68-212 F)	17.8 ·10-6 per oC (20-100 C)
Density	0.316 lb/in3 at 68 F	8.75 gm/cm3 @ 20 C
Electrical Conductivity	12 %IACS @ 68 F	0.07 MegaSiemens/cm @ 20 C
Electrical Resistivity	86.4 ohms-cmil/ft @ 68 F	14.36 microhm-cm @ 20 C
Melting Point - Liquidus	1940 F	1060 C
Melting Point - Solidus	1890 F	1032 C
Modulas of Elasticity in Tension	17000 ksi	117000 MPa
Modulus of Rigidity	6400 ksi	44130 MPa
Specific Gravity	8.75	8.75
Specific Heat Capacity	0.09 Btu/lb/oF at 68 F	377.1 J/kg · oK at 293 K
Thermal Conductivity	33.0 Btu · ft/(hr · ft2·oF)at 68F	57.1 W/m · oK at 20 C

Sizes Available

ROUND RODS/BARS	8mm To 70 mm
HEX	10mm To 60mm
SQUARE	10mm To 60mm
FLAT	10mm Min Thickness and max Width 120mm
BILLETS	Up to 200 mm
INGOTS	As per Specification

ASTM B96, ASTM B248, ASTM B98
The silicon bronze C65500 is a high strength, engineering alloy with having resistance against corrosion from fresh and salt water, acids, alkalies, salts and organic chemicals. The alloy is not suitable to be used with sulfides, nitric acid, acid chromates or oxidizing salts such as ferric chloride. The alloy possess strength, resilience and formability and is non-sparking, galling resistant and fatigue resistant.

The applications of C65500 include electrical conduit, pump shafts, valve stems, tie rods, fasteners, marine and pole-line hardware, nuts, bolts, screws, rivets, nails, bushings, screen cloth and wire.

Typical Uses :

• Electrical: Sculptures,Electrical,Pole Line Hardware,Motors,Rotor Bar
• Fasteners: Screws,Rivets,Burrs,Nuts,Nails,Cotter Pins,Clamps,Bolts,Hinges
• Industrial: Screen Cloth,Wear Plates,Screen Plates,Shafting,Wire,Welded Pressure Vessels,Oil Refinery Plumbing Tube,Bearing Plates,Butts
• Marine:  Vessel Hardware ,Propeller Shaft

Equivelent Specifications:

Specifications	Designation
ISO	CuSi3Mn1
European	CuSi3Mn1
BS	CS 101
Russian	BrKMo3-1

Chemical Composition:

	Cu	Fe	Pb	Mn	Ni	Si	Zn
Min/Max	Rem	0.8	0.05	0.50 - 1.3	0.6	2.8 - 3.8	1.5
Nominals	97.0000	-	-	0.9000		3.0000	-

Specifications:

End Product	Specification
Bar	SAE J463, J461
Bar, Forging	ASTM B124
Bar, Rolled, Pressure Vessels	ASME SB96, ASTM B96
Bolts	ASTM F468
Forgings, Die	ASTM B283
Nuts	ASTM F467
Pipe	ASME SB315, ASTM B315
Plate	ASME SB96, ASTM B96
Plate, Bridge and Bearing	ASTM B100
Plate, Clad	ASTM B432
Plate, Pressure Vessels	ASME SB96, ASTM B96
Rod	ASME SB98, ASTM B98, SAE J461, J463
Rod, Forging	ASTM B124
Screws	ASTM F468
Shapes	ASME SB98, ASTM B98, SAE J461, J463
Shapes, Forging	ASTM B124
Sheet	ASME SB96, ASTM B96, SAE J461, J463
Sheet, Bridge and Bearing	ASTM B100
Sheet, Pressure Vessels	ASME SB96, ASTM B96
Strip	ASME SB96, ASTM B96, SAE J461, J463
Studs	ASTM F468
Tube	ASME SB315, ASTM B315, MILITARY MIL-T-8231
Wire	ASTM B105, B99

Fabrication:

Joining Technique	Suitability
Brazing	Excellent
Butt Weld	Excellent
Capacity for Being Cold Worked	Excellent
Capacity for Being Hot Formed	Excellent
Coated Metal Arc Welding	Fair
Forgeability Rating	40
Gas Shielded Arc Welding	Excellent
Machinability Rating	30
Oxyacetylene Welding	Good
Seam Weld	Excellent
Soldering	Good
Spot Weld	Excellent

Physical Properties:

Product Property	US Customary	Metric
Coefficient of Thermal Expansion	10.0 ·10-6 per oF (68-212 F)	18.0 ·10-6 per oC (20-100 C)
Density	0.308 lb/in3 at 68 F	8.53 gm/cm3 @ 20 C
Electrical Conductivity	7 %IACS @ 68 F	0.041 MegaSiemens/cm @ 20 C
Electrical Resistivity	148.0 ohms-cmil/ft @ 68 F	24.6 microhm-cm @ 20 C
Melting Point - Liquidus	1880 F	1027 C
Melting Point - Solidus	1780 F	971 C
Modulas of Elasticity in Tension	15000 ksi	103400 MPa
Modulus of Rigidity	5600 ksi	38610 MPa
Specific Gravity	8.53	8.53
Specific Heat Capacity	0.09 Btu/lb/oF at 68 F	377.1 J/kg · oK at 293 K
Thermal Conductivity	21.0.0 Btu · ft/(hr · ft2·oF)at 68F	36.3 W/m · oK at 20 C

Sizes Available

ROUND RODS	8mm To 70 mm
HEX	10mm To 60mm
SQUARE	10mm To 60mm
FLAT	10mm Min Thickness and max Width 120mm
BILLETS	Up to 200 mm
INGOTS	As per Specification

ASTM 4616
The C65620 silicone bronze is high strength alloy with additional iron content that provides added strength in conjunction with the self lubricity of the silicon for excellent bearing and load properties. The alloy can easily be machined into ball bearing cage assemblies.

Typical Uses :

• Electrical:   Transistor Component Bases, High Resistance-Ratio Cryogenic Shunts, Bus Conductors, Wave Guides, Hollow Conductors, Anodes for Vacuum Tubes, Coaxial Cable, Coaxial Tube, Klystrons, Microwave Tubes, Bus Bars, Lead-in Wire, Vacuum Seals, Conductors, Glass-to-Metal Seals
• Automotive:  Automotive Rectifiers

Chemical Composition:

	Cu	Fe	Mn	Si	Zn
Min/Max	90	1.0-2.0	1	2.4-4.0	1.5-4.0
Nominals	-	-	-	-	-

Sizes Available

ROUND RODS/BARS	8mm To 70 mm
HEX	10mm To 60mm
SQUARE	10mm To 60mm
FLAT	10mm Min Thickness and max Width 120mm
BILLETS	Up to 200 mm
INGOTS	As per Specification