About Us

METALCO supplies copper, brass, and bronze semi-finished products for OEMs and distributors worldwide — with documented quality, export packing, and technical support you can rely on.

+91 93281 05180
bdm@metalalloyscorp.com
Plot 6-7, Khodiyar Colony, Jamnagar Gujarat India

Aluminum Silicon Bronze Hollow Bars

Bronze Hollow Rods / Aluminum Silicon Bronze Hollow Bars

Aluminum Silicon Bronze Hollow Bars are premium alloy tubes designed for high-strength and corrosion-resistant applications. They provide excellent wear resistance, superior mechanical strength, and outstanding durability, making them ideal for bushings, bearings, marine equipment, pump and valve components, and heavy-duty industrial engineering applications.

Download PDF Request a Quote (RFQ)

Urgent Quote? WhatsApp Now

Description
Chemical Composition
Physical Properties
Sizes Available

Excellent hot and cold workability; good forge ability. Fabricated by bending, coining, coppersmith, drawing and upsetting, hot forging and pressing, knurling, roll threading, shearing, spinning, swaging, and stamping.

Typical Applications:

ELECTRICAL: Cold Headed Nuts, Cable Connectors, Components for Pole Line Hardware
FASTENERS: Screw Machine Products, Bolts
INDUSTRIAL: Valve Components, Nuclear Power Service

Equivalent Specifications

SPECIFICATIONS	DESIGNATION
ISO	CuAl7Si2
Europen	CuAl7Si2
UNS	C64210

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	3.5000	-	95.5000	-	-	-	1.0000	-	-

Physical Properties

Product Property	US Customary
Coefficient of Thermal Expansion	9.4 10−6Per °F (68-572 F)
Density	0.301 lb/in3 at 68 F
Electrical Conductivity	12 %IACS @ 68 F
Electrical Resistivity	86.4 ohms-cmil/ft @ 68 F
Melting Point â€“ Liquidus	1890 F
Modulas of Elasticity in Tension	16000 ksi
Specific Gravity	8.33
Thermal Conductivity	33.0 BTU in/hr.ft2.°F @ 68 F