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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

Is 319 Brass Hollow Bar

Leaded Brass Hollow Rods / Is 319 Brass Hollow Bar

IS 319 Brass Hollow Bars are high-quality brass tubes manufactured as per Indian Standard IS 319, offering excellent machinability, corrosion resistance, and strength. Designed for precision engineering applications, they are ideal for valves, fittings, bushings, and industrial components. These hollow bars ensure consistent quality, good dimensional accuracy, and reliable performance in a wide range of manufacturing and machining uses.

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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:

ARCHITECTURE: Elevator Trim, Thresholds, Door Frames, Handrails, Terrazzo Strip, Shower Doors, Privacy Sun Grills, Trim, Store Fronts, Architectural Forgings, extrusions, Architectural Moldings, Window Mullions, Bathroom Partition Brackets
BUILDERS HARDWARE: Hinges, Drawer Pulls, Lock Cams, butts, Slide Bolts, Lock Bodies, Drawer Handles
CONSUMER: Picture Frames, Funeral Urns, Lamps, Fireplace Screens, Straight Edges, Handles, Hot Combs (to straighten hair), Squeegee Retainers
INDUSTRIAL: Valve Trim, Press Brake Ram Clamps, Valve Stems, Valves, Gauges, Valve Seats, Forgings, Wheeled Racks

Equivalent Specifications

SPECIFICATIONS	DESIGNATION
ISO	CuZn39Pb3
Europen	CuZn39Pb3
BS	CZ-121
JIS	C 3561
Russian	LS59-3

Chemical Composition

	Cu	As	Pb	Zn
Min/Max	55.0 - 59.0	0.35	2.5 - 3.5	Rem
Nominals	57.0000	-	3.0000	40.0000

Physical Properties

Coefficient of Thermal Expansion	11.65 10−6Per °F (68-572 F)
Density	0.306 lb/in3 @ 68 F
Electrical Conductivity	28 %IACS @ 68 F
Electrical Resistivity	37 ohms-cmil/ft @ 68 F
Melting Point Liquid US	1630 F
Melting Point Solid US	1610 F
Modulas of Elasticity in Tension	14000 ksi
Modulas of Rigidity	5300 ksi
Specific Gravity	8.47
Specific Heat Capacity	0.09 Btu/lb/°F @ 68 F
Thermal Conductivity	71.0 BTU in/hr.ft2.°F @ 68 F

Sizes Available

HOLLOW RODS	Min Bore Size 20 mm and Max OD 100 mm
ROUND RODS/RODS	6mm To 130 mm
HEX	5mm To 60mm
SQUARE	4mm To 60mm
FLAT	5mm Min Thickness and max Width 120mm
PROFILES / SECTIONS	AS per Customer Drawing
BILLETS	Up to 200 mm
INGOTS	AS per Specification