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

Cw713r Brass Hollow Bar

Leaded Brass Hollow Rods / Cw713r Brass Hollow Bar

CW713R Brass Hollow Bars are high-performance lead-free brass tubes offering excellent strength, corrosion resistance, and machinability. Designed for demanding engineering and plumbing applications, they are widely used in valves, fittings, potable water systems, and precision components. These DZR (dezincification-resistant) hollow bars ensure long service life, reliable performance, and compliance with modern environmental standards.

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Description
Chemical Composition
Physical Properties
Sizes Available

We are a leading and well recognized names in the field of offering quality finished range of High Tensile Hollow Rods that are as per ASTM B505 C95200, ASTM B148 C95200, ASTM B271 C95200. Also meeting the specifications as per BS 1400 AB1, SAE 68a, UNI 5273, DIN 1714 GK CuAl10Fe 2.0940.02, CuAl10Fe2-C, IS 3.5 AB1. These are made available in annealed finish in sizes of 6 to 15, 15 to 50, 50 to 80 and 80 and above. These bronze rods have excellent capacity to be cold and hot formed and have machine-ability rating of 50%. Further, the rods have Forge-ability rating of 75 %, fair suitability for brazing and good welding capability.

Advantages:

Excellent capacity to be cold and hot formed
Good Hardness
Excellent capability for brazing and plating
Excellent welding capability
Improved corrosion resistance
Non sparking alloy
Increased wear and heat resistance

Applications:

AutomobileBushing
For worm Gears
Valve stems
High pressure valves
Marine Pump Hardware & Bearings
Valve guides and seats, Nuts, Shafts, Bolts & Threaded parts for Ship building Industry

Equivalent Specifications

SPECIFICATIONS	DESIGNATION
ASTM	CW713R
BS	CZ135
EN	CuZn37MnAL2PbSi
Din	2.0550 (CuZn40AL2)
ISO	1338-CuAl10Fe2

Chemical Composition

	Cu	PB	SN	ZN	SI	NI	Fe	Al
Min/Max	57 - 59	0.2 - 0.8	MAX 0.4	REM	0.3 â€“ 1.3	MAX 1.0	MAX1.0	1.3 â€“ 2.3

Physical Properties

Condition	Size	T.S.Kg/mm	EL % Min
Annealed / As Manufactured	6 To 15 15 TO 50 50 TO 80 80 & Above	700 700 680 650	10% 12% 12% 12%

Fabrication Properties

Capacity for Being	-
Cold Formed	Poor
Hot Formed	Good
Machinability Rating	30%
Forging Rating	75%
Suitability for Soldering	Poor
Suitability for Brazing	Fair
Suitability for Welding	Good