We fabricate a finest range of Naval Brass, which are renowned for their high strength, rust proof and durability features. Naval brass is a copper alloy containing 60% copper, 75% tin and around 39.25% zinc. These are made up of high-grade raw material and can be availed in the form of sheet, plate, rods and circle. Our range of naval brass is broadly used in marine and construction industry.

Specifics:

Naval Brass - IS: 291 Gr l & ll

Specifications:

Rod Brass	ASTM B135 C 23000 BS 2870 CZ 102 JIS H3300 C 2300
Naval Brass	IS291 Grade I or II BS 2874 CZ 112 JIS 3250 C4622 ASTM C48200

Chemical Requirements		Garde I		Grade II
Copper		61.0 - 64.0%		59.0 - 62.0%
Lead		0.20% max		0.50 to 1.0%
Tin		1.0 to 1.50%		0.50 to 1.0%
Iron		0.10% max		-
Other Imp.		0.20% max		0.20% max
Zinc		Remainder		Remainder
Physical Properties
Condition	Size	T.S. 2 Kg/mm2	EL% Min	T.S. 2 Kg/mm2	EL% Min
Half-Hard (HB)	Upto 12.5 12.5 to 50 50 to 100	40 min 38.5 min 35 min	18% 18% 18%	40 min 40 min 40 min	15% 15% 15%
Fabrication Properties
Capacity for being
Cold Worked		Fair		Poor
Hot Worked		Excellent		Good
Machinability Rating		30%		50%
Forgeability Rating		90%		90%
Silver Alloy Brazing		Excellent		Excellent
Soft Soldering		Excellent		Excellent
Oxyacetylene Welding		Good		Not Suitable
Uses
Gr I : Condenser Components, Propeller Shaft, Marine hardware where bending is required.
Gr II : Marine Hardware, Screw Machine, Valve Stems and Components for Naval use.