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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.

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Is 320 Ht1 High Tensile Brass Hollow Bar

High Tensile Brass Hollow Rods / Is 320 Ht1 High Tensile Brass Hollow Bar

IS 320 HT1 High Tensile Brass Hollow Bars are high-strength brass alloy bars manufactured to IS 320 specifications for superior mechanical performance and corrosion resistance. Ideal for marine, industrial, and heavy engineering applications, they offer excellent wear resistance, good machinability, and long-lasting reliability in demanding environments.

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Description
Chemical Composition
Physical Properties

CATEGORY	ASTM	BS	EN	JIS	DIN	ISO	IS
High Tensile Brass		BS1400 HTB1	CC765S		2.034	CuZn35Mn2AlFe1-C	IS 304 HTB 1
High Tensile Brass		IS:304 HTB2				CuZn36Al4FeMn
High Tensile Brass		BS1400 HTB3	CC762S		CuZn35Al5	CuZn25Al5Mn4Fe3-C	IS 304 HTB 2

IS 320 HT1 or HT2
BS 2874 CZ114 or CZ115
JIS 3250H C6782 or C6783

Chemical Requirements	HT1	HT2
Copper	56.0 - 60.0%	56.0 - 61.0%
Lead	0.20 to 1.50%	0.50 to 1.50%
Iron	0.20 to 1.25%	0.20 to 1.50%
Tin	0.20 to 1.0%	1.0% max
Aluminum	0.2% max	0.30 to 2%
Manganese	0.25 - 2.0%	0.50-2.0%
Total Imp.	0.50% max	0.50% max
Zinc	Remainder	Remainder

Physical Properties
Condition	Size	T.S. MPa	EL% Min	T.S. MPa	EL% Min
As manufactured	All Size	430 min	20%	460 min	20%
Cold-worked & Stress	10-40	480 min	12%	520 min	12%
Relieved	40 above			500 min	15%

Fabrication Properties
Capacity for being
Cold formed	Poor	Fair
Hot worked	Good	Good
Machinability Rating	30%	30%
Resistance to Corrosion	Excellent	Excellent
Suitability for soldering	Excellent	Fair
Uses
HT1 is suitable for Soldering
Ht2 is suitable for Machining