Lead Free Brass Tubes

70/30 Brass Tubes/Pipes

Being the leaders in the industry, we are engaged in manufacturing and exporting a varied
assortment of 70/30 Brass Tubes, Condenser Tubes. Precisely manufactured using premium grade
raw materials that are sourced from trusted & reliable dealers, the brass tubes offered by us are used
in various industries including, sugar & general engineering. Our 70/30 Brass Tubes are sturdy in
construction, easy to install, durable, corrosion proof and offered at nominal costs.

Application Area: Sugar Industries, Plumbing, Furniture, Hand Pumps, Ammunitions, General Engineering.

Technical Specifications :

Specification :
70/30 Brass	ASTM B 135 C 26000 BS 2871 Part 3 CZ - 126EN 12451 CuZn30As NFA 51 102 CuZn30 JIS H 3300 C 2600 AS 1572 26130

S407/81 (SUGAR ALLOY I)
Chemical Requirements	CuZn30As
Copper + Incidental Ni	68.5 - 71.5%
Lead	0.07% max
Arsenical	0.02 to 0.06%
Iron	0.06% max
Other Imp.	0.30% max
Zinc	Remainder

Physical Properties
Condition	T.S. Mpa	Hardness (HV5)
Annealed (O)	285 min	75 max
Temper Annealed (TA)	300 min	80-110
Hard (H)	400 min	135 min

Further Tests :

Drift Test
Flattening Test
MN Test
Hydraulic Test

Uses : Condenser & heat exchangers tubes mainly for sugar plants, liner material for hand pumps.

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63/37 Brass Tubes/Pipes

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We are one of the leading manufacturers, exporters and suppliers of a complete line of 63/37 Brass Tubes. These are manufactured by adept technicians in accordance to the set domain guidelines & norms to ensure excellent performance, durability, rugged construction, reliable operation and corrosion resistance. Available in both standard & customized forms, our 63/37 Brass Tubes are affordable in prices and find usage in diverse industries across the globe.

Specification :
63/37 Brass	ASTM B135 C 27000 JIS H33000 C 2700 ISO 1637 CuZn37

IS407/81 (SUGAR ALLOY I & COMMON ALLOY II)

Chemical Requirements	CuZn30As	CuZn37
Copper + Incidental Ni	68.5 - 71.5%	62.0 - 65.0%
Lead	0.07% max	0.30% max
Arsenical	0.02 to 0.06%	0.06% mac
Iron	0.06% max	0.10% max
Other Imp.	0.30% max	0.06% max
Zinc	Remainder	Remainder

Physical Properties
Condition	T.S. MPa	Hardness (HV5)	T.S. MPa	Hardness (HV5)
Annealed (O)	285 min	75 max	285 min	80 max
Temper Annealed (TA)	300 min	80-110	320 min	80-110
Hard (H)	400 min	135min	400 min	130min

Further Tests

Drift Test
Flattening Test
MN Test
Hydraulic Test

Uses
Gr 1 : Condenser & heat exchangers tubes mainly for sugar plants, liner material for hand pumps.
Gr 2 : Transmission aerials, Stove burner, decorative articles, hardware

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CATEGORY	ASTM	BS	EN	JIS	DIN	ISO	IS
Yellow Brass	C28500		cw510L			Cuzn42
Muntz Metal	C28000	CZ109	CW509L	C2801	CuZn40	1634-CuZn40

60/40 Brass Tubes (Muntz Metal 280)

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Founded and patented by English businessman George F. Muntz in 1832, Muntz Metal (C28000 or C280) is primarily used in architectural applications owing to its distinctive color. It is highly plastic metal at red heat that makes it ideal for pressing, stamping and hot forging. The metal alloy is also appreciated for high electrical and thermal conductivity, high ductility, high impact strength, good creep resistance, ease of welding, and low volatility under high vacuum.

Application Areas:

Architectural Panels
Large Architectural Trim
Structural Sheets
Door Frames
Decorative Hardware
Condenser Plate
Heat Exchanger Tube
Valve Stems
Brazing Rods

Specification :
60/40 Brass	ISO CuZn40 EN CuZn40 BS CZ 109 JIS C2800 Russian L60

Chemical Composition

(%max., unless shown as range or min.)
	Cu	Fe	Pb	Zn
Min./Max.	59.0-63.0	80 - 83.0	0.2	Rem.
Nominal	60	-	-	40

Physical Properties
Product Property	US Customary	Metric
Coefficient of Thermal Expansion	11.6 ·10-6 per oF (68-572 F)	20.9 · 10 6? per °C (20-300 C)
Density	0.303 lb/in3 @ 68 F	8.39 gm/cm3 @ 20 C
Electrical Conductivity	28 %IACS @ 68 F	0.164 MegaSiemens/cm @ 20 C
Electrical Resistivity	37.0 ohms-cmil/ft @ 68 F	6.15 microhm-cm @ 20 C
Melting Point Liquid US	1660 F	904 C
Melting Point Solid US	1650 F	899 C
Modulas of Elasticity in Tension	15000 ksi	103400 MPa
Modulas of Rigidity	5600 ksi	38610 MPa
Specific Gravity	8.39	8.39
Specific Heat Capacity	0.09 Btu/lb/°F @ 68 F	377.1 J/kg · °K at 293 K
Thermal Conductivity	71.0 Btu · ft/(hr · ft2 ·°F) @ 68 F	1229.9 W/m · °K at 20 C

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