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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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60/40 Brass Tubes (Muntz Metal 280)

Lead Free Brass Tubes / 60/40 Brass Tubes (Muntz Metal 280)

60/40 Brass Tubes (Muntz Metal 280) are produced from an alloy containing 60% copper and 40% zinc, offering high strength, excellent durability, and good corrosion resistance. Known for its toughness and hot-working properties, Muntz Metal 280 is widely used in marine, architectural, and industrial applications. These tubes are ideal for condensers, heat exchangers, shipbuilding components, and fluid handling systems requiring dependable long-term performance.

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Description
Chemical Composition
Physical Properties

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