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Product Range

Admiralty Brass Tubes/Pipes

Aluminium Brass Tubes/Pipes

Copper Nickel

» 90/10 Copper Nickel

» 70/30 Copper Nickel

Lead Free Brass Tubes

» 70/30 Brass Tubes/Pipes

» 63/37 Brass Tubes/Pipes

» 60/40 Brass Tubes
(Muntz Metal 280)

Copper Tubes/Pipes

» Copper Pan Cake Coils

» DLP Copper Tubes/Pipes

» DHP Copper Tubes/Pipes

» ETP Copper Tubes/Pipes

» Copper Tubes for Refrigeration &
Air Conditioning

» Copper Tubes for General
Engineering Purpose

Leaded Brass Hollow Rods

» Free Cutting Hollow Rods

» Forging Hollow Rods

» High Tensile Hollow Rods

Brass Rods & Profiles

» Forging Brass Rods

» High Tensile Brass Rods

» Riveting Brass Rods

» Free Cutting Brass Rods

» Profile and Flats Brass Rods

» Naval Brass Rods

Bronze Rods

» Lead Bronze

» Phosphorus Bronze

» Aluminium Bronze Rods

» Aluminium Silicone Bronze Rods

Brass Wire

» Riveting Brass Wire

» Free Cutting Brass Wire

» Lead Free Brass Wire

Finned Tubes/Pipes

U-Bend Tubes/Pipes

Dezincification Resistant Brass
(DZR) / Eco Brass

» C27450 DZR Lead Free Brass

» C33000 Low Leaded Brass

» C36300 Copper Lead Zinc Alloy

» C36500 Leaded Muntz Metal

» C37000 Free Cutting Metal

Copper Pipe for Medical
Gas Pipeline System (MGPS)

» Medical Grade Copper Pipes

 

Metal Alloys Corporation

Home » Lead Free Brass Tubes

Lead Free Brass Tubes

70/30 Brass Tubes/Pipes

70-30 Brass Tubes
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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 :
Uses : Condenser & heat exchangers tubes mainly for sugar plants, liner material for hand pumps.

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63/37 Brass Tubes/Pipes

63-37 Brass Tubes
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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

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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60/40 Brass Tubes (Muntz Metal 280)

60-40 Brass Tubes
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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:

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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