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CW713R High Tensile Brass
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CW713R High Tensile Brass

CW713R (CuZn37Mn3Al2PbSi)

BS EN 12164, BS EN 12165, BS EN 12167

CW713R is a high tensile brass which is alloyed with aluminum, manganese and silicon etc. which makes this alloy almost as hard as aluminum bronze, but considerably easier to process. CW713R also has good corrosion, wear resistance and machinability.

Typical Applications

INDUSTRIAL: Bushings, Cams, Shafts, Wear Plates, Gears, Chain Guides, Food Conveyor, Connecting Rods

Fabrication Processes: Hot Forging and Pressing & MachiningåÊ


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Cu Al Fe Mn Ni Pb Si Sn Zn Others
Min/Max 57.0-59.0 1.3-2.3 1.0 1.5-3.0 1.0 0.2-0.8 0.3-1.3 0.4 REM 0.3
Product Property US Customary Metric
Coefficient of Thermal Expansion 11.0 ÌÎ?̴ÌÁ10-6 per ÌÎ?̴åÁF (68-572 ÌÎ?̴åÁF) 19.8 ÌÎ?̴ÌÁ 10 6? per ÌÎ?̴åÁC (20-300 C)
Density 0.292 lb/in3 @ 68 F 8.08 gm/cm3 @ 20 C
Electrical Conductivity 23 %IACS @ 68 F 0.164 MegaSiemens/cm @ 20 C
Electrical Resistivity 45.1 ohms-cmil/ft @ 68 F 0.135 microhm-cm @ 20 C
Melting Point Liquid US 1625 F 885 C
Melting Point Solid US 1590 F 866 C
Modulas of Elasticity in Tension 16000 ksi 110000 MPa
Modulas of Rigidity 6000 ksi 41370 MPa
Specific Gravity 8.53 8.53
Specific Heat Capacity 0.09 Btu/lb/å¡FåÊatåÊ68 F 377.1 J/kg å¡K at 20 C
Thermal Conductivity 58.0 Btu/lb/å¡FåÊatåÊ68 F 100.4 W/m å¡K at 20 C
Joining Technique Suitability
Brazing Good
Butt Weld Good
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Excellent
Coated Metal Arc Welding Not Recommended
Gas Sheilded Arc Welding Fair
Machinability rating 30
Oxyacetylene Welding Not Recommended
Seam Weld Good
Soldering Fair
Spot Weld Good