Project Description

W-342

EN 1982 CC764S
CuZn34Mn3Al2Fe1-C
  • The W-342 is a high tensile brass.
  • It is an extremely hard material, especially suited for machine elements submitted to the highest demands.
  • The closest international standard is the ASTM B505 C86200
  • Wisco has a large stock of rectangular bars and round solid and hollow bars with immediate availability.
Chemical composition
% min. % máx
Cu 5,5  66,0
Sn 0,3
Pb 0,3
Zn remainder
P 0,03
Fe  0,5 2,5
Ni 3,0
Si 0,1
Al  1,0 3,0
Mn 1,0 4,0
Sb 0,05
Mechanical properties (Minimum values)
Moulding process and nomination C. Continuous and
C. Centrifugal
Tensile Strength
Rm (MPa)
620
Yield Point 0,2%
Rp0,2 (MPa)
260
Elongation 5D
A (%)
14
Hardness HBw 10-1000 150



Physical properties
Density
kg/dm3
7,8
Specific Heat
J/(g*K)
0,373
Thermal Expansion
10-6 K
20,0
Thermal Conductivity
W/(m*K)
55 – 59
Electrical Conductivity
MS/m
7 – 8

Applications

Category Product Reason Category Reason
Builders Hardware Brackets Corrosion Resistance Corrosion Resistance
Brackets Mechanical Properties Moderate Strength
Structural Parts Corrosion Resistance Corrosion Resistance
Structural Parts Mechanical Properties Moderate Strength
Fasteners Screw Down Nuts Corrosion Resistance Corrosion Resistance
Screw Down Nuts Friction & Wear Properties Wear Resistance
Screw Down Nuts Mechanical Properties Moderate Strength
Industrial Bushings Corrosion Resistance Corrosion Resistance
Bushings Friction & Wear Properties Wear Resistance
Bushings Mechanical Properties Moderate Strength
Cams Corrosion Resistance Corrosion Resistance
Cams Friction & Wear Properties Wear Resistance
Cams Mechanical Properties Moderate Strength
Frames Corrosion Resistance Corrosion Resistance
Frames Friction & Wear Properties Wear Resistance
Frames Mechanical Properties Moderate Strength
Gears Corrosion Resistance Corrosion Resistance
Gears Friction & Wear Properties Wear Resistance
Gears Mechanical Properties Moderate Strength
High Strength Machine Parts Conductivity (Thermal) Thermal Conductivity
High Strength Machine Parts Corrosion Resistance Corrosion Resistance
High Strength Machine Parts Corrosion Resistance Corrosion Resistance to the Atmosphere
High Strength Machine Parts Friction & Wear Properties Wear Resistance
High Strength Machine Parts Mechanical Properties Moderate Strength
Hooks Corrosion Resistance Corrosion Resistance
Hooks Mechanical Properties Mechanical Properties
Marine Racing Propellers Corrosion Resistance Corrosion Resistance
Marine Racing Propellers Corrosion Resistance Corrosion Resistance to Salt Water
Marine Racing Propellers Corrosion Resistance Corrosion Resistance to the Atmosphere
Marine Racing Propellers Friction & Wear Properties Wear Resistance
Marine Racing Propellers Mechanical Properties Moderate Strength
Pressing Dies for Wood Pulp Corrosion Resistance Corrosion Resistance
Pressing Dies for Wood Pulp Friction & Wear Properties Wear Resistance
Pressing Dies for Wood Pulp Mechanical Properties Moderate Strength
Shafts Corrosion Resistance Corrosion Resistance
Shafts Friction & Wear Properties Wear Resistance
Shafts Mechanical Properties Moderate Strength
Struts Corrosion Resistance Corrosion Resistance
Struts Corrosion Resistance Corrosion Resistance to the Atmosphere
Struts Friction & Wear Properties Wear Resistance
Struts Mechanical Properties Moderate Strength
Valve Stems Corrosion Resistance Corrosion Resistance
Valve Stems Friction & Wear Properties Wear Resistance
Valve Stems Mechanical Properties Moderate Strength
Wear Rings for Pressing Dies for Wood Pulp Industry Corrosion Resistance Corrosion Resistance
Wear Rings for Pressing Dies for Wood Pulp Industry Friction & Wear Properties Wear Resistance
Wear Rings for Pressing Dies for Wood Pulp Industry Mechanical Properties Moderate Strength
Worm Gears Corrosion Resistance Corrosion Resistance
Worm Gears Friction & Wear Properties Wear Resistance
Worm Gears Mechanical Properties Moderate Strength
Marine Boat Parts Corrosion Resistance Corrosion Resistance
Boat Parts Corrosion Resistance Corrosion Resistance to Salt Water
Boat Parts Corrosion Resistance Corrosion Resistance to the Atmosphere
Boat Parts Friction & Wear Properties Wear Resistance
Boat Parts Mechanical Properties Moderate Strength
Clamps Corrosion Resistance Corrosion Resistance
Clamps Corrosion Resistance Corrosion Resistance to Salt Water
Clamps Mechanical Properties Moderate Strength
Marine Castings Corrosion Resistance Corrosion Resistance
Marine Castings Corrosion Resistance Corrosion Resistance to Salt Water
Marine Castings Corrosion Resistance Corrosion Resistance to the Atmosphere
Marine Castings Friction & Wear Properties Wear Resistance
Marine Castings Mechanical Properties Moderate Strength
Rudders Corrosion Resistance Corrosion Resistance
Rudders Corrosion Resistance Corrosion Resistance to Salt Water
Rudders Corrosion Resistance Corrosion Resistance to the Atmosphere
Rudders Friction & Wear Properties Wear Resistance
Rudders Mechanical Properties Moderate Strength
Ordnance Gun Mounts Appearance Appearance
Gun Mounts Corrosion Resistance Corrosion Resistance
Gun Mounts Friction & Wear Properties Wear Resistance
Gun Mounts Mechanical Properties Moderate Strength

Closest international standards

Country Standard Alloy Code Former Denomination Status
Europe EN 1982 : 1998 CuZn34Mn3Al2Fe1-C CC764S
Italy UNI 6139 : 1968 CuZn39Al2Mn2Fe1- A G-OTS 56 – A Ottoni speciali 5
Italy UNI 6139 : 1968 CuZn39Al2Mn2Fe1- B G-OTS 56 – B Ottoni speciali 5
Portugal NP 1566 : 1978 F-CuZn30Al5FeMnNi Latao de alta resistência para
Switzerland VSM 10810-2 : 1973 CuZn34Al2FeMn [ G-SoMs 55/4 ]

Optional thermal treatments available on clients’ request

Process Temperature Time Cooling Time
Stabilised 300°C 1.5h En horno

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