Project Description
W-255
EN 1982 CC762SCuZn25Al5Mn4Fe3-C
- W-255 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 C86300
- Wisco has a large stock of rectangular bars and round solid and hollow bars with immediate availability.
Chemical composition
| % min. | % máx | |
|---|---|---|
| Al | 3,0 | 7,0 |
| Cu | 60,0 | 67,0 |
| Fe | 1,5 | 4,0 |
| Mn | 2,5 | 5,0 |
| Ni | 3,0 | |
| Zn | Remainder | |
| P | 0,03 | |
| Pb | 0,2 | |
| Sb | 0,03 | |
| Si | 0,1 | |
| Sn | 0,2 |
1 Including nickel.
Mechanical properties (Minimum values)
| Moulding process and nomination | C. Continuous and C. Centrifugal |
|---|---|
| Tensile Strength Rm (MPa) |
750 |
| Yield Point 0,2% Rp0,2 (MPa) |
480 |
| Elongation 5D A (%) |
5 |
| HBW 10-1000 | 190 |
Physical properties
| Density kg/dm3 |
7,8 |
|---|---|
| Specific Heat J/(g*K) |
0,376 |
| Thermal Expansion 10-6 K |
18,0 |
| Thermal Conductivity W/(m*K) |
45 – 55 |
| Electrical Conductivity MS/m |
7 – 8 |
Applications
| Category | Product | Reason Category | Reason |
|---|---|---|---|
| Builders Hardware | Brackets | Corrosion Resistance | Corrosion Resistance |
| Brackets | Friction & Wear Properties | Wear Resistance | |
| Brackets | Mechanical Properties | High Strength | |
| Electrical | Electrical Components | Conductivity (Electrical) | Electrical Conductivity |
| Electrical Components | Conductivity (Thermal) | Thermal Conductivity | |
| Electrical Components | Corrosion Resistance | Corrosion Resistance | |
| Electrical Components | Mechanical Properties | High Strength | |
| Switches | Conductivity (Electrical) | Electrical Conductivity | |
| Switches | Conductivity (Thermal) | Thermal Conductivity | |
| Switches | Corrosion Resistance | Corrosion Resistance | |
| Switches | Mechanical Properties | High Strength | |
| Fasteners | Screw Down Nuts | Corrosion Resistance | Corrosion Resistance |
| Screw Down Nuts | Corrosion Resistance | Corrosion Resistance | |
| Screw Down Nuts | Mechanical Properties | High Strength | |
| Screw Down Nuts | Mechanical Properties | High Strength | |
| Industrial | Bridge Pins | Corrosion Resistance | Corrosion Resistance |
| Bridge Pins | Friction & Wear Properties | Wear Resistance | |
| Bridge Pins | Mechanical Properties | High Strength | |
| Bushings | Corrosion Resistance | Corrosion Resistance | |
| Bushings | Friction & Wear Properties | Wear Resistance | |
| Bushings | Mechanical Properties | High Strength | |
| Cams | Corrosion Resistance | Corrosion Resistance | |
| Cams | Friction & Wear Properties | Wear Resistance | |
| Cams | Mechanical Properties | High Strength | |
| Forming Dies for Wood Pulp Industry | Corrosion Resistance | Corrosion Resistance | |
| Forming Dies for Wood Pulp Industry | Friction & Wear Properties | Wear Resistance | |
| Forming Dies for Wood Pulp Industry | Mechanical Properties | High Strength | |
| Frames | Corrosion Resistance | Corrosion Resistance | |
| Frames | Mechanical Properties | High Strength | |
| Gears | Corrosion Resistance | Corrosion Resistance | |
| Gears | Friction & Wear Properties | Wear Resistance | |
| Gears | Mechanical Properties | High Strength | |
| Gib | Corrosion Resistance | Corrosion Resistance | |
| Gib | Friction & Wear Properties | Wear Resistance | |
| Gib | Mechanical Properties | High Strength | |
| High Strength Machine Parts | Conductivity (Thermal) | Thermal Conductivity | |
| High Strength Machine Parts | Corrosion Resistance | Corrosion Resistance | |
| High Strength Machine Parts | Friction & Wear Properties | Wear Resistance | |
| High Strength Machine Parts | Mechanical Properties | High Strength | |
| Hooks | Corrosion Resistance | Corrosion Resistance | |
| Hooks | Mechanical Properties | High Strength | |
| Hydraulic Cylinder Parts | Corrosion Resistance | Corrosion Resistance | |
| Hydraulic Cylinder Parts | Friction & Wear Properties | Wear Resistance | |
| Hydraulic Cylinder Parts | Mechanical Properties | High Strength | |
| Large Valve Stems | Corrosion Resistance | Corrosion Resistance | |
| Large Valve Stems | Friction & Wear Properties | Wear Resistance | |
| Large Valve Stems | Mechanical Properties | High Strength | |
| Propellers | Corrosion Resistance | Corrosion Resistance | |
| Propellers | Friction & Wear Properties | Wear Resistance | |
| Propellers | Mechanical Properties | High Strength | |
| Slow Speed, Heavy Load Bearings | Corrosion Resistance | Corrosion Resistance | |
| Slow Speed, Heavy Load Bearings | Friction & Wear Properties | Wear Resistance | |
| Slow Speed, Heavy Load Bearings | Mechanical Properties | High Strength | |
| Struts | Corrosion Resistance | Corrosion Resistance | |
| Struts | Mechanical Properties | High Strength | |
| Wear Rings for Forming Dies for Wood Pulp Industry | Corrosion Resistance | Corrosion Resistance | |
| Wear Rings for Forming Dies for Wood Pulp Industry | Friction & Wear Properties | Wear Resistance | |
| Wear Rings for Forming Dies for Wood Pulp Industry | Mechanical Properties | High Strength | |
| Marino | Boat Parts | Corrosion Resistance | Corrosion Resistance |
| Boat Parts | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Boat Parts | Friction & Wear Properties | Wear Resistance | |
| Boat Parts | Mechanical Properties | High Strength | |
| Clamps | Corrosion Resistance | Corrosion Resistance | |
| Clamps | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Clamps | Friction & Wear Properties | Wear Resistance | |
| Clamps | Mechanical Properties | High Strength | |
| Covers for Marine Hardware | Appearance | Appearance | |
| Covers for Marine Hardware | Corrosion Resistance | Corrosion Resistance | |
| Covers for Marine Hardware | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Covers for Marine Hardware | Friction & Wear Properties | Wear Resistance | |
| Covers for Marine Hardware | Mechanical Properties | High Strength | |
| Marine Hardware | Appearance | Appearance | |
| Marine Hardware | Corrosion Resistance | Corrosion Resistance | |
| Marine Hardware | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Marine Hardware | Mechanical Properties | High Strength | |
| Rudders | Corrosion Resistance | Corrosion Resistance | |
| Rudders | Corrosion Resistance | Corrosion Resistance to Salt Water | |
| Rudders | Friction & Wear Properties | Wear Resistance | |
| Rudders | Mechanical Properties | High Strength |
Closest international standards
| Country | Standard | Alloy | Code | Former denomination | Status |
|---|---|---|---|---|---|
| Germany | DIN 1709 : 1981 | CuZn25Al5 | 2.0598 | G-SoMs F 75 | |
| Australia | AS 1565 : 1996 | C86300 | C86300 | High tensile brass [ 869D ] | |
| China | GOST 17711 : 1980 / 93 | LC23A6Z3Mc2 | |||
| China | GB 1176 : 1987 | CuZn25Al6Fe3Mn3 | 25 – 6 – 3 – 3 Alu Bronze | ||
| Spain | UNE 37-103-2 : 1981 | CuZn25Al6Fe3Mn3 | C-2625 | ||
| Spain | UNE 37-103-2 : 1981 | CuZn26Al4Fe3Mn3 | C-2620 | ||
| Hungary | MSZ 8579 : 1984 | CuZn25Al6Fe3Mn2 | KsröAl6 | ||
| ISO | JIS H 5102 : 1988 | HBsC 4 | Class 4 | ||
| ISO | ISO 1338 : 1977 | CuZn25Al6Fe3Mn3 | |||
| Poland | PN / H-87026 : 1991 | CuZn26Al6Mn3Fe2Ni1,5 | [ MA62 ] | ||
| USA | ASTM B 584 : 1998a et alia | C86100 | C86100 | ||
| USA | ASTM B 584 : 1998a et alia | C86300 | C86300 | ||
| USA | ASTM B 30 : 2000 | C86300 | C86300 | SAE 430B |
Optional thermal treatments available on clients’ request
| Process | Temperature | Time | Cooling | Time |
|---|---|---|---|---|
| Stabilised | 300°C | 1.5h | En horno |