WECOBA® 190
ALUMINIUM BRONZE
WECOBA® 190 is a heterogeneous copper–aluminum multi-material alloy. It exhibits a balanced combination of high wear resistance and good sliding properties together with very good mechanical strength.
STEEL INDUSTRY | GENERAL ENGINEERING | SLIDING ELEMENTS | WEAR PARTS | BEARINGS & BUSHINGS
Key Features
Higher strength and hardness compared with other alloys in this material group
Balanced ratio of toughness and ductility for high load capacity
Very good corrosion resistance suitable for aggressive fluids.
High wear resistance supporting extended service life
Very good sliding properties suitable as a mating material for stainless steel
Proven performance under severe operating conditions including marine environments and heavy-duty machinery
Versatile use across a wide range of mechanical engineering applications
Chemical Composition nominal
Deviations may occur to achieve specific product characteristics.
Al | Fe |
| Cu |
ALUMINIUM | IRON | OTHERS | COPPER |
11 | 3.5 | max. 0.5 | balance |
EN | DIN | UNS | RWMA |
- | - | - | - |
WECOBA® Specification | |||
Typical Application
Components with highest requirements for strength, wear resistance and impact loading
Components exposed to high pressure and or temperature for wear and sliding applications
Universal use for mechanically and corrosively highly loaded components
Typical Components
Bearings and bushings
Gears and worm gears
Sliding elements and wear parts
Guide strips and sliding blocks
Keys and spindle nuts
Pinions, bevel gears, levers and housings
Sealing rings and wipers
Physical and Mechanical Properties nominal
|
| FORGED | EXTRUDED | CONTINOUS CASTED |
Tensile strength Rm | (MPa) | 730 | 710 | 620 |
Yield strength RP0.5 | (MPa) | 301 | 358 | 255 |
Brinell hardness | (10/3000) | 189 | 192 | 170 |
Elongation A5 | (%) | 15 | 13 | 16 |
Elasticity modulus E | (GPa) | 115 | 117 | 110 |
Compression strength Rmc | (MPa) | 990 | 995 | 930 |
Density ρ | (g/cm³) | 7.4 |
|
|
Thermal conductivity λ - 20°C | (W/m.K) | 61 |
|
|
Electrical conductivity - 20°C | (% I.A.C.S.) | 15 |
|
|
Coefficient of thermal expansion α | (10-6/K) | 16 |
|
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The values provided are based on experience gained from production facilities, material manufacturers and our own investigations. They may vary due to production- and batch-related influences and therefore do not constitute a guarantee or a warranted property. For the evaluation of specific applications, we are pleased to provide support upon request. Binding statements or commitments are issued exclusively in written form by our technical team. Rev. 02/2026
