AB-260 (CW308G)

Alumimiumbonze – Extra hard.

AB-260 can simply be described as a harder version of our regular extruded aluminiumbronze cc333. This material is especially suited for different machine parts exposed to heavy loads and high pressure.

Areas of use
Details for plastic tools, bearings and slide plates exposed to heavy loads, guide parts for hydraulics, valves and high pressure fittings etc

 

 

 

 

 

Category:

Description

Chemical composition (nom. values)
– Cu Rest
– Al 10,5-12,5 %
– Ni 5,0-7,5 %
– Fe 4,8-7,3 %

Max. impurities
– Mn 0,6%
– Other. 0,5%

Mechanical properties
Yield strength (Rp N/mm 2 ): 450-680 N/mm2
Tensile strength (Rm N/mm 2) ): 750-830 N/mm2
Elongation in % A 5 : > 8 %
Hardness/Brinell: ≥ 260 HB
Mating material: Min. surface hardness 400 HB Rec. surface roughness < 1 Ra.
Machinability 40 /100 (Index, Brass CW614N 100 /100)

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