Materials

Alloy overview

Redware

Cu Sn5 Zn5 Pb5-C, Cu Sn5 Zn5 Pb2-C
Fittings, pressure-tight goods and all kinds of goods that do not require special properties, medium wear resistance and bearing properties. Good machinability. Low-lead material approved for drinking water fittings in Europe. Pressure-tight material. Good machinability.

Cu Sn7 Zn4 Pb7-C
Pressure-tight machine castings and fittings. Bushings and bearings. Good bearing properties. Good machinability. Surface pressure P max. 6000 N/cm2 for GC and GZ.

Cu Sn9 Pb2 Zn4-C
Corrosion resistant machine castings and fittings, lightly loaded worm wheels. Machinability.

Tin Bronze

Cu Sn10-C
Pumps, turbines and machine castings. For high temperatures. Worm wheels. Durable and tough. Smooth machinability, long machined.

Cu Sn12-C
Wear-resistant machine castings. Bearings and bushings for heavy loads. Toothed and worm gears. Good corrosion properties. Surface pressure P max. 7500 N/cm2 for GC and GZ.

Cu Sn12 Ni2-C
Highly loaded machine castings, gears and worm wheels. High wear resistance. Surface pressure P max. 12000 N/cm2 for GC and GZ.

Lead bronze

Cu Sn10 Pb10-C
Bearings and bushings with good wear resistance. Good corrosion properties. Good machinability. Surface pressure P max. 6000 N/cm2 for GC and GZ.

Cu Sn7 Pb15-C
Bearings and bushings with good wear resistance. Good corrosion properties. Good machinability. Surface pressure P max. 4000 N/cm2 for GC and GZ.

Brass

Cu Zn21 Si3-C
Fittings approved for drinking water worldwide. Hydraulic castings. Good corrosion properties. Good machinability.

Cu Zn40-C
Fittings for tap water. Fittings. Good machinability. Ring corrosion properties. Low wear resistance.

Aluminum bronze

Cu Al10 Fe5 Ni5-C, Cu Al11 Fe6 Ni6-C
Seawater and acid-resistant fittings and pump parts. Ship propellers. Highly stressed machine castings. High strength and wear resistance up to approx. 450 degrees. Hard to machine.

Highly loaded bearings. Very durable. Requires lubrication.

Cu Al10 Ni5 Fe4, R680S, Cu Al10 Ni5 Fe4, R740S
Same alloy as CC333G. Improved properties. Drawn as rod.

Cu Al10 Ni5 Fe4
Same alloy as above. Pressed as rod. Used for hot pressing and other applications.

Cu Al11 Ni6 Fe6, R750S
Same alloy as CC334G. Improved properties. Drawn rod/rail.

Aluminium

AC-Al Si7 Mg
For complex pressure-tight and fatigue-affected goods. Good corrosion resistance and high strength after heat treatment.

AC-Al Si10 Mg(a)
For complex, thin-walled, pressure-tight and fatigue-sensitive materials. Very good corrosion resistance and high strength after heat treatment.

AC-Al Si10 Mg(b)
For pressure-tight machine castings. Very good corrosion resistance and high strength after heat treatment. Good wear resistance.

AC-Al Si9 Mg
For complex, thin-walled, pressure-tight and fatigue-affected materials. Very good corrosion resistance and high strength after heat treatment.

AC-Al Si12
For complex, thin-walled, pressure-tight and fatigue-sensitive materials. Good elongation at break and corrosion resistance. Fairly soft machinability.

AC-Al Si12 Cu Ni Mg
For pistons in internal combustion engines. Gears and pump parts where high strength is required. Very good.

AC-Al Mg5
For castings with very good resistance to seawater and weak alkaline solutions. And for high demands on decorative appearance. Can be decoratively anodized. Can be welded.

AC-Al Si8 Cu3
Wide applicability. For complex and thin-walled goods. Poor corrosion properties.

AC-Al Zn5 Mg
Self-hardening strong alloy. Good corrosion resistance. Not seawater resistant. Can be polished.