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DELTA-TRADING GmbH Metallhandel

Alloy EN CC493K 2.1090 Cast bronze

M.-nr. / EN DIN AISI UNS BS AFNOR GOST
CC493K (2.1090) CuSn7Zn4Pb7-C / RG7 C93200
Products
Hollow steel
Profiles
Pipes
Round blanks / rings
Forgings
Bars
Cuts (waterjet, plasma, shear, laser-cut or sawn)
Density: 8,8
Composition
Cu
min. 81,0 % / max. 85,0 %
Ni
≤ 2,0 %
P
≤ 0,1 %
Pb
min. 5,0 % / max. 8,0 %
Sn
min. 6,0 % / max. 8,0 %
Al
≤ 0,01 %
Fe
≤ 0,2 %
S
≤ 0,10 %
Sb
≤ 0,30 %
Si
≤ 0,01 %
Zn
min. 2,0 % / max. 5,0 %
Scopes
general engineering
toolmaking
small end bushes
setting increment, coupling pieces
propeller shat sleeves
and others
Features
seawater resistant
good machinability
good machinability
medium hard, high wear resistance
good emergency operating properties
good corrosion resistance
poor weldability
suitable for soft and hard soldering
suitable for polishing, galvanizing and dip soldering