Material: centrifuged perlite grey foundry (GG-25) DIN 70909
Metallographic structure
Grey cast iron with no improving
Uniform steadita
Fine perlite
Ferrite not over 5 %
Graphite 1-A-B/5-6
Chemical composition (rough values) | Mechanical specifications | ||||
---|---|---|---|---|---|
Bending resistance (N/mm2) | Elastic module (N/mm2) | HRB hardness | Brinell Hardness (HB) | ||
Ct | 3,20/3,40 % | 350 | 85.000/115.000 | 98/106 | 230/270 |
Si | 1,80/2,00 % | ||||
Mn | 0,60/0,90 % | ||||
P | 0,40/0,60 % | ||||
S | máx. 0,06 % | ||||
Cr | 0,30/0,50 % | ||||
Cu | máx. 0,15 % | ||||
V | 0,05/0,10 % |
Material: Centrifuged Bronze EN 1982 GZ-CuSn10
Chemical composition (rough values) | Mechanical specifications | ||||
---|---|---|---|---|---|
Rm (N/mm2) | 0,2% L/E Rp0,2 (N/mm2) | A (%) | Brinell Hardness (HB) | ||
*Nickel included | |||||
Cu* | 78,0/82,0 % | 220 | 110 | 6 | 70 |
Ni | - /2,0 % | ||||
P | - /0,10 % | ||||
Pb | 8,0/11,0 % | ||||
Sn | 9,0/11,0 % | ||||
Zn | - /2,0 % | ||||
Al | - /0,01 % | ||||
Fe | - /0,25 % | ||||
Mn | - /0,2 % | ||||
S | - /0,10 % | ||||
Sb | - /0,5 % | ||||
Si | - /0,01 % |
Coating
Zinc phosphating
Hard chrome