KOSITROVI BRONI CuSn7ZnPb (Rg7), CuSn12 (SnBz12), CuSn12Pb, CuSn12Ni

Kositrovi broni CuSn7ZnPb (Rg7), CuSn12 (SnBz12), CuSn12Pb, CuSn12Ni so zlitine z najširšo paleto uporabe: drsni ležaji, vodila, letve, polževa kolesa. Kositrovi broni imajo odlične drsne in dobre mehanske lastnosti, odporni so proti morski vodi in obrabi.

CuSn7ZnPb

(Rg7)

CuSn12

(SnBz12)

CuSn12Pb

CuSn12Ni

KOSITROVI BRONI

DIN 1705 bzw. DIN EN 1982
Vrste zlitinW.Nr.GostotaKemična sestava v %Mehanske lastnosti
CuSn7ZnPb (Rg7)
DIN 1705
2.1090 8,8Cu 81,0 - 85,0
Sn 6,0 - 8,0
Zn 3,0 - 5,0
Pb 5,0 - 7,0
GC:
Rm ≥ 270
Rp 0,2 ≥ 120
A5 ≥ 16
HB ≥ 70
CuSn12 (SnBz12)
DIN 1705
2.10528,8Cu 84,0 - 88,5
Sn 11,0 - 13,0
Cu 57,0 - 59,0
Mn 1,0 - 2,5
Zn ostalo
GC:
Rm ≥ 280
Rp 0,2 ≥ 140
A5 ≥ 8
HB ≥ 90
CuSn12Pb
DIN 1705
2.1061 8,9Cu 84,0 - 87,0
Sn 11,0 - 13,0
Pb 1,0 - 2,0
GC:
Rm ≥ 280
Rp 0,2 ≥ 140
A5 ≥ 7
HB ≥ 85
CuSn12Ni
DIN 1705
2.10608,6Cu 84,0 - 87,0
Sn 11,0 - 13,0
Ni 1,5 - 2,5
GC:
Rm ≥ 300
Rp 0,2 ≥ 170
A5 ≥ 10
HB ≥ 90