CC491K是欧标锡铅青铜材质。
DIN EN
Alloy CuSn5ZnPb CuSn5Zn5Pb5-C
RG5
Standard DIN 1705 EN 1982
Alloy number 2.1096 CC491K
Chemical composition Mechanical properties
Cu 84,0 - 86,0 83,0 - 87,0 DIN EN
Sn 4,0 - 6,0 4,0 - 6,0 Rm ≥ 220 ≥ 250
Zn 4,0 - 6,0 4,0 - 6,0 Rp 0,2 ≥ 90 ≥ 110
Pb 4,0 - 6,0 4,0 - 6,0 A5≥ 16 ≥ 13
Ni 2,0 max. HB ≥ 60 ≥ 65
P 0,10 max.
kg/dm3 8,7
Condition GS GC, GZ
Characteristics Construcion material. Mainly used in water and steam armature up to 255°C. Nowadays mostly replaced by RG7.