PA 7000 Silver (防氧化银补口)
This pre-alloy is usable for Sterling Silver, Ag 935. 此补口适用于银935。
Data for finishing alloy 合金数据分析:
Colour 颜色: white 白色
Density
(g/cm3)
密度
Melting Range
(°C)
熔铸温度
Hardness
(HV5)
硬度
Chemical Composition (per 1000 g.)
化学成分 (每千克)
Au
Ag
Cu
Zn
Ag 935
10.3
820-910
62
-
935
x
Annealing Conditions冷却条件:
Furnace
熔炉
Continuous furnace
or batch furnace
Temperature温度
600°C
Annealing time冷却时间
10 - 15 min.
Holding time
Quenching Media
Atmosphere
气体
H2/N2-mixture,
4 … 80 %H2
Hardness modification by cold working:
Casting Conditions倒模条件:
Pouring Temperature:
倒模温度
970-1050 °C
Flask’s Temperature:
石膏盅温度
500-600 °C
This data sheet was created on base of alloy 7000. For further information, please contact
For further information, please contact
Umicore 代理：北京银都贵金属有限公司.
北京市海淀区阜成路67号银都大厦802室
Tel ：010-68431886 Fax ： 010-68431883
