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Johnson Matthey HS Platinum Jewelry Alloy

Category Metal , Nonferrous Metal , Precious Metal , Platinum Alloy
Manufacturer Johnson Matthey
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Hard springy, can be cast for catches.
Physical Properties Metric English Comments
Density 19.4 g/cc
0.701 lb/in³
Mechanical Properties Metric English Comments
Hardness, Vickers 220
220
As Cast
300
300
Annealed
Elongation at Break 10 %
10 %
Annealed
Thermal Properties Metric English Comments
Melting Point 1370 - 1520 °C
2500 - 2770 °F
Solidus 1370 °C
2500 °F
Liquidus 1520 °C
2770 °F
Component Elements Properties Metric English Comments
Other, total 5.0 %
5.0 %
Proprietary
Platinum, Pt 95 %
95 %
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