Copper, Tin and Nickle Master Alloys
Nickel Phosphorus Master Alloy.
Calcium Aluminium Master Alloy.
Calcium Magnesium Master Alloy.
Aluminium Chromium Master Alloy.
Alloy | RWMA CLASS | ASTM UNS NO. | COMPOSITION % | HARDNESS (Rockwell) | ELECTRICAL CONDUCTIVITY % IACS |
ZrCu | Class-2 | C-15000 | Zr : 0.1 to 0.3 Cu : Balance |
Forgings : > 40 RF Rods & Bars : > 60 RB |
85 -9 5 |
CrZrCu | Class-2 | C-18150 | Cr : 0.5 to 1.2 Zr : 0.03 to 0.3 Cu : Balance |
Rods > Dia 40 and Forgings :65 - 80 RB Rods < dia 40: 75 -90 RB |
75 - 85 |
CoNiBeCu | Class-3 | B.S.2874 CW103C |
Be : 0.4 to 0.7 Co : 0.8 to 1.3 Ni : 0.8 to 1.3 Cu : Balance |
Rods > Dia 40 and Forgings : 92-100 RB Rods < Dia 40: 95 -102RB |
45 - 55 |
NiSiCrCu | Class-3 | C-18000 C-64700 |
Ni : 1.6 to 2.6 Si : 0.5 to 0.8 Cr : 0.1 to 0.8 Cu : Balance |
Rods > Dia 40 and Forgings : 90-100RB Rods < Dia 40: 92-102RB |
40 - 55 |
BeCu | Class-4 | C-17200 | Be : 1.8 to 2.0 Co : 0.2 to 0.6 Cu : Balance |
36 - 41 RC | 22 - 28 |
0.5% Te-Cu | C-14500 | Te : 0.4 to 0.6 P : 0.004 to 0.012 Cu : Balance |
32 - 42 RB | 85 - 95 |