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Cobalt Based

Common Alloy Name Industry Specifications Nominal Composition (Percent %)
Stellite 6 AMS5788, MSRR9500/19, AWS A5.21 RCoCr-A, MIL-R-17131 62 Co, 29 Cr, 4.5 W, 1.2 C
Stellite 12 AWS A5.21 RCoCr-B, MSRR9500/228, MIL-R-17131 59 Co, 29 Cr, 8 W, 2.5 Fe, 1.5 C
Stellite 12HC MSRR9500/15 58 Co, 29 Cr, 9 W, 2.5 Fe, 1.9 C
Stellite 21 AWS A5.21 RCoCr-E, MIL-R-17131 67 Co, 28 Cr, 5 Mo, 0.2 C
Stellite 31 AMS5789, MSRR9500/25 54 Co, 25.5 Cr, 10.5 Ni, 7.5 W
L-605 (Haynes 25) AMS5796, MSRR9500/23 52 Co, 20 Cr, 10 Ni, 15 W
Haynes 188 AMS5801 39 Co, 22 Cr, 22 Ni, 14.5 W, 0.07 La
Mar M 509 PWA1185, B50TF89 55 Co, 23.5 Cr, 10 Ni, 7 W, 3.5 Ta, 0.6 C, 0.4 Zr, 0.2 Ti
Mar M 918 AMS5814, B50A824 52 Co, 20 Cr, 20 Ni, 7.5 Ta
Coast Alloy 64 PWA694, MSRR9500/226, B50TF55, B50A842, MTU MTS1087-1, Snecma DMR 34.070
45 Co, 28 Cr, 19.5 W + Mo, 5 Ni, 1 V, 0.85 C, 0.05 B
Merl 72 PWA795, MSRR9500/248 47 Co, 20 Cr, 15 Ni, 9 W, 4.4 Al, 3 Ta, 1.1 Hf, 0.35 C, 0.2 Ti, 0.04 Y
FSX414 B50A823 52 Co, 29.5 Cr, 11 Ni, 7 W, 0.25 C
T-800 B50TF193, DMR 34.071 50 Co, 29 Mo, 17.5 Cr, 3.5 Si, 0.04 C
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