COBALT

Alloy AWS A5.21 C Mn Si Cr ni Mo W fe Co other hrc recommended use
1 erCoCr-C 2.2 <1.0 1 28 <3.0 <1.0 12.5 <3.0 rem 52 saw blades, cutter, bearings, seaming rolls
6 erCoCr-A 1.2 <1.0 1.3 29 <3.0 <1.0 4.5 <3.0 rem 42 engine valves, high temperature – high pressure valves
6h MIl-rCoCr-A-3 1.3 <0.05 1.3 30 <1.5 <1.0 5.5 <1.25 rem 45 same as 6
12 erCoCr-b 1.5 <1.0 1.3 30 <3.0 <1.0 8.5 <3.0 rem 47 saw tips and blades, engine valves and seats
12h 1.8 <1.0 1.3 30 <3.0 <1.0 8.5 <3.0 rem 49 same as 12
20 2.5 <1.0 1 30 <3.0 <1.0 17 <3.0 rem 56 marine engine valves, petrochemical control valves
21 erCoCr-e 0.2 <1.0 <1.0 28 2.8 5.5 <0.15 <1.5 rem 28 hot trimming dies, hot shears, pulp mill screws
25 l605 0.1 1.5 1 20 10 <1.0 15 <3.0 rem Wh gas turbine rotors, nozzle diaphragm valves
31 0.5 <1.0 <1.0 26 11 <1.0 7.5 <3.0 rem 32 gas turbine engines hot gas erosion
32 erCoCr-f 1.8 <1.0 <1.0 26 22 <1.0 12 <3.0 rem 40 combustion engine valves and seats
190 erCoCr-g 3.4 <1.0 <1.0 25 <3.0 <1.0 14 <3.0 rem 58 severe abrasive environments, journals of tri-cone drill bits
694 0.85 <1.0 <1.0 28 5.5 <0.5 19.5 <3.0 rem b<0.10 51 gas turbine parts
T-400 <0.08 <1.0 2.8 8 <1.5 28 <1.5 rem 53 resistance to galling and corrosion where lubrication is a problem, bearings
T-800 <0.08 <1.0 3.6 17.5 <1.5 29 <1.5 rem 57 higher oxidation rate than T-400, valve trim, mechanical seals, thrust rings
T-900 <0.08 <1.0 2.7 18 16 23 <1.5 rem 46 better crack resistance than T-400 and T-800
f-75 Dental 0.4 1 1 29 <1.0 6 <1.0 rem n<0.20 37 partial dentures, bridgrwork

NICKEL

ni-20 0.15 3.5 4 rem 3.5 b 0.8 20 glass manufacturing applications
ni-30 erniCr-A 0.3 3.5 6.5 rem 3 b 1.6 30 glass bottle small plungers and neck rings
ni-40 0.4 2.8 9 rem 2.5 b 2.1 40 repair and build up of worn moulds and other parts in glass bottle manufacturing
ni-50 erniCr-b 0.45 3.5 11 rem 3.5 b 2.2 45 for high demand of wear and corrosion resistance applications
ni-56 0.5 3.5 12 rem 3.5 b 2.5 50 same as above
ni-60 erniCr-C 0.6 4 13 rem 4 b 3.0 55 same as above
ni-600 0.7 <1.0 4 17 rem 16 25 engine valves
T-700 <0.08 3.7 16 rem 32 50 cobalt free, nuclear applications
C AMS 5388 <0.1 <1.0 <1.0 16 rem 17 4.5 5.8 v 0.3 16 drop forging dies
nibe Dental 15 rem 8 AI 2, Ti .3, be 1.8 37 ceramic, denture alloy
niCrMo Dental <0.08 2 35 rem 11 1 13 ceramic, denture alloy
IRON eA 6 2 <1.0 1.5 29 16.5 4.5 rem 37 engine valves