Beryllium Nickel Casting Alloys
Beryllium nickel
casting alloys are characterized by their steel-like high strength,
toughness, and hardness properties. However, unlike the steel alloys,
the beryllium nickel alloy system offers these properties with the
additional benefit of superior thermal conductivity. Beryllium nickel
casting alloys are notable for their high resistance to wear, thermal
shock, and corrosion even at elevated temperatures in the range of
1000o F.
IBC Advanced Alloys
produces a very clean high purity-high strength BeNi beryllium nickel
casting alloy. This material is specially produced utilizing pure
metallic vacuum cast beryllium and ultra pure nickel to enhance metal
fluidity and cast-ability. Our FA
230 High Strength BeNi Casting Alloy is particularly
effective for high reliability-high durability investment cast or
ceramic shell cast (Shaw process) mold tooling components that require consistent excellent
replication of highly refined and intricate casting details.
Chemical Composition: Beryllium Nickel Casting Alloys
|
Alloy |
Chemical Requirements (% weight ) |
|||
|
FA230 |
2.30-2.40 |
- |
.30 max |
bal. |
|
41C |
2.50-2.85 |
.45-.80 |
1.00-2.00 |
bal. |
|
42C |
2.50-2.85 |
10.50-13.50 |
- |
Bal. |
|
43C |
2.50-2.85 |
5.00-7.00 |
- |
Bal. |
|
44C |
1.90-2.20 |
.45-.80 |
- |
Bal. |
|
46C |
1.90-2.20 |
10.50-13.50 |
- |
Bal. |
Physical Data: Beryllium Nickel Casting Alloys
|
Alloy |
Density lbs/in3 |
Typical Melting Range |
Typical Pouring range F. | Hardness Rockwell (annealed) | Hardness Rockwell (annealed & aged) | CTE * |
|
FA230 |
0.298 |
2200-2400 F | 2500-2700 F | HRb 95-100 |
HRc 46-52 |
8 |
| 1200-1315 C | 1370-1480 C | |||||
|
41C |
0.298 |
2100-2300 F |
2300-2500 F | HRb 95-100 | HRc 46-52 | 8 |
| 1150-1260 C | 1260-1370 C | |||||
|
42C |
0.296 |
2100-2300 F |
2300-2500 F | HRb 96-105 | HRc 36-42 | 8 |
| 1150-1260 C | 1260-1370 C | |||||
|
43C |
0.297 |
2100-2300 F |
2300-2500 F | HRb 96-105 | HRc 42-48 | 8 |
| 1150-1260 C | 1260-1370 C | |||||
|
44C |
0.298 |
2100-2300 F |
2300-2500 F | HRb 95-100 | HRc 44-50 | 8 |
| 1150-1260 C | 1260-1370 C | |||||
|
46C |
0.296 |
2100-2300 F |
2300-2500 F | HRb 96-105 | HRc 36-42 | 8 |
| 1150-1260 C | 1260-1370 C |
FA 230 Nominal Chemical Composition and Properties
|
FA 230 Nominal Chemical Composition |
|||
| Beryllium | Carbon | Nickel = impurities | |
| 2.20 - 2.40 | .30 max | Balance | |
|
Density |
Melting |
Pouring |
CTE |
|
0.295 |
2200-2400F / 1200-1315C |
2500-2700 / 1370-1480C |
8 |
|
Solution Annealing Degrees |
Heat Treatment Degrees |
||
|
1900
- 2000 / 1040-1100C |
3 Hrs. @950F / 510C |
||
|
Typical Properties after Solution Anneal and Peak Age Heat Treatment |
|||
|
UTS (ksi) Min |
YS (ksi) min |
Elong (min) |
HRC (min) |
|
165 |
150 |
1 |
48 |
