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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.

The 40 series BeNiCr Casting Alloys have historically been utilized for high definition precision cast jewelry and commemorative rings, as well as, dental component applications.

Chemical Composition:  Beryllium-Nickel Casting Alloys

Alloy Design  Chemicals Requirements (% weight)
 Be Cr C Ni
FA230  2.30 – 2.40  —  .30 max Balance 
41C   2.50 – 2.85  0.45 – 0.80 1.00 – 2.00   Balance
42C   2.50 – 2.85 10.50 – 13.50   —  Balance
43C   2.50 – 2.85  5.00 – 7.00  —  Balance
44C   1.90 – 2.20  0.45 – 0.80  —  Balance
46C   1.90 – 2.20 10.50 – 13.50   —  Balance

Physical Data:  Beryllium-Nickel Casting Alloys

Alloy Design  Density (lbs/in3) Typical Melting Range Typical Pouring Range (F.) Hardness Rockwell (annealed)  Hardness Rockwell (annealed & aged) CTE*
FA230 0.298 2,200-2,400° F
1,200-1,315° C
 2,500-2,700° F
1,370-1,480° C
HRb 95-100 HRc 46-52
41C  0.298 2,100-2,300° F
1,150-1,260° C
2,300-2,500° F
1,260 -1,370° C
HRb 95-100 HRc 46-52
42C  0.296 2,100-2,300° F
1,150-1,260° C
2,300-2,500° F
1,260-1,370° C
HRb 96-105 HRc 36-42  8
43C  0.297 2,100-2,300° F
1,150-1,260° C
2,300-2,500° F
1,260-1,370° C
HRb 96-100 HRc 42-48
44C  0.298 2,100-2,300° F
1,150-1,260° C
2,300-2,500° F
1,260-1,370°
HRb 95-100 HRc 44-50
46C  0.296 2,100-2,300° F
1,150-1,260° C
2,300-2,500° F
1,260-1,370°
HRb 96-100  HRc 36-42

*10-6 in./in./deg.F.

 

 

Beryllium 2.20-2.40 Density lbs. Carbon .30 max Melting Temp Pouring Temp Nickel = Impurities CTE*
0.295  2,200 – 2,400° F /
1,200 – 1,315° C
2,500 – 2,700° F /
1,370 – 1,480° C
Balance 78
 
Solution Annealing Degrees Heat Treatment Degrees
1900 – 2000 / 1040-1100C water quench 3 Hrs. @950F / 510C

 

UTS (ksi) Min YS (ksi) min Elong (min) HRC (min)
165 150 1 48

 

Latest News


IBC and NioCorp successfully complete the initial casting campaign for Aluminum-Scandium alloys. This testing is the basis for commercializing Aluminum-Scandium alloys. See more details here.
 

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