Alloys Poured

Stainless steel, brass, bronze, cobalt, nickel and aluminum alloys.

Franklin Bronze Precision Components manufactures stainless steel, brass, bronze, cobalt, nickel and aluminum investment castings.

FBPC pours an extensive list of specialty alloys to meet a variety of specifications and requirements. Franklin Bronze is compliant with industry standards including ASTM, AISI, MIL, CDA, IC and AA.

Our in-house metallurgical engineer can propose alternative metals and treatments that minimize cost without compromising the function or performance of the component.

Get in touch to discuss what’s right for your project. 
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Alloys Poured

Nickel Based Alloys for the Glass Industry
   B% Si% Fe% Cr% C% Ni% Hardness
FB-30 1.5 – 2.2% 2.5 – 3.3% 0.75% Max 0.5% Max 0.20% Max Balance 26 – 32Rc
FB-40 1.8 – 2.5% 2.7 – 3.5% 0.75% Max 0.5% Max 0.20% Max Balance 36 – 40Rc
Alloy Casting Alloy Type Nearest AISI Type ASTM Ni% Cr%  C MAX Mn MAX Si MAX Mo MAX Other
CA-15 12 CR 410 A-296 1 11.5-14 0.15 1 1.5 0.5  
CA-40 12 CR 420   1 11.5-14 .20-.40 1 1.5 0.5  
CB-30 20 CR 431 A-296 2 18-22 0.3 1 1.5    
CC-50 28 CR 446 A-296 4 26-30 0.5 1 1.5    
CD-4MCu 26 CR-5 NI     4.75-6.00 25-27 0.04 1 1.5 1.75-2.25 Cu 2.75-3.25
CE-30 29 CR-9 NI   A-296 8-11 26-30 0.3 1.5 2    
CF-3 19 CR-10 NI 304L A-296 8-12 17-21 0.03 1.5 2    
CF-8 19 CR-9 NI 304 A-296 8-11 18-21 0.08 1.5 2    
CF-20 19 CR-9 NI 302 A-296 8-11 18-21 0.2 1.5 2    
CF-3M 19 CR-10 NI 316L A-296 9-13 17-21 0.03 1.5 1.5 2.0-3.0  
CF-8M 19 CR-10 NI 316 A-296 9-12 18-21 0.08 1.5 1.5 2.0-3.0  
CF-12M 19 CR-10 NI 316   9-12 18-21 0.12 1.5 2 2.0-3.0  
CF-8C 19 CR-10 NI 317 A-296 9-12 18-21 0.08 1.5 2    
CF-16F 19 CR-10 NI 303 A-296 9-12 18-21 0.16 1.5 2 1.5  
CG-8M 19 CR-10 NI 317 A-296 9-13 18-21 0.08 1.5 1.5 3.0-4.0  
CH-20 25 CR-12 NI 309 A-296 12-15 22-26 0.2 1.5 2    
CK-20 25 CR-20 NI 310 A-296 19-22 23-27 0.2 1.5 2    
CN-7M 20 CR-29 NI   A-296 27-31 19-22 0.07 1.5 1.5 2.0-3.0 Cu 3.00 MIN.
HA 8-10 CR      – 8-10 0.2 .35-.65 1 .90-1.20  
HC 28 CR 446 A-297 4 MAX. 26-30 0.5 1 2 0.5  
HD 28 CR-6 NI 327   4-7 26-30 0.5 1.5 2 0.5  
HE 28 CR-9 NI 312 A-297 8-11 26-30 .20-.50 2 2 0.5  
HF 19 CR-9 NI 302B A-297 9-12 19-23 .20-.40 2 2 0.5  
HH 25 CR-12 NI 309 A-297 11-14 24-28 .20-.50 2 2 0.5  
HI 28 CR-15 NI   A-297 14-18 26-30 .20-.50 2 2 0.5  
HK 28 CR- 20 NI 310 A-297 18-22 24-28 .20-.60 2 2 0.5  
HL 30 CR- 20 NI   A-297 18-22 28-32 .20-.60 2 2 0.5  
HN 25 NI -20 CR 311 A-297 23-27 19-23 .20-.50 2 2 0.5  
HT 35 NI-15 CR 330 A-297 33-37 15-19 .35-.75 2 2.5 0.5  
HU 39 NI-19 CR 330 A-297 37-41 17-21 .35-.75 2 2.5 0.5  
HW 60 NI-12 CR   A-297 58-62 10-14 .35-.75 2 2.5 0.5  
HX 66 NI-17 CR   A-297 64-68 15-19 .35-.75 2 2.5 0.5  
CB-7Cu 17-4PH   A-747 3.6-4.6 15.5-17.7 0.07 0.7 1   Cu 2.5-3.2 Cb .2-.35

Bronze Based Alloys for the Glass Industry

 

Si%

Fe%

Ni%

Al%

Zn%

Pb%

Mn%

Sn%

P%

S%

Cu%

 XX-Bronze 0.00% + 0.15% 0.90% +/- 0.10%  15.00% +/- 1.00%  9.50% +/- 1.00%  8.50% +/- 1.00% Less than .08%   0.10% +/- 0.05%  0.00% + 0.15% 0.00% + 0.15% 0.00% + 0.02% Balance
XX-Bronze w/1% Silicon 1.00% + 0.10% 0.90% +/- 0.10%  15.00% +/- 1.00% 9.50% +/- 1.00%   8.50% +/- 1.00%  0.00% + 0.15%  0.10% +/- 0.05%  0.00% + 0.15% 0.00% + 0.15% 0.00% + 0.02% Balance
      Chemical Composition %
Family ASTM AMS C%  W%  Si%  Ni%  Fe%  Mo%   Cr% Co%  OTHERS% 
Cobalt 6   5387 1.2 5 1.2 1 1 30 59 1.5
Cobalt 12     1.5 8.5 1 1 1 29.5 56 1.5
Cobalt 21 A732 Gr. 21 5385 0.25 0.75 2.75 1.5 5.5 27 62.25

 

        Chemical Composition %
Family CDA ASTM AMS Cu%  Sn%  Pb%   Zn% Ni%   Fe% AI%  OTHERS% 
MANGANESE BRONZE 862 B147-862   64     Rem.26   3 4 Mn 3
  863 B147-863 4862B 63     Rem.25   3 6 Mn 3
  865 B147-865 4860A 58 0.5   39.5   1 1 Mn .25
TIN BRONZE 903 B143-903   88 8   4        
  905 B143-905 4845D 88 10 .3 Max. 2        
  907     89 11 .5 Max. .5 Max.        
  922 B143-922   88 6 1.5 4.5        
ALUMINUM BRONZE 952 B148-952   88         3 9  
  953 B148-953   89         1 10  
  954 B148-954 4870B 4872B 85         4 11  
  955 B148-955   81       4 4 11  
  958     81       5 4 9 Mn 1
SILICON BRONZE 876 B30   89     5.5       Si 4.5
  878 B30   80 0.25 0.15 16 Max. 0.2 0.15 0.15 Si 3.8-4.2
  87850 B30-14a   75.0-78.0 0.3 0.09 Rem. 0.2 0.10    Si 2.7-3.4
COPPER NICKEL 962 B369   88.6       10 1.4   Nb .8
  964 B505   68.2       30 0.9   Nb 1.0

 

        Chemical Composition %
Family AA ASTM AMS AI% Si% Cu% Mg% Ti% Fe% Mn% Zn%
Aluminum A-356.0  B618  4218  93 6.5-7.5  Max 0.2  0.25-0.45  Max 0.2  Max 0.2  Max 0.1  Max 0.1 

 

Available in all heat treated grades of this alloy


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