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These superior quality products are backed by 42 years of fabrication
& distribution experience.
Preforms are fabricated in the only ISO/TS 16949 certified
facility in the industry.
Many of the alloys are available in vacuum grade.
Choose from preforms, wire, strip, powder and paste formulations.
Bellman-Melcor
Inc.
P.O. Box 188
7575 West 183rd Street
Tinley Park, Illinois 60477
Phone: 1-800-367-6024
Fax: 1-888-(brazeit) 272-9348
E-mail: sales@bellmanmelcor.com
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Bellman-Melcor
offers a wide variety of high-purity gold alloys for your unique
braze and solder applications. The following is a partial list
of alloys available in preforms, powder, paste and bulk packaging:
| BM
536 |
| Composition: |
Gold
= 80% |
| |
Tin
= 20% |
| Melt
Point = |
536°F
/ 280°C |
| Flow
Point = |
536°F
/ 280°C |
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Applications: |
Solder
assemblies. Low ductility and vapor pressure. |
| BM
909 |
| Composition: |
Gold
= 81% |
| |
Indium
= 19% |
| Melt
Point = |
909°F
/ 487°C |
| Flow
Point = |
909°F
/ 487°C |
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Applications:
|
High
temperature solder. Good wetting on most metals. |
| BM
1670 BAu-2 |
| Composition: |
Gold
= 80% |
| |
Copper
= 20% |
| Melt
Point = |
1666°F
/ 908°C |
| Flow
Point = |
1670°F
/ 910°C |
|
Applications:
|
For
ceramic to metal assemblies. Good step-braze alloy. Lowest
melt Au/Cu alloy. |
| BM
1740 BAu-4 / AMS 4787 |
| Composition: |
Gold
= 82% |
| |
Nickel
= 18% |
| Melt
Point = |
1740°F
/ 949°C |
| Flow
Point = |
1740°F
/ 949°C |
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Applications:
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For
stainless steel, Inconnel, Kovar, and tungsten |
| BM
1850 |
| Composition: |
Gold
= 35% |
| |
Copper
= 65% |
| Melt
Point = |
1814
/ 990°C |
| Flow
Point = |
1850
/ 1010°C |
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Applications:
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For
copper, nickel, Kovar and Mo-Mn metallized ceramics. |
| BM
1860 BAu-1 |
| Composition: |
Gold
= 37.5% |
| |
Copper
= 62.5% |
| Melt
Point = |
1815°F
/ 991°C |
| Flow
Point = |
1860°F
/ 1016°C |
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Applications:
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For
copper, nickel, Kovar, and Mo-Mn metallized ceramics. |
| BM
1886 BAu-3 |
| Composition: |
Gold
= 35% |
| |
Copper
= 62% |
| |
Nickel
= 3% |
| Melt
Point = |
1832°F
/ 1000°C |
| Flow
Point = |
1886°F
/ 1030°C |
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Applications:
|
Similar to BM 1010. The addition of nickel allows for use
with stainless steel materials. |
| BM
1915 BAu-6 / AMS 4786 |
| Composition: |
Gold
= 70% |
| |
Palladium
= 8% |
| |
Nickel
= 22% |
| Melt
Point = |
1845°F
/ 1007°C |
| Flow
Point = |
Flow
= 1915°F / 1046°C |
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Applications:
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For
stainless and superalloys.Very high ductility and strength. |
| BM
2050 AMS 4784 |
| Composition: |
Gold
= 50% |
| |
Palladium
= 25% |
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Nickel
= 25% |
| Melt
Point = |
2016°F
/ 1102°C |
| Flow
Point = |
2050°F
/ 1121°C |
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Applications:
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Offers good oxidation resistance. For stainless and superalloys.
High ductility and strength.
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