Prince & Izant Company is a manufacturer and global supplier of brazing alloys and precious metals for the aerospace industry. We specialize in providing all brazing consumables, including Pre-Sintered Preforms (PSPs) and brazing alloys to AMS standards (gold-based, silver-based, nickel-based, and cobalt-based filler metals). Our engineering team partners with customers, providing braze support and recommendations for cost reductions and optimized throughput.
From high-temperature alloys used in turbine engines to electrically conductive materials used in avionics to platinum pins in turbine castings, our inventory is reliable and extensive. We are flexible in providing inventory and stocking options for all manufactured products ensuring fast lead times and offer long-term fixed or floating pricing for precious and non-precious metals.
Our products are manufactured at our AS9100 facilities in the USA and we are certified to and approved under ISO 9001:AS9100, Pratt & Whitney LCS Approved Supplier, GE S-1000, GE S-1005, GE Yellow Pages Supplier Code 70401, MSRR, PWA, PWC, and are DDTC ITAR Registered and DFAR Compliant.
Aerospace Brazing Alloys
Product | AWS | AMS | Composition | Solidus | Liquidus |
---|---|---|---|---|---|
Silver Braze 25 | - | - | AG 25% CU 52.5% ZN 22.5% | 1250 F | 1575 F |
Silver Alloy 45 | BAg-1 | 4769 | AG 45% CD 24% CU 15% ZN 16% | 1125 F | 1145 F |
Silver Braze 50Ni2 | BAg-24 | 4788 | AG 50% CU 20% NI 2% ZN 28% | 1220 F | 1305 F |
Silver Braze 54 | BAg-13 | 4772 | AG 54% CU 40% NI 1% ZN 5% | 1325 F | 1575 F |
Silver Braze 56 | BAg-7 | 4763 | AG 56% CU 22% SN 5% ZN 17% | 1145 F | 1205 F |
Silver Braze 72 | BAg-8 | - | AG 72% CU 28% | 1435 F | 1435 F |
Gold Braze 35623 | BAu-3 | - | AU 35% CU 62% NI 3% | 1814 F | 1850 F |
Gold Braze 3565 | BVAu-9 | - | AU 35% CU 65% | 1814 F | 1850 F |
Gold Braze 5025 | BVAu-7 | 4784 | AU 50% NI 25% PD 25% | 2015 F | 2050 F |
Gold Braze 7008 | BAu-6 | 4786 | AU 70% NI 22% PD 8% | 1845 F | 1915 F |
Gold Braze 8218 | BAu-4 | 4787 | AU 82% NI 18% | 1740 F | 1740 F |
GE B50TF204 | BNi-2 | 4777 | B 3% CR 7% FE 3% NI 82.9% SI 4.1% | 1780 F | 1830 F |
AMS 4777 | BNi-2 | 4777 | B 3.125% CR 7% FE 3% NI 82.375% SI 4.5% | 1780 F | 1830 F |
AMS 4778 | BNi-3 | 4778 | B 3% NI 92% SI 4.5% | 1800 F | 1900 F |
AMS 4779 | BNi-4 | 4779 | B 1.9% NI 94.6% SI 3.5% | 1800 F | 1950 F |
PAL 25 | BVAg-32 Grade 1 | - | AG 54% CU 21% PD 25% | 1650 F | 1740 F |
Pt30/Cu70 | - | - | CU 70% PT 30% | - | - |
Industry Related Products
Brazing Rings
We provide custom brazing rings tailored to your exact specifications. Our expert team of engineers and technicians work with you to design and manufacture products suited to your unique requirements.
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Brazing Paste
P&I paste is mixed with our in-house vacuum grade binders offering clean burning and extended shelf-life. Paste offers flexibility to apply small amounts to specific areas without designing and producing custom preforms.
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Pre Sintered Preforms
We offer our PSPs in both standard and custom alloy blends, provide the industry's largest plate and preform sizes while meeting customer specifications for product densities ranging from 95-99+%.
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Laser Cut Parts
Our proprietary cutting method provides near perfect edge quality with no contamination.
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Casting Pins (Pinning Wire)
P&I produces platinum pins of any diameter and length to be used in the casting process to hold the ceramic core in place.
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Bulk Brazing Alloys
We stock pre-packaged bulk items in various alloys in wire, rod, and strip form, allowing us to ship quickly.
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Need Engineering Support?
We provide industry-best support and solutions to our customers through braze applications support, PGM applications support, process optimization (COPQ reduction), and other efforts to support innovation and cost reduction. Our engineers' diverse specialties include metallurgical, mechanical, chemical, materials, and automation engineering to provide hands-on solutions to our customers.