Brazing Filler Metals

We offer a wide range of products suitable for various applications.
Precious metal brazing filler metals are used in a wide range of fields, including communication equipment, electrical/electronic components, and aerospace devices.
Our silver brazing filler metals do not contain cadmium.
Cadmium-free silver brazingfiller metals
Product name | Chemical composition (%) | Reference usage temperature (℃) | Recommended flux | Applicable base metals | ||
---|---|---|---|---|---|---|
Solidus lines | Liquidus lines | Brazing temperature | ||||
IS-430 (BAg-20) |
Ag30%/Cu38%/Zn32% | 675 | 765 | 765 to 870 | #27 | Copper and ferrous alloys |
IS-435F | Ag35%/Cu36%/Zn27%/Sn2% | 655 | 745 | 745 to 845 | #6, #27 | Copper and ferrous alloys |
IS-438 | Ag38%/Cu30%/Zn30%/In2% | 660 | 725 | 725 to 830 | #27 | Copper and ferrous alloys |
IS-439 | Ag39%/Cu30%/Zn29.6%/Sn1.2%/Si0.2% | 660 | 725 | 725 to 825 | #6, #27 | Copper and ferrous alloys |
IS-440F | Ag40%/Cu29%/Zn28%/In3% | 645 | 710 | 710 to 810 | #6, #27 | Copper and ferrous alloys |
IS-440H | Ag40%/Cu30%/Zn29%/Sn1% | 660 | 715 | 715 to 815 | #6, #27 | Copper and ferrous alloys |
IS-440N (BAg-4) |
Ag40%/Cu30%/Zn28%/Ni2% | 670 | 780 | 780 to 900 | #27 | Stainless steel, Nickel-based alloy |
IS-443 | Ag43%/Cu24%/Zn25%/In3%/Ni2%/Mn3% | 665 | 715 | 715 to 815 | #6, #27 | Diamond tools, Cemented carbide |
IS-445 (BAg-5) |
Ag45%/Cu30%/Zn25% | 665 | 745 | 745 to 845 | #27 | Copper and ferrous alloys |
IS-448 | Ag48%/Cu28%/Zn19%/Sn5% | 640 | 690 | 690 to 800 | #6, #27 | Copper and ferrous alloys |
IS-450 (BAg-6) |
Ag50%/Cu34%/Zn16% | 690 | 775 | 775 to 870 | #6, #27 | Copper and ferrous alloys |
IS-450E (BAg-24) |
Ag50%/Cu20%/Zn28%/Ni2% | 660 | 705 | 705 to 800 | #27 | Stainless steel, Nickel-based alloy |
IS-450H | Ag50%/Cu16%/Zn26.5%/Ni3%/Mn4.5% | 660 | 690 | 690 to 790 | #6, #27 | Diamond tools, Cemented carbide |
IS-456 (BAg-7) |
Ag56%/Cu22%/Zn17%/Sn5% | 620 | 650 | 650 to 760 | #6, #27 | Copper and ferrous alloys |
*JIS equivalent products are in parentheses
Silver brazing metals for controlled atmosphere
We produce silver brazing filler metals suitable for controlled atmosphere furnaces and vacuum furnaces, and they do not contain volatile elements.
Product name | Chemical composition (%) | Reference usage temperature (℃) | ||
---|---|---|---|---|
Solidus lines | Liquidus lines | Brazing temperature | ||
IS-463 | Ag63%/Cu27%/In10% | 605 | 730 | 730 to 830 |
IS-472 (BAg-8) |
Ag72%/Cu28% | 780 | 780 | 780 to 900 |
IS-485 | Ag85%/Cu15% | 780 | 840 | 840 to 940 |
*JIS equivalent products are in parentheses
Other brazing filler metals
We produce sandwich silver brazing filler metals, gold brazing filler metals, and palladium brazing filler metals.
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We aim to fully harness the exceptional properties of precious metals.