The Test
In our test we used a Nickel Silver pin & a Brass pin for 5000 cycles. We pinned a cylinder with the Brass and Nickel Silver pins in the chambers closest to the front. Since the pin closest to the front gets the most wear we removed the pins after 2500 cycles and reversed their positions to make sure they received an equal amount of wear.
After 5000 Cycles the Nickel Silver pin had only worn down by 0.0015 inches, or 1-1/2 thousandths.
The Brass pin, however, had worn down by 0.0035 inches, or 3-1/2 thousandths. As you can see, the wear was well over double that of Nickel Silver.
The Conclusion
As you can see the wear on a brass pin is substantially higher than Nickel Silver. While 5000 cycles may seem like a lot, if you use a lock 10 times a day 5 days a week you would hit 5000 cycles in less than 2 years. What it boils down to is that if you have a situation where your Nickel Silver pins are worn out at 30 years, those same pins would have worn out by 13 years had they been Brass. Want more information? Call or email us for any questions, if you need help, or just want more information.
dan@sficss.com
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