The high quality microdissecting tweezers on the following pages are available in a number of different steel alloys. Which alloy to choose is very important and depends on how you intend to use the tweezer. The information below is provided to help compare the various alloys and their respective properties. Please note that not all tweezer patterns are available in all alloys.
CARBON STEEL: At Rockwell 60, carbon steel is one of the hardest tweezer steels. Carbon steel tips are very durable but because of this hardness, carbon steel tips are more brittle than some of the other steels. Carbon steel is also highly magnetic and stains easily.
TITANIUM: While not as hard as some of the other alloys (Rockwell 37 at tips), titanium tips are very flexible.
Another unique property of titanium is that it is 33% lighter than other stainless alloys. Titanium
is extremely corrosion and stain resistant, making it the preferred choice for salt water uses.
Titanium also has a high heat resistance in excess of 400ºC and is completely non-magnetic.
INOX: Inox is a specific stainless alloy composed of carbon steel and chromium. Inox tips are more flexible than pure carbon steel but not as hard (Rockwell 55). Inox has good stain resistance and is magnetic.
DUMOXEL: One of the most popular tweezer alloys, Dumoxel is even more stain resistant than Inox and is highly
corrosion resistant. With a Rockwell 36 at the tips, tweezers made from this alloy have very soft, flexible tips. Dumoxel is non-magnetic and exhibits high temperature resistance.
DUMOSTAR: This new alloy is a blend of steel, chromium, nickel, cobalt and has many of the best features of the other alloys. Dumostar is heat resistant to over 500ºC and is completely non-magnetic. Dumostar is extremely corrosion resistant and is one of the harder alloys at Rockwell 62. However, because of its unique composition, Dumostar tips are very flexible, are resistant to fatigue, and are capable of flexing far beyond other alloys without permanently deforming. This alloy is far superior in overall performance than any other material available today!
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