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Ibis / Ancotech Handlebar
IBIS / ANCOTECHIt might be wise to read the passage in the Handlebar Overview titled "About Titanium Handlebars" before continuing. In the United States, there are three note worthy mills that make Titanium tubing. Note worthy in their reputation and that they require no oversight or checking up when it comes to the quality of their tubing or its alloy composition. These mills are Sandvik, Haynes, and Ancotech. All of them have previously or presently served the aircraft/aerospace industry, and as the amount of both commercial and military aircraft construction falls, the peace dividend is increased attention to the bike industry as a market for their tubing. At the moment, Ancotech is the only tubing maker that is directly addressing the handlebar market. Sandvik at one time made a bulged bar, but not presently, and Haynes tubing was used by Merlin to make their straight gauge handlebar, but has now been discontinued. The Ancotech ATB flat bar meets the alloy composition quality requirements that ardent cyclists have come to appreciate, and expect in a long life handlebar. Intense riders here have come to rely on nothing less than the certified Ti 3Al-2.5V alloy used for this handlebar's tubing. The Ibis/Ancotech bar has the center 4 inches bulged to a 25.4mm outer diameter and has 22.2mm diameter at the ends where the tubing has a .7mm wall thickness. The inner diameter of the bar at the ends is 20.5mm. We cut one of the Anco bars in half lengthwise to make measurements of the wall thickness. The bulge area has a .84mm wall thickness. At the bend wall thickness is relatively unchanged, in the .84mm to .86mm range. Over the remaining 7 1/4" (185mm) to the bar end there is also virtually no change in the wall thickness with the end measuring .82mm for its wall thickness. The Ibis/Ancotech handlebar weighs exactly 146 grams, and comes in a 0 degree (straight) or 5 degree bend. It has a 565mm (22 1/4") length with a smooth outer surface, and come only in the natural Titanium Grey color. $ Price in Catalog |
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In-depth Information About Metals Aluminum Aluminum is extracted electrolytically from bauxite ore. It is made by the electrolysis of aluminum oxide which is found in larger concentrations within bauxite ore. Bauxite is a mixture of the hydroxides of aluminum, together with other impurities such as oxides of iron, titanium, and silicon. Bauxite is produced by the weathering and change of aluminum silicate rocks usually found in tropical and semitropical regions where climate has produced an accelerated weathering process. Bauxite is not a rare ore and is widely available in the US, the Caribbean, and Europe. Approximately 4 pounds of read the full article... Beryllium Beryllium is a specialty metal that is steel-grey metal in color, with an extremely low density, making it very light weight. At 1.85 grams to the cubic centimeter, its density compares to that of magnesium. It is also a high strength metal, making it possible to design light weight, thin membered parts with ahigh stiffness. A column made of beryllium to support a load placed directly downward on top of it, will have a greater load carrying capacity, and be lower in weight than any other metal of equal size. Until the 1950's beryllium was used read the full article... Titanium The element titanium was discovered in 1763 by an English cleric, William Gregor who was an amateur chemist with an inquiring mind. It was in the black sands of Cornwall that he discovered the new element that had up to that time, attracted little scientific interest. A few years later, an Austrian, Klaproth, extracted the same element from an ore widely known as "rutile", which is a mineral consisting of titanium dioxide (one titanium atom, two oxygen atoms), that is a reddish-brown substance with a slight metallic luster. While rutile is the highest grade read the full article... Metallurgic Hardness Testing There are three types of tests used with accuracy by the metals industry,they are the Brinell hardness test, the Rockwell hardness test, and the Vickers hardness test. Hardness is the property of a metal which gives it the ability to resist being permanently deformed (bent, broken, or have its shape changed), when a load is applied. The greater the hardness of the metal, the greater resistance it has to deformation. Since the definitions of metallurgic ultimate strength and hardness are rather similar, it can generally be assumed read the full article... |
