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The "10" is the ball diameter in millimeters. The "3000" is the force in kilograms force. The hardness may also be shown as XXX HB YYD 2. The XXX is the force to apply (in kgf) on a material of type YY (5 for aluminum alloys, 10 for copper alloys, 30 for steels). Thus a typical steel hardness could be written: 250 HB 30D 2. It could be a ...
When the Union Army entered Savannah, Georgia during the American Civil War, they occupied what is now called the John Montmollin Building; it had a large sign that read "A. Bryan's Negro Mart" and was described as having "handcuffs, whips, and staples for tying, etc. Bills of sale of slaves by hundreds, and letters, all giving faithful description of the hellish business."
Hardness comparison. A variety of hardness -testing methods are available, including the Vickers, Brinell, Rockwell, Meyer and Leeb tests. Although it is impossible in many cases to give an exact conversion, it is possible to give an approximate material-specific comparison table for steels .
As of March, about 3.2% of outstanding debt was in some stage of delinquency, up from the 3.1% recorded the previous quarter but still down from the average 4.7% rate seen before the COVID-19 ...
The bank found that 47% of consumers, 3% more than last year, said the reason they weren’t shopping online was because they wanted to try on the products before buying.
The Tokyu 8500 series (東急8500系, Tōkyū 8500-kei) is a commuter electric multiple unit (EMU) train type operated by the private railway operator Tokyu Corporation on the Tokyu Den-en-toshi Line and Tokyu Oimachi Line in the Tokyo area of Japan from 1975 until 2023, and the Jabodetabek area of Indonesia since 2006.
Mitchell Simpson, the operator of Mitch Simpson Motors, has pleaded guilty to wire fraud after orchestrating a $3 million scheme to defraud companies that provided floor-plan financing to his used ...
1,435 mm (4 ft 8 + 1 ⁄ 2 in) The Keikyu 1000 series ( 京急1000形 ) was a DC electric multiple unit (EMU) train type formerly operated by the private railway operator Keikyu on commuter services in the Tokyo area of Japan from 1959 until June 2010.