GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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16:16 Feb 20, 2008 |
English to Spanish translations [PRO] Mechanics / Mech Engineering | |||||||
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| Selected response from: Hector Aires Local time: 23:22 | ||||||
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Summary of answers provided | ||||
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5 +1 | clase 1b |
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clase 1b Explanation: Es una clasificación del grado de corrosión que puede provocar una sustancia en base al aspecto que presenta una lámina de cobre después de haberla puesto en contacto con dicha sustancia. Ver: http://www.propanecouncil.org/files/10014_GPA_CopperStrip_FI... de la cual copié lo siguiente: ASTM D 1838 is a test procedure used to evaluate the potential corrosiveness of liquefied petroleum gas containing trace impurity components towards copper. In summary, the test involves immersion of a polished copper strip in the LPG in question at 100ºF (37.8ºC) for 1 hour and then comparison of the appearance of the strip to a set of commercial standards prepared for use as part of the ASTM procedure. The standards are differentiated into four categories (1 – 4) with sub-classifications of 1a - 1b, 2a – 2e, 3a – 3b and 4a – 4c. The categories 1 – 4 represent slight tarnish, moderate tarnish, dark tarnish and corrosion respectively and the visual appearance of the categories ranges from an off-color copper metal for 1, a range of pinks, green/lavender and brassy gold colors for 2, magenta with over-casts of red and green for 3 and generally dark grays and blacks for 4. The D-ASTM 1838 procedure recognizes the general difficulty of differentiating some of the possible test results by not offering definitive guidelines for absolute assignment of a particular classification within each class. Saludetes El Étor -------------------------------------------------- Note added at 3 hrs (2008-02-20 19:27:25 GMT) Post-grading -------------------------------------------------- También podría ser clasificación, categoría, tipo, nivel, pero siempre en comparación con las laminitas normalizadas. |
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