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X-ray diffraction has become a popular means of residual stress measurement in the aerospace materials field over the last 50 years. A proposed new guide being developed by ASTM International Committee E28 on Mechanical Testing will provide the necessary information to obtain the most reliable residual stress values as well as identify and evaluate potential errors in measurement, paving the way…
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The U.S. Department of Defense, as well as architects, mechanical engineers and food service consultants who design commercial kitchens, will be the primary users of a proposed new standard, WK25126 , Specification for Recirculating Hood System for Cooking Appliances. WK25126 is being developed by Subcommittee F26.07 on Commercial Kitchen Ventilation, part of ASTM International Committee F26 on…, ASTM Committee F26 Next Meeting:, April 20-21 , April Committee Week, St. Louis, Mo., Technical Contact:, Richard Swierczyna, Architectural Energy Corp., Wood Dale, Ill., Phone: 630-860-1439, rswierczyna@archenergy.com, ASTM Staff Contact:, Christine DeJong, Phone: 610-832-9736, cdejong@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #844 4/Dec2009
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Rapid hardening hydraulic cements are used in a variety of applications in which reduced cementitious contents are desired or early service is needed. Included among these applications are paving, construction, stucco, mortar and block. A newly approved ASTM International standard covering these cements, ASTM C1600/C1600M , Specification for Rapid Hardening Hydraulic Cement, has been developed by…, Type URH, —ultra rapid hardening, for use where ultra high early strength is desired;, Type VRH, —very rapid hardening, for use where very high early strength is desired;, Type MRH, —medium rapid hardening, for use where mid-range rapid hardening, high early strength is desired; and, Type GRH, —general rapid hardening, for use when the higher strength properties of Type VRH or a Type MRH cement is not required. “ASTM C1600 lists minimum requirements for compressive strength, setting time, shrinkage and soundness (autoclave expansion),” says Hicks. “Optional specifications for sulfate expansion, alkali silicate reactions with aggregates, heat of hydration and expansion in water are also…
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ASTM International Committee F26 on Food Service Equipment will hold a free webinar on operating costs of food service equipment on Sept. 17 from 2 to 3:30 p.m. EST. Based on the ASTM standard F2687 , Practice for Life Cycle Cost Analysis of Commercial Food Service Equipment, the webinar will focus on the two new free tools that have been developed by food industry experts to project the total…
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Engineers and researchers who have specialized Charpy testing needs will be the primary users of two new standards recently approved by ASTM International Committee E28 on Mechanical Testing. The new standards, E2248 , Test Method for Impact Testing of Miniaturized Charpy V-Notch Specimens, and E2298 , Test Method for Instrumented Impact Testing of Metallic Materials, were developed by…
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Requests from industry to develop a standard practice for determining the total cost of ownership for commercial food service equipment have led to the formation of F26.05 on Life Cycle Cost, a subcommittee of ASTM International Committee F26 on Food Service Equipment. “An industry standard for analyzing the life cost of commercial food service equipment is needed to help the industry address…
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Working toward a standard practice for torque calibration that would reduce laboratory inconsistencies and uncertainties has led to the approval of a new ASTM International standard, E2428 , Practice for Calibration of Torque-Measuring Instruments for Verifying the Torque Indication of Torque Testing Materials. The new standard was developed by Subcommittee E28.01 on Calibration of Mechanical…
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A recently approved revision to ASTM International standard C 150 , Specification for Portland Cement, includes three significant technical changes to the document. The changes are part of a joint effort between ASTM and the American Association of State and Highway and Transportation Officials to harmonize C 150 with AASHTO’s standard, M 85, Specification for Portland Cement. C 150 is under the…
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A pair of new ASTM International standards developed by ASTM International Committee F26 on Food Service Equipment will be used to replace U.S. Department of Defense military standards. Subcommittee F26.04 on Mechanical Preparation Equipment developed the standards, F 2645 , Specification for Bun Slicing Machines, and F 2646 , Specification for Bread Slicing Machines. According to Richard…
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The heating performance and energy consumption of commercial radiant patio heaters is the subject of a new ASTM International standard. F 2644 , Test Method for Performance of Commercial Patio Heaters, was developed by Subcommittee F26.06 on Energy and Productivity Protocols, which is part of ASTM International Committee F26 on Food Service Equipment. The new standard was originally developed…