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A new ASTM International standard covers the inspection requirements agreed upon by the purchaser and producer of steel castings for the sample castings prior to production of an order. The new standard, ASTM A1062 , Specification for Steel Castings Sampling, has been developed by Subcommittee A01.18 on Castings , part of ASTM International Committee A01 on Steel, Stainless Steel and Related…
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A new ASTM subcommittee seeks to acknowledge the ongoing advances being made in the field of nanostructured inorganic coatings. B08.16 on Nanostructured Coatings, part of ASTM International Committee B08 on Metallic and Inorganic Coatings, is currently developing its first proposed standard, ASTM WK29468 , Specification for Galvanic Protection of Steel Using a Nanostructured Coating of 95 % Zinc…
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ASTM International Subcommittee A01.05 on Steel Reinforcement has made a significant revision to ASTM A706/A706M , Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement. A higher yield strength level, namely Grade 80 [550], has been added to the standard. The term “grade” relates to minimum yield strength in units of “kps/in.2 (megapascals),” i.e., “Grade 80 [550]”…
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ASTM Committee A01 on Steel, Stainless Steel and Related Alloys has now published a versatile new standard, A1064/A1064M , Specification for Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete. The new standard is under the jurisdiction of Subcommittee A01.05 on Steel Reinforcement. Ted Mize, P.E., senior engineer, Ivy Steel & Wire, and an A01.05 member, notes that ASTM…, ASTM Committee A01 Next Meeting:, May 17-20, May Committee Week, St. Louis, Mo., Technical Contact:, Ted Mize, Ivy Steel & Wire, Concord, Calif., Phone: 925-685-9141, tmize@ivysteel.com, ASTM Staff Contact:, George Luciw, Phone: 610-832-9710, gluciw@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #844 3/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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A new ASTM International standard will serve as a guide for manufacturers and laboratories that make and test steel products according to standards using the SI system of units. The new standard, ASTM A1058 , Test Methods for Mechanical Testing of Steel Products—Metric, arose from a need for a stand-alone metric steel testing standard, according to Lester Burgess, director of quality, TSP/U.S.…
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Providing customer reassurance that high performance corrosion resistant steel will meet a given set of criteria is the purpose of a new ASTM International standard recently approved by Committee A01 on Steel, Stainless Steel and Related Alloys. The new standard, ASTM A1055 , Specification for Zinc and Epoxy Dual Coated Steel Reinforcing Bars, is under the jurisdiction of Subcommittee A01.05 on…
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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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ASTM International Committee B08 on Metallic and Inorganic Coatings has recently approved a revision of one of its most important standards, B 633 , Specification for Electrodeposited Coatings of Zinc on Iron and Steel. B 633 is under the jurisdiction of Task Group B08.08.04 on Soft Metals, which is part of Subcommittee B08.08 on Metallic Coatings. Zinc coatings are used to provide a sacrificial…