Có 20+ tài liệu thuộc chủ đề "ASTM"
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Endorsed by Manufacturers Standardization Society of the Valve and Fittings Industry Used in USDOE-NE Standards. This standard is issued under the fixed designation A 105/A 105M. This standard has been approved for use by agencies of the Department of Defense.. 1.1 This specification 2 covers forged carbon steel piping components for ambient- and higher-temperature service in pressure systems. Included are...
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A 6 /A 6M Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling. A 27 /A 27M Specification for Steel Castings, Carbon, for General Application. A 307 Specification for Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength. A 325 Specification for Structural Bolts, Steel, Heat Treated, 120 /105 ksi Minimum Tensile Strength A...
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therefore, each system shall be used inde- pendently of the other. 4.1 The steel for both seamless and welded pipe shall be made by one or more of the following processes:. 5.1 The steel shall conform to the requirements as to chemical composition in Table 1 and the chemical analysis shall be in accordance with Test Methods, Practices, and Terminology...
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It shall be permissible to furnish pipe having other dimensions (Note 2) provided such pipe complies with all other requirements of this specification.. therefore, each system shall be used independently of the other. 4.1 The steel for both seamless and welded pipe shall be made by one or more of the following processes: open-hearth, electric-furnace, or basic-oxygen.. shall be in...
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Standard Specification for Bronze Trolley Wire 1. 1.1 This specification covers round, grooved, and figure-9 deep-section grooved bronze trolley wire.. 1.2 The bronze trolley wire may be made in any of the three distinct alloys indicated in accordance with their increasing conductivities: Alloy 40, Alloy 55, Alloy 80.. 3.1 The material shall be bronze of such nature and com- position...
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This standard is issued under the fixed designation B 91. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. This standard has been approved for use by agencies of the Department of Defense.. 2.1 The following documents of the issue in effect on date of material...
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This standard is issued under the fixed designation B 92/B 92M. This standard has been approved for use by agencies of the Department of Defense.. The values stated in each system are not exact equivalents, therefore each system must be used inde- pendently of the other.. 5.1 No scrap shall be used in the production of magnesium ingot and stick,...
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This standard is issued under the fixed designation B 93/B 93M. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. This standard has been approved for use by agencies of the Department of Defense.. N OTE 1—Supplementary information pertaining to the alloys covered by this specification...
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written permission of the publisher.. This edition of the AISC Specification is dedicated to the memory of Dr. Center of the HSS Diameter or Width, and Acting Perpendicular to the HSS Axis. of the HSS Width, and Acting Parallel to the HSS Axis. J3.6 A bi Cross-sectional area of the overlapping branch, in. K2.3 A bj Cross-sectional area of the...
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02/A36 ASTM C311 Sampling and Testing Fly Ash or Natural Pozzolans for Use as a Mineral Admixture in Portland Cement Concrete. 02/A05 ASTM C87 Effect of Organic Impurities in Fine Aggregates on Strength of Mortar. Aggregate in the Los Angeles Machine. 02/A15 ASTM D75 Practice for Sampling Aggregates. 02/A16 ASTM D2419 Sand Equivalent Value of Soils and Fine Aggregate. Aggregate...
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enduring partnership marked by progress and innovation in the building of homes, offi ces and other facilities worldwide. this relationship dates back to the founding of astm, as many of the society’s earliest technical committees and standards were driven by construction-related needs.. the collective expertise of many of these committees is contained in the 45th edition of ASTM Standards in...
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This standard is issued under the fixed designation C 187. 1.1 This test method covers the determination of the normal consistency of hydraulic cement.. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appro- priate safety and health...
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This standard is issued under the fixed designation C 188. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. This standard has been approved for use by agencies of the Department of Defense.. 1.1 This test method covers determination of the density of hydraulic cement. 1.2...
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Time of Setting of Hydraulic Cement by Vicat Needle 1. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This method covers determination of the time of setting of hydraulic cement by means of the Vicat needle.. N OTE 1—For the method for determining time...
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1.1 This test method covers determination of the fineness of hydraulic cement, using the Blaine air-permeability apparatus, in terms of the specific surface expressed as total surface area in square centimetres per gram, or square metres per kilogram, of cement. Although the test method may be, and has been, used for the determination of the measures of fineness of various...
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Standard Test Method for. Bleeding of Cement Pastes and Mortars 1. This standard is issued under the fixed designation C 243. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This test method covers the determination of the bleed- ing rate and bleeding capacity of...
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Standard Specification for Gypsum Concrete 1. This standard has been approved for use by agencies of the Department of Defense.. Gypsum concrete is intended for use in the construction of poured-in-place roof decks or slabs. therefore, each system shall be used independently of the other. C 472 Test Methods for Physical Testing of Gypsum, Gyp- sum Plasters and Gypsum Concrete...
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Fineness of Hydraulic Cement by the 45-µm (No. This standard is issued under the fixed designation C 430. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This test method covers the determination of the fine- ness of hydraulic cement by means of the 45-µm...
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Standard Test Method for. Flexural Strength of Hydraulic-Cement Mortars 1. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This test method covers the determination of the flexural strength of hydraulic-cement mortars.. 1.3 Values in SI units shall be obtained by measurement in SI units...
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Standard Test Method for. Compressive Strength of Hydraulic-Cement Mortars (Using Portions of Prisms Broken in Flexure) 1. This standard is issued under the fixed designation C 349. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This test method covers the determination of the com-...