Có 20+ tài liệu thuộc chủ đề "material"
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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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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.. The values stated in each system shall be used independently of the other. This paragraph does not apply to the appendix.. These notes...
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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-...
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Standard Test Method for. Early Stiffening of Portland Cement (Mortar Method) 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 early stiffening in portland-cement mortar.. 1.3 This standard does not purport to address all of the safety...
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This standard is issued under the fixed designation C 400. 1.1 This test method covers the testing of quicklime and hydrated lime for use in the treatment of waste acid solutions and includes the characterization of the liming material and of the acid waste.. N OTE 1—When agreed upon by the manufacturer and the purchaser, this method may be used...
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1.4 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 practices and determine the applica- bility of regulatory limitations prior to use.. This will become the weight of the sample as received.. This will...
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Gypsum Backing Board, Gypsum Coreboard, and Gypsum Shaftliner Board 1. This standard has been approved for use by agencies of the Department of Defense.. The values stated in each system shal be used independent of the other. 1.3 The terms “backing board,” “coreboard,” and “shaftliner board,” refer to different end uses of the gypsum board specified in this specification. The...
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Standard Test Method for. 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 early stiffening in hydraulic-cement paste.. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It...
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Standard Test Method for. This standard is issued under the fixed designation C 452. 1.1 This test method, which is applicable only to portland cements, covers the determination of the expansion of mortar bars made from a mixture of portland cement and gypsum in such proportions that the mixture has a sulfur trioxide (SO 3 ) content of 7.0 mass....
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Processing Additions for Use in the Manufacture of Hydraulic Cements 1. 1.1 This specification pertains to the criteria and tests to be used for determining whether a processing addition, when used in the recommended amount at the option of the cement producer in the manufacture of hydraulic cements, meets the requirements as prescribed by definition in Specifications C 150, C...
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Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete 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 practice covers the requirements for the apparatus and equipment used to prepare specimens for the determination of length...
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This standard has been approved for use by agencies of the Department of Defense.. The values stated first shall be regarded as the standard. These notes and footnotes (excluding those in tables and figures) are not requirements of the standard.. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It...
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Gypsum Panel Products 20. 4.1 For use in these test methods, a sample shall consist of not less than 0.25 % of the number of gypsum panel products in a shipment, but not less than three gypsum panel products.. The deformation of the specimen controls the cross head speed.. 7.2 Significance and Use—This test method covers a pro- cedure for...
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These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.. 1.5 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 practices and determine the applica-...
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Joint Compound and Joint Tape for Finishing Gypsum Board 1. This standard is issued under the fixed designation C 475. This standard has been approved for use by agencies of the Department of Defense.. 1.1 This specification covers all-purpose, taping and finish- ing joint compounds, and paper joint tape.. 1.2 This specification also covers the minimum require- ments for an...
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Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes 1. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.2 Values in SI units shall be obtained by measurement in SI units or by appropriate conversion, using the...