17704692435
有电子文本×
购买标准后,可去我的标准下载或阅读

This specification covers cast alloy steels in the normalized and tempered or quenched and tempered condition, suitable for high strain gradient conditions. One test block for each heat is required. The test block configuration and size are specified. Tension and Charpy impact tests and oxygen, nitrogen, and hydrogen gas content tests shall be performed. The steel shall be made by electric furnace process with methods, such as argon-oxygen-decarburization, to conform to the maximum gas level. Heat treatment procedure shall be done. Multiple austenitizing and tempering are permitted. The chemistry grade shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, and aluminum. Residual elements include: zirconium, copper, titanium, tungsten, vanadium, columbium, and boron. A product analysis shall be made for specification conformance. Casting shell and core depth zone shall be established and examined. Repair methods such as grinding and welding are detailed.1.1 This specification covers cast alloy steels in the normalized and tempered or quenched and tempered condition, in section sizes through 37 in. (940 mm), suitable for high-strain gradient conditions such as those encountered in hooks, shackles, support frames, and other lifting devices. The classes of steel in this specification are weldable only with qualified procedures.1.2 Section range and class selection will depend on design and service conditions. Users should note that this specification contemplates mechanical property gradients.1.3 The values stated in inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in parentheses. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to this specification and SI units for material ordered to this specification.1.4 If, by agreement, castings are to be supplied in a partially completed condition, that is, all of the provisions of the product specification have not been filled, then the material marking (see Section 15) and certification (see Section 14) are to reflect the extent to which the product specification requirements have been met.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:590元 / 折扣价: 502

This guide specifies standard specification for heavy-wall carbon and alloy steel pipe made from turned and bored forgings and is intended for high-temperature service. Heat and product analysis shall be conducted on several grades of ferritic steels, wherein the material shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum. The steel pipe shall conform to the required tensile properties like tensile strength, yield strength, and elongation. Required mechanical tests for the steel pipe include transverse or longitudinal tension test, flattening test, and bend test.1.1 This specification2 covers heavy-wall carbon and alloy steel pipe (Note 1) made from turned and bored forgings and is intended for high-temperature service. Pipe ordered under this specification shall be suitable for bending and other forming operations and for fusion welding. Selection will depend on design, service conditions, mechanical properties and high-temperature characteristics.NOTE 1: The use of the word “pipe” throughout the several sections of this specification is used in the broad sense and intended to mean pipe headers, or leads.NOTE 2: The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as “nominal diameter,” “size,” and “nominal size.”1.2 Several grades of ferritic steels are covered. Their compositions are given in Table 1.1.3 Supplementary requirements (S1 to S7) of an optional nature are provided. Supplementary requirements S1 to S5 call for additional tests to be made, and when desired shall be so stated in the order, together with the number of such tests required as applicable.1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:590元 / 折扣价: 502

This specification covers precipitation-strengthened low carbon nickel copper-chromium-molybdenum-columbium alloy structural steel plates. Precipitation strengthening and precipitation heat treatment shall be performed on the material to enhance and alter the required structural and mechanical properties. Heat analysis shall be used to determine the required chemical composition for carbon, manganese, phosphorus, sulfur, nickel, chromium, molybdenum, copper, columbium, and titanium. Yield strength, tensile strength, and elongation shall be evaluated using tension test and the required toughness shall be evaluated using notch toughness test.1.1 This specification covers low-carbon precipitation — strengthened nickel - copper - chromium - molybdenum - columbium (niobium) alloy steel plates for general applications. The alloys in this specification are strengthened by precipitation in various temperature ranges. Precipitation strengthening can occur upon air cooling after hot rolling, during normalizing, and by another heat treatment. These grades are not intended for use in applications above 900°F [480°C].1.2 Two grades, each with three classes, are provided as follows:Grade and Class Condition     Grade A, Class 1 as-rolled and precipitation heat treated  Grade A, Class 2 normalized and precipitation heat treated  Grade A, Class 3 quenched and precipitation heat treated  Grade B, Class 1 as-rolled  Grade B, Class 2 normalized  Grade B, Class 3 normalized and precipitation heat treated1.3 Grade A provides minimum yield strength levels ranging from 50 to 85 ksi [345 to 585 MPa], depending on thickness and condition.1.4 Grade A, Class 1, plates are limited to a maximum thickness of 3/4 in. [20 mm]. The maximum thickness of Grade A, Classes 2 and 3, is limited only by the capacity of the composition to meet the specified mechanical property requirements; however, current practice normally limits the maximum thickness to 8 in. [200 mm].1.5 Mandatory notch toughness requirements are specified for Grade A, Class 1.1.6 Grade B provides minimum yield strength levels ranging from 70 to 75 ksi [485 to 515 MPa], depending on thickness and condition.1.7 Grade B plates are limited to a maximum thickness of 2 in. [50 mm].1.8 Mandatory notch toughness requirements are specified for the three classes of Grade B.1.9 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized. See Appendix X3 of Specification A6/A6M for information on weldability.1.10 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.1.11 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:515元 / 折扣价: 438

This specification covers a group of common requirements that are mandatory for steel castings produced by the investment casting process for pressure-containing parts. Master heats shall be made by the electric furnace process with or without separate refining such as argon-oxygen-decarburization (AOD), vacuum-oxygen degassing (VOD), vacuum-induction-melting (VIM). Ferritic and martensitic steel shall be cooled after pouring to provide complete transformation of austenite prior to heat treatment to enhance mechanical properties. Chemical, heat, and product analyses shall be performed and the chemical composition thus determined shall conform to the prescribed values in carbon, manganese, silicon, phosphorus, sulfur, nickel, chromium, molybdenum, vanadium, tungsten, copper, and aluminum. Tensile testing shall be done on the castings and shall meet the required yield and tensile strength, elongation, and reduction of area. Each casting shall also be tested after machining to hydrostatic shell pressure test and shall not show any leaks.1.1 This specification covers a group of common requirements that are mandatory for steel castings produced by the investment casting process for pressure-containing parts under each of the following ASTM Specifications:  Title of Specification ASTM Designation     Steel Castings, Carbon, Suitable for Fusion Welding, A216/A216M  for High-Temperature Service  Steel Castings, Martensitic Stainless and Alloy, for A217/A217M  Pressure-Containing Parts, Suitable for High-    Temperature Service  Castings, Austenitic, for Pressure-Containing A351/A351M  Parts  Steel Castings, Ferritic and Martensitic, for Pressure- A352/A352M  Containing Parts, Suitable for Low-Temperature    Service  Steel Castings, Alloy, Specially Heat-Treated, for A389/A389M  Pressure-Containing Parts, Suitable for High-    Temperature Service  Steel Castings Suitable for Pressure Service A487/A487MCastings, Iron-Nickel-Chromium and Nickel Alloys, Spe-     cially Controlled for Pressure-Retaining Parts for     Corrosive Service A990/A990MCastings, Austenitic-Ferritic (Duplex) Stainless Steel, for     Pressure-Containing Parts A995/A995M1.2 This specification also covers a group of supplementary requirements, which may be applied to the above specifications as indicated therein. These requirements are provided for use when additional testing or inspection is desired, and apply only when specified individually by the purchaser in the order.1.3 When investment casting is ordered, the requirements of this specification shall take precedence over the individual material specification requirements.1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with 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 appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:646元 / 折扣价: 550

ASTM B367-22 Standard Specification for Titanium and Titanium Alloy Castings Active 发布日期 :  1970-01-01 实施日期 : 

This specification covers the standard requirements for titanium and titanium alloy castings intended for general corrosion resistant and industrial applications. Materials for this specification shall be melted by conventional processes used for reactive metals such as consumable electrode and induction-slag, plasma arc, induction-skull, and electron beam melting processes. The materials shall undergo chemical, pour, and product analysis to determine the chemical composition which shall conform to the requirements for nitrogen, carbon, hydrogen, iron, oxygen, aluminum, vanadium, tin, ruthenium, palladium, cobalt, molybdenum, chromium, nickel, niobium, zirconium, silicon, and titanium. All castings shall be supplied in the as-cast condition except when post-weld heat treatment is required wherein it shall consist of a stress relief performed at certain temperatures. The surface of the castings shall be free of adhering mold material, scale, cracks, and hot tears as determined by visual inspection.1.1 This specification covers titanium and titanium alloy castings intended for general corrosion resistant and industrial applications. as follows:1.1.1 Grade C-2—UNS R52550. Unalloyed titanium,1.1.2 Grade C-3—UNS R52551. Unalloyed titanium,1.1.3 Grade C-5—UNS R56409. Titanium alloy (6 % aluminum, 4 % vanadium),1.1.4 Grade C-7—UNS R52700. Unalloyed titanium plus 0.12 to 0.25 % palladium,1.1.5 Grade C-8—UNS R52703. Unalloyed titanium plus 0.12 to 0.25 % palladium,1.1.6 Grade C-9—UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),1.1.7 Grade C-12—UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),1.1.8 Grade C-16—UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,1.1.9 Grade C-17—UNS R52702. Unalloyed titanium plus 0.04 to 0.08 % palladium, and1.1.10 Grade C-38—UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron).1.2 This specification is intended for use of purchasers and/or producers of reactive metal castings for defining the requirements and assuring the properties of castings for unique corrosion-resistant applications, that is, not for commodity items which must meet all potential purchasers’ requirements.1.2.1 Users are advised to use the specification as a basis for obtaining castings which will meet minimum acceptance requirements established and revised by consensus of the members of the committee.1.2.2 User requirements considered more stringent may be met by the addition to the purchase order of one or more supplementary requirements, which may include, but are not limited to, those listed in Sections S1 through S8.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:590元 / 折扣价: 502

This specification covers seamless and welded zirconium and zirconium alloy pipe. The pipe is furnished in three grades as follows; grade R60702- unalloyed zirconium, grade R60704- zirconium-tin alloy, and grade R60705- zirconium-niobium alloy. Seamless pipe shall be made from any seamless method that will yield a product meeting the requirements prescribed. Pipe containing welded seams or other joints made by welding shall comply with the given provisions. The pipe shall be furnished in the annealed or stress-relieved condition. The material shall conform to the requirements as to chemical composition prescribed. The material, as represented by the test specimens, shall conform to the tensile properties prescribed.1.1 This specification2 covers three grades of seamless and welded zirconium pipe.1.2 Unless a single unit is used, for example corrosion mass gain in mg/dm2, the values stated in either inch-pound or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore each system must be used independently of the other. SI values cannot be mixed with inch-pound values.1.3 The following precautionary caveat pertains only to the test methods portions of this specification: 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 appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:590元 / 折扣价: 502

This specification covers the standard for rolled nickel and nickel alloy plate, sheet, and strip. The materials shall be manufactured by one either electric-arc, electric-induction, or other suitable processes. The specimens shall also be subjected to chemical analysis, tension test, and grain size test. If one of the specimens fails to meet the prescribed requirements, two additional specimens from different sample pieces shall be tested again.1.1 This specification covers a group of general requirements that, unless otherwise specified in the purchase order or in an individual specification, shall apply to rolled nickel and nickel alloy plate, sheet, and strip, under each of the following specifications issued by ASTM: Specifications B127, B162, B168, B333, B409, B424, B434, B435, B443, B463, B536, B575, B582, B599, B620, B625, B670, B688, B709, B718, B755, B814, B818, B872.1.2 In case of any conflicting requirements, the requirements of the purchase order, the individual material specification, and this general specification shall prevail in the sequence named.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:646元 / 折扣价: 550

5.1 Uranium hexafluoride is a basic material used to produce nuclear reactor fuel. To be suitable for this purpose, the material must meet criteria for isotopic composition. This test method is designed to determine whether the material meets the requirements described in Specifications C787 and C996.1.1 This test method is applicable to the isotopic analysis of uranium hexafluoride (UF6) with 235U concentrations less than or equal to 5 % and  234U,   236U concentrations of 0.0002 to 0.1 %.1.2 This test method may be applicable to the analysis of the entire range of  235U isotopic compositions providing that adequate Certified Reference Materials (CRMs or traceable standards) are available.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 appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:515元 / 折扣价: 438

This specification covers four types of pozzolanic hydraulic lime for structural purposes which include use in mortar, scratch, brown, and finish (stucco) coats of interior or exterior plaster. The four types of pozzolanic hydraulic lime are classified according to the minimum hydrated lime content, maximum hydraulic cement content, and specific performance requirements. Test specimens shall be stored in a moist room or cabinet wherein the storage surface shall be in equilibrium with the space to ensure no moisture loss. The specimens shall be subjected to testing to determine conformance to the following requirements: water soluble alkali, sulfur trioxide content, carbon dioxide content, fineness, maximum time of initial and final set, autoclave expansion, air content, water retention, and compressive strength.1.1 This standard covers four types of pozzolanic hydraulic lime for structural purposes which include use in mortar, scratch, brown, and finish (stucco) coats of interior or exterior plaster.1.1.1 PHL—Pozzolanic hydraulic lime for use in mortar, scratch, brown, and finish (stucco) coats of interior or exterior plaster.1.1.2 PHLc—PHL with a maximum 20 % binder weight of hydraulic cement.1.1.3 PHL-A—Air-entrained PHL.1.1.4 PHLc-A—Air-entrained PHLc.1.2 The values stated in SI units are to be regarded as standard.1.3 This specification classifies pozzolanic hydraulic lime by minimum hydrated lime content, maximum hydraulic cement content, and specific performance requirements.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 appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:515元 / 折扣价: 438

1.1 These definitions pertain to the terminology used in the porcelain enamel and ceramic-coated metal industries.1.2 Words adequately defined in standard dictionaries are not included. Included are words that are peculiar to these industries.1.3 Hyphenated words, double words, or phrases are listed alphabetically under the first word; additional important words are cross-referenced.1.4 When a word or phrase, listed as a synonym, is not separately defined, the defined word or phrase is the accepted or preferred form.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

   电子版:590元 / 折扣价: 502

27303 条记录,每页 10 条,当前第 8 / 2731 页 第一页 | 上一页 | 下一页 | 最末页  |     转到第   页  
  • 波浪
  • 波浪
  • 波浪
  • 波浪