【国外标准】 Standard Specification for Hafnium and Hafnium Alloy Strip, Sheet, and Plate
本网站 发布时间:
2024-02-28
开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!  
查看详情>>
标准简介
适用范围:
This specification covers the standard requirements for two grades of wrought hafnium and hafnium alloy strip, sheet, and plate: Grade R1 for nuclear applications and Grade R3 for commercial applications. The materials shall be made from ingots that are produced in a furnace by vacuum or plasma arc melting, vacuum electron-beam melting, a combination of these three methods, or other melting process conventionally used for reactive metals. The various mill products shall be formed with the conventional extrusion, forging, or rolling equipment normally found in primary ferrous and nonferrous plants. The sheet, strip, and plate shall either be hot-rolled or cold-rolled and shall be supplied in the recrystallized annealed condition. Grades R1 and R3 metal shall conform to the chemical composition requirements for aluminum, carbon, chromium, copper, hydrogen, iron, molybdenum, nickel, niobium, nitrogen, oxygen, silicon, tantalum, tin, titanium, tungsten, uranium, vanadium, zirconium, and hafnium as shall be determined by chemical analysis. Mechanical properties, which shall be determined by tension tests both in longitudinal and transverse direction, shall meet the prescribed tensile strength, yield strength, and elongation requirements. Corrosion testing in water shall also be performed to determine the corrosion resistance of the materials.1.1 This specification covers two grades of wrought hafnium and hafnium alloy strip, sheet, and plate as follows:1.1.1 Grade R1 for nuclear applications, and1.1.2 Grade R3 for commercial applications.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 method 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.
标准号:
ASTM B776-12(2019)
标准名称:
Standard Specification for Hafnium and Hafnium Alloy Strip, Sheet, and Plate
英文名称:
Standard Specification for Hafnium and Hafnium Alloy Strip, Sheet, and Plate标准状态:
Active-
发布日期:
-
实施日期:
出版语种:
- 推荐标准
- 国家标准计划
- BS ISO 5501-2:2024 Tobacco heating systems. Definitions and standard conditions for aerosol generation and collection
- BS ISO 5501-3:2024 Tobacco heating systems. Definitions and standard conditions for aerosol generation and collection
- BS ISO 5501-1:2024 Tobacco heating systems. Definitions and standard conditions for aerosol generation and collection
- BS ISO 24138:2024 Information and documentation. International Standard Content Code (ISCC)
- 24/30492859 DC BS EN IEC 61753-1 Fibre optic interconnecting devices and passive components - Performance standard
- BS EN IEC 61753-071-02:2020+A1:2024 Fibre optic interconnecting devices and passive components. Performance standard
- 24/30491443 DC standard
- 24/30489392 DC BS EN IEC 62358 Ferrite cores. Standard inductance factor for gapped cores and its tolerance
- BS ISO 19848:2024 - TC Tracked Changes. Ships and marine technology. Standard data for shipboard machinery and equipment
- BS ISO 19848:2024 Ships and marine technology. Standard data for shipboard machinery and equipment
- 24/30487130 DC BS EN 50566:2017/A2:2024 Product standard to demonstrate the compliance of wireless communication
- BS IEC 61360-7:2024 Standard data element types with associated classification scheme
- 24/30486472 DC - Product standard
- KS M ISO 4259-4 석유 및 관련 제품 — 측정 방법과 결과의 정밀도 — 제4부: 개별 실험실에서 표준 시험방법의 실행에 대한 ‘통계적 관리’ 상태를 확인하기 위한 통계적 관리도의 사용
- KS C IEC 61340-4-6 정전기학 — 제4-6부: 구체적 적용 분야에 대한 표준 시험방법 — 손목접지대