- 您的位置:
- 中国标准在线服务网 >>
- 全部标准分类 >>
- 国外标准 >>
- ASME >>
- ASME B16.25-2003 Buttwelding Ends
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>>

适用范围:
This Standard covers the preparation of buttwelding ends of piping components to
be joined into a piping system by welding. It includes requirements for welding
bevels, for external and internal shaping of heavy-wall components, and for
preparation of internal ends (including dimensions and tolerances). Coverage
includes preparation for joints with the following. (a) no backing rings; (b) split or
noncontinuous backing rings; (c) solid or continuous backing rings; (d) consumable
insert rings; (e) gas tungsten are welding (GTAW) of the root pass. Details of
preparation for any backing ring must be specified in ordering the component.
- 推荐标准
- ASTM B887-24 Standard Test Method for Determination of Coercivity (Hcs) of Cemented Carbides
- ASTM C1256-25 Standard Practice for Interpreting Glass Fracture Surface Features
- ASTM D4221-25 Standard Test Method for Dispersive Characteristics of Clay Soil by Double Hydrometer
- ASTM E1316-25 Standard Terminology for Nondestructive Examinations
- ASTM E135-25 Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
- ASTM C1550-25 Standard Test Method for Flexural Toughness of Fiber Reinforced Concrete (Using Centrally Loaded Round Panel)
- ASTM C1576-25 Standard Test Method for Determination of Slow Crack Growth Parameters of Advanced Ceramics by Constant Stress Flexural Testing (Stress Rupture) at Ambient Temperature
- ASTM C1651-25 Standard Test Method for Measurement of Roll Wave Optical Distortion in Heat-Treated Flat Glass
- ASTM C1688/C1688M-25 Standard Test Method for Density and Void Content of Freshly Mixed Pervious Concrete
- ASTM C1723-25 Standard Guide for Examination of Hardened Concrete Using Scanning Electron Microscopy
- ASTM C174/C174M-25 Standard Test Method for Measuring Thickness of Concrete Elements Using Drilled Concrete Cores
- ASTM C1765-25 Standard Specification for Steel Fiber Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe
- ASTM C1780-25 Standard Practice for Installation Methods for Cement-based Adhered Masonry Veneer
- ASTM C183/C183M-25 Standard Practice for Sampling and the Amount of Testing of Hydraulic Cement
- ASTM C1896-25 Standard Specification for Joints for Concrete Arch Pipe Using Profile Rubber Gaskets