The document helps readers develop an understanding of the types of defects found in weldments and how they appear in a radiograph.
Category: Pipe Welding
This document provides tips for purging various materials and pipe sizes. It also covers techniques for making purge dams and blocks.
The Excel document calculates purge flow rates and provides examples.
This Excel file provides dimensional information for products such as fittings, pipes, angle, channel, bolts and more.
This document outlines factors to consider when selecting proper cup size for TIG welding and how to measure a cup size.
This document from the United Association provides tips to assist welders in preparing for and taking a weld test.
The document provides guidelines on the proper preparation, grinding and cutting of tungsten electrode. In addition to offering assistance in selecting the best tungsten composition for the job, it offers safety tips for grinding tungsten electrodes.
This publication provides a model piping specification that can be used to document the materials, fabrication, installation, examination, testing and quality control for hydronic piping and similar steam, hot and chilled water applications.
Changes in steelmaking practices by certain mills over the last 5 years have resulted in seamless carbon steel pipe, fittings and flanges failing during hydrostatic testing. This article recommends steps that you can take to avoid such failures.
Flanges are simple to assemble, and ensuring leak-free flanges is as easy as following the practices addressed in ASME standard PCC-1, Guidelines for Pressure Boundary Bolted Joint Assembly.
Your brazers will benefit from the concise, easy-to-read background information and instructions in these guidelines. The guidelines supplement NCPWB Brazing Procedure Specifications and include both mandatory and recommended practices as well as general information.
Supplement your welders’ knowledge with these practices not included in the Welding Procedure Specifications. This information is necessary for the proper welding of pipefittings.
This publication describes testing procedures for welders according to the requirements of Section IX, Welding, of the ASME Boiler and Pressure Vessel Code.
These talks describe welding, soldering, and brazing processes and their advantages and limitations. Information covered includes details of the numbering system used for selecting electrodes, NCPWB welding procedures and how to properly maintain welding equipment and store welding electrodes and filler metals.
NCPWB has developed a new soldering procedure in accordance with ASTM B-828, Standard Practice for Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings . The procedure is designed to assist companies in complying with this standard when making soldered joints in copper plumbing and similar systems under many ASME Piping and Building Codes.