Category: Pipe Welding
Safety Manual for Mechanical Service Technicians
This comprehensive, user-friendly manual was designed specifically for the mechanical service industry. Color illustrations highlight key points and enhance the reader’s ability to find information.
An Explanation of Certified Pipe Welding
This publication helps educate technicians and customers about ASME Code requirements for the proper installation and fabrication of welded piping systems in accordance with Welding Procedure Specifications.
Quality and Economy in Building Services Piping Construction: A Guide For Owners, Architects and Engineers Technical Resource
Find out why NCPWB recommends the ANSI/ASME B31.9 Building Services Piping Code for quality and economy in building services piping construction.
Tools to Reduce the Cost and Risk Associated with Welding and Brazing
This document explains the many tools that the National Certified Pipe Welding Bureau provides to help its members reduce the cost and risk of welding and brazing.
Welding Dissimilar Metals in Heating and AC Piping Systems Technical Resource
This article presents guidance on what to do when dissimilar metals are used in heating and air conditioning piping systems. NCPWB is grateful to ASHRAE for allowing us to reproduce this article, which was published in ASHRAE Journal, Vol. 51, April 2009.
Understanding Bend Tests Technical Resource
This document explains the concept of a bend test for welds and what factors, beside poor weld quality, can cause test specimen to fail.
Tips on Welding P91 Heavy Wall Pipe Technical Resource
The document provides instruction on how to weld P91 materials and what to avoid in order to ensure a sound weld.
Sources of Technical Information on Welding Technical Resource
The document provides links to a variety of sources that offer technical Information on welding.
Stringer Beads Amperages Technical Resource
The document provides a guideline on how to run straight stringer beads and how to set amperages using E7018, E8018 and E9018 series electrodes.
Suggested Filler Metals For SMAW Joints Technical Resource
The document is a table of suggested filler metals for SMAW process used to weld various base materials.
Radiograph Interpretation Technical Resource
The document helps readers develop an understanding of the types of defects found in weldments and how they appear in a radiograph.
Purge Tips Technical Resource
This document provides tips for purging various materials and pipe sizes. It also covers techniques for making purge dams and blocks.
Purge Flow Calculator Technical Resource
The Excel document calculates purge flow rates and provides examples.
Steel Pipe Fitting Data Technical Resource
This Excel file provides dimensional information for products such as fittings, pipes, angle, channel, bolts and more.
Choosing the Right Cup Size for TIG Welding Technical Resource
This document outlines factors to consider when selecting proper cup size for TIG welding and how to measure a cup size.
How to Take a Weld Test Technical Resource
This document from the United Association provides tips to assist welders in preparing for and taking a weld test.
How to Grind, Cut & Prepare Tungsten Welding Electrodes Technical Resource
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.
Basic Model Piping Specification Technical Resource
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.