Content tagged with "p91"
Results: 5
Article
January 11, 2010
Small manufacturer, big heart
H & H Tube is one of those manufacturing companies that defies conventional descriptions. Its business model, its customer base, the products it makes, even many of the metals it fabricates are not in the mainstream. Although the company was founded in Detroit in 1930 to support a bedrock... Read more...
Article
January 6, 2010
No purge, no problem
Figure 1 The Gateway Energy and Coke Co. in Granite City, Ill., is a dual-use facility. It uses coal to produce coke for use in manufacturing steel, and the exhaust from this process produces steam to generate electric power. The main steam line, more than a half mile long, is made from... Read more...
Article
June 17, 2008
The lowdown on low-alloy filler metals
Chrome-moly pipe has become a standard in industries such as power generation, chemical processing, and petroleum refinement, not only for its corrosion resistance and high-temperature strength, but also for its cost-effectiveness. In many applications, it is a viable alternative to a more... Read more...
Article
March 13, 2003
Heating P91 boiler pipe
Insulating blankets are an integral part of induction heating equipment. After the pipe is heated to the proper temperature, the induction coil is removed and the pipe is welded. "Our turnaround time averages eight to 12 weeks, and that includes pipe made from P91 chrome-moly steel,"... Read more...
Article
January 16, 2003
Comparing materials for high-temperature steam piping
X20 was introduced in the 1950s in Germany and used in steam lines operating at temperatures of 530 degrees C and higher for fossil fuel-fired power generating sets of 150 megawatts and more. However, two factors limited its use: the extreme care needed for its fabrication and welding and... Read more...
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