Bethlehem Steel

About: Bethlehem Steel is a based out in . It is known for research contribution in the topics: Coating & Corrosion. The organization has 1529 authors who have published 1559 publications receiving 19098 citations. The organization is also known as: Bethlehem Steel Corporation.

Determination of total nitrogen in solution in Fe-Mn-N alloys by internal friction

Abstract: The internal friction of 22 Fe-Mn-N alloys with 0 to 2 pct Mh and 23 to 170 ppm N was measured at 1 Hz and temperatures between 220 and 525 K. The Snoek spectra were resolved into sets of Debye peaks of heightp i. This resolution was accomplished with five independent sets of Debye parameters (number of peaks, activation energies, and peak temperatures), which were obtained from the literature. The five resulting sets ofp i were correlated with the chemically determined nitrogen (Nch) by multiple regression analyses. A high degree of correlation was obtained with all five sets of parameters. For ease of calculation, we recommend resolving the spectra into the three Debye peaks determined by Couper and Kennedy. The regression equation obtained by applying these parameters was Nch (ppm) = 11.9 + 2.33p 1 + 0.83p 2 + 0.75p 3 with a standard error of estimate of 6.8 ppm. The first term on the right-hand side was interpreted as nitrogen precipitated by traces of refractory metals. The sum of the last three terms on the right was interpreted as the total nitrogen in solution. A procedure for determining total nitrogen in solution in Fe-Mn-N alloys is recommended and described in detail.

Horizontal and vertical roll force measuring system

Abstract: One set of four extensometers bolted onto opposite faces of two mill posts of a universal rolling mill stand are responsive to a total site strain caused by simultaneous application of horizontal- and vertical-roll forces in the mill stand. Extensometer output signals are corrected individually for a variable zero drift component. The four zero-corrected signals are resolved to provide simultaneous indications of sum and differences of horizontal-roll forces in the two mill posts, the same indications for the vertical-roll forces, and selective individual site and post strains.

Fluid sampling device

Abstract: A sample bottle for obtaining fluid samples to be chemically analyzed is provided with a sampling valve at each end to open and close the bottle. The sampling valve is connected to the bottle by an adapter which together with a bushing forms a continuous passageway. A hollow sampling stem for conveying fluid moves within the passageway between an open and closed position, and an indicator is provided to indicate when the valve is open or closed.

Automatic water strainer

Abstract: My invention relates in general to a new and improved straining apparatus for fluids, and more particularly to an automatic self-cleaning water strainer or filter. Mechanical water strainers of all types tend to clog easily and require thorough cleansing of their filter surfaces at more or...