What do you do when the steel mill closes?

The history of Krupp is the history of modern Germany. No company symbolized the best and worst of that history more than the famous steel and arms maker. This book tells the story of the Krupp family and its industrial empire between the early nineteenth century and the present, and analyzes its transition from a family business to one owned by a nonprofit foundation. Krupp founded a small steel mill in 1811, which established the basis for one of the largest and most important companies in the world by the end of the century. Famously loyal to its highly paid workers, it rejected an exclusive focus on profit, but the company also played a central role in the armament of Nazi Germany and the firm's head was convicted as a war criminal at Nuremberg. Yet after the war Krupp managed to rebuild itself and become a symbol of Germany once again—this time open, economically successful, and socially responsible. This book presents a balanced account, showing that the owners felt ambivalent about the company's military connection even while becoming more and more entangled in Germany's aggressive politics during the imperial era and the Third Reich. By placing the story of Krupp and its owners in a wide context, this book also provides new insights into the political, social, and economic history of modern Germany.

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ACI TYPE HP

Alloy Digest ◽

10.31399/asm.ad.ss0307 ◽

1975 ◽

Vol 24 (3) ◽

Keyword(s):

Stainless Steel ◽

Corrosion Resistance ◽

Sigma Phase ◽

Heat Treating ◽

Steel Mill ◽

Temperature Performance ◽

Formation Type ◽

Rupture Properties ◽

Roll Service ◽

Iron Chromium

Abstract Type HP is an iron-chromium-nickel alloy with a combination of elements that makes it resistant to both oxidizing and carburizing atmospheres at high temperatures. The alloy has good creep-rupture properties in the 1800-2000 F temperature range. It has an austenitic structure at all temperatures, thus it is not susceptible to embrittlement from sigma phase formation. Type HP was developed for rugged steel-mill furnace-roll service; no comparable wrought alloy exists. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-307. Producer or source: Stainless steel foundries.

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Optimization Design on Power Filter of TCR Under Asymmetrical Voltage

The Open Electrical & Electronic Engineering Journal ◽

10.2174/1874129001509010591 ◽

2015 ◽

Vol 9 (1) ◽

pp. 591-599

Author(s):

Ma Wenchuan ◽

Zhitong Li ◽

Chen Daochang ◽

Qi Jiaming ◽

Zhou Qiang ◽

...

Keyword(s):

Optimization Design ◽

Reactive Power ◽

Estimation Method ◽

Reactive Power Compensation ◽

Harmonic Suppression ◽

Matlab Simulation ◽

Steel Mill ◽

Harmonic Current ◽

Third Harmonic ◽

Power Filter

For resolving the problem that power filter cannot work normally because TCR (thyristor controlled reactor) generates extra third harmonic current under asymmetrical voltage, the paper proposes the estimation method of current capacity that TCR generates extra third harmonic current under asymmetrical voltage. Considering extra third harmonic current under asymmetrical voltage, Optimum method based on genetic algorithm is used to design the parameters of power filter. With reactive power compensation and harmonic suppression project of a steel mill as example, the proposed method is simulated by Matlab. Simulation results show optimized power filter can eliminate extra third harmonic current effects under asymmetrical voltage, meet the requirement of reactive power compensation, reduce harmonics current that load injects into system, and guarantee the power filter safe operation under asymmetrical voltage.

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