Iron and Steel Industries in the Twentieth Century

Introduction:
The Iron and Steel industry is one of the oldest and most important industries. It has played a significant role in the growth and development of the modern world. The industry has gone through many changes and improvements over the years.

Nineteenth Century:
The nineteenth century was a period of significant growth and development in the iron and steel industry. The development of the Bessemer process in the 1850s was a significant milestone in the history of the industry. This process allowed for the mass production of steel at a lower cost than ever before.

Eighteenth Century:
The eighteenth century saw the emergence of the iron industry. The use of coke instead of charcoal in the smelting process was a significant development during this period. This allowed for the production of iron on a larger scale.

Twentieth Century:
The twentieth century saw the iron and steel industry reach new heights. The development of new technologies and the use of automation allowed for the production of steel on an unprecedented scale. The industry continued to grow and expand throughout the century, with new markets and opportunities emerging.

Conclusion:
The iron and steel industry has played a significant role in the growth and development of the modern world. The industry has gone through many changes and improvements over the years, with the twentieth century being a period of significant growth and development. The industry continues to evolve and adapt to new challenges and opportunities.

It was established in 1907.thats why the answer is 20th century