Introduction
Stainless steel has been a popular metal for many years for its corrosion resistance, strength, and durability. From 1995 to 1998, the varieties of stainless steel available increased significantly, due to advancements in technology and the development of new alloys. In this article, we will discuss the changes in stainless steel variety structure during these four years, including new developments, product features, and market trends.
1995 Overview
In 1995, there were a wide variety of stainless steel grades available for all kinds of applications. The most common grades were austenitic stainless steels, such as 304L, 316L, and 316Ti. These steels provided excellent corrosion resistance and were very popular in the food, medical, and chemical processing industries. Ferritic stainless steels, such as 430 and 444, were also widely used, especially in automotive and kitchenware applications. Martensitic and precipitation-hardening stainless steels, such as 410 and 17-4PH, were used for fasteners and other parts requiring a high strength and corrosion resistance.
1996 Overview
1996 was an important year for stainless steel. With the development of new alloys, the range of stainless steel grades available was expanded. Super-austenitic stainless steels such as AL-6XN and 254 SMO were developed to provide increased resistance to chloride-induced corrosion. Duplex stainless steels, such as 2205 and LDX2101, were developed for higher strength and improved formability. Martensitic and precipitation-hardening stainless steels, such as 420 and 17-4PH, were also improved with increased hardness and strength.
1997 Overview
In 1997, there were further developments in stainless steel alloy technology. Lean duplex stainless steels, such as 2101 and 2304, were developed for improved formability and weldability. High-temperature stainless steels, such as 309S/347S and 310S/321S, were developed for applications in heat-treating and chemical processing. Superferritic stainless steels, such as 800H and 800HT, were developed for improved corrosion resistance at higher temperatures.
1998 Overview
In 1998, several new stainless steel grades were developed to meet the ever-growing needs of industry. High-strength stainless steels, such as 17Cr-4Ni and XM-27, were developed for corrosion-resistant fasteners and springs. Supermanganese grades, such as 2205M and 2507M, were developed for improved corrosion resistance and weldability. Superaustenitic stainless steels, such as AL-6XN, were also developed for improved resistance to chloride-induced corrosion.
Conclusion
From 1995 to 1998, the availability of stainless steel grades increased significantly, due to advancements in technology and the development of new alloys. New grades such as super-austenitic and duplex stainless steels, lean duplex and superferritic stainless steels, high-temperature and high strength stainless steels, and supermanganese grades were all developed during this period. These new grades were designed to meet the diverse needs of various industries and provide improved corrosion resistance and strength.
