The American Iron and Steel Institute (AISI) classification system has designated the letter ‘P’ to refer to mold steels or Group P steels. The main alloying elements in the mold steels are chromium and nickel.
According to the AISI classification system, low alloy special-purpose steels are designated Group L steels. Low alloy special-purpose steels contain small quantities of chromium, nickel, vanadium, and molybdenum. In the past, the low alloy special-purpose steels comprised seven grades of steels.
Hot work tool steels are steels capable of withstanding high abrasion, heat and pressure conditions that prevail in manufacturing units that perform processes such as forming, shearing and punching of metals at high temperatures of 480 to 760°C.
By Reginald Davey
9 Jul 2012
High-speed steels are tool steels that find applications in high-speed cutting tools. Tungsten high-speed steels (group T) and molybdenum high-speed steels (group M) are two types of high-speed steels. These two groups of high-speed steels have similar hardening abilities and other characteristics.
Cold work tool steels are high carbon steels containing smaller amounts of manganese, tungsten, molybdenum, and chromium. These steels have high carbon content and adequate amount of alloying elements, thus achieving better hardness when oil- quenched.
Cold-work tool steels are steels with a high carbon content and relatively low amounts of chromium, molybdenum, tungsten and manganese. Cold-work tool steels can be used between 205 and 260°C (400 to 500°F) as they have low softening resistance at elevated temperatures.
Shock-resisting tool steels are among the strongest tool steels. They are designated as group S steels according to the AISI classification system. These steels include the S1, S2, S5, S6, and S7 type steels. The hardenability of group S steels vary from shallow hardening to deep hardening.
Tool steels are a group of high quality steels that are used in the production of tools.
One of the most common issues in High-tech manufacturing industries involves the outgassing characteristics of adhesives.
ASTM A36 is the most commonly used mild and hot-rolled steel. It has excellent welding properties and is suitable for grinding, punching, tapping, drilling and machining processes.