Adamite rolls, also known as adamic rolls, are a type of cast iron roll used in various industrial processes, particularly in rolling mills. These rolls are named after the material they are primarily composed of, which is adamite. Adamite is an alloy steel containing elements like nickel and chromium, contributing to its hardness and wear resistance.

The main characteristics and advantages of adamite rolls include:
1.High Hardness: Adamite rolls are known for their high hardness, which makes them suitable for withstanding the wear and tear associated with the rolling process.
2.Good Heat Resistance: They exhibit good resistance to thermal fatigue and can handle the high temperatures generated during rolling operations.
3.Wear Resistance: The alloy composition, including elements like chromium, contributes to the rolls' wear resistance, making them durable for extended periods of use.
4.Moderate Toughness: While adamite rolls are hard, they also possess a certain level of toughness, allowing them to withstand the mechanical stresses associated with rolling processes.

Chemical Composition

Code	C	Si	Mn	Cr	Ni	Mo
AD140 I	1.30-1.50	0.30-0.80	0.70-1.20	0.80-1.20	0.50-1.20	0.20-0.70
AD160 I	1.50-1.70	0.30-0.80	0.80-1.30	0.80-2.00	0.50-2.00	0.20-0.70
AD180-AD200	1.70-2.10	0.30-0.80	0.60-1.20	0.80-3.50	0.50-2.50	0.30-0.80
GT	1.40-1.60	0.30-0.80	1.00-2.00	1.00-2.00	1.00-2.00	0.40-1.00

 Technical Specification

Code	Hardness      HS	Tensile Strength Mpa	Elongation    %	Dimension mm	Weight         kg
AD140 I	35-50	650-750	≥1.0	1600	30000
AD160 I	40-60	550-650	≥1.0
AD180-AD200	45-65	450-600	≥0.5
GT	50-60	690-850	≥0.5

 

These rolls are commonly used in hot rolling mills, where they are subjected to the high temperatures and mechanical stresses of shaping metal into various forms, such as sheets, bars, or rails. It's worth noting that advancements in materials and technologies may lead to the use of alternative roll materials in certain applications.