Scleroderma refers to a group of rare chronic autoimmune diseases in which the skin and connective tissues tighten and harden; it is a progressive disease. The skin and connective tissues are fibers that make up the framework that supports the body.
Advantages of Carbon Steel compared to other Metals. 1) Faster heating effect. For kitchen use this is especially important as it saves time and reduces the amount of energy used. Stainless Steel, on the other hand, is known to be a poor conductor of heat.
Carbon steels can be further categorized into three groups depending on their carbon content: 1  Low Carbon Steels/Mild Steels contain up to 0.3% carbon. 2  Medium Carbon Steels contain 0.3 â 0.6% carbon. 3  High Carbon Steels contain more than 0.6% carbon.