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Carbon and Alloy Steels <br />products to determine if it represents a fire or explosion hazard and to determine appropriate protection <br />methods. Avoid breathing dusts or fumes. <br />8. EXPOSURE CONTROLS/PERSONAL PROTECTION <br />Operations with potential for generating high concentrations of airborne particulates or fumes should be <br />evaluated and controlled as necessary. <br />Eye Protection - Use safety glasses. Dust resistant safety goggles are recommended under circumstances <br />where particles could cause mechanical injury such as grinding or cutting. Face shield should be used when <br />welding or cutting. <br />Skin - Appropriate protective gloves should be worn as necessary. Good personal hygiene practices should <br />ba followed including cleansing exposed skin several tim as daily with soap and water, and laundering or dry <br />cleaning soiled work clothing. <br />Respiratory Protection - NIOSH/MSHA approved dust/fume/mist resplmtor should be used to avoid <br />excessive exposure. See Section 3 for component material information exposure limits. if such <br />concentrations are sufficlently high that this respirator is inadequate, or high enough to cause oxygen <br />deficiency, use a positive pressure self-contained breathing apparatus (SCBA). Follow all applicable <br />respirator use, fitting, and training standards and regulations, <br />Ventilation - Provide general and/or local exhaust ventilation to control airborne levels of dust or fumes below <br />exposure limits. <br />Exposure Guidelines -No permissible exposure limits (PEL) or threshold limit values (TLV) exist for steel. See <br />Section 3 for component materials. Various grades of steel will contain different combinations of these elements. <br />Trace elements may also be present in minute amounts <br />8. PHYSICAL AND CHEMICAL PROPERTIES <br />Appearance and Odor -- Silver grey to grey black with metallic luster <br />Boiling Point - Not applicable <br />Metting Point - Approximately 2600 OF <br />pH - Not applicable <br />Specific Gravity (at 15.6°C) - Not applicable <br />Density (at 16.6 °C) - Not applicable <br />Vapor Pressure - Not applicable <br />Vapor Density (air = 1) - Not applicable <br />% Volatile, by Volume - Not applicable <br />Solubility in Water - Insoluble. <br />Evaporation Rate (Butyl Acetate = 1) - Not applicable <br />Other Physical and Chemical Data - None <br />10. STABILITY AND REACTIVITY <br />Stability - Stable <br />Conditions to Avoid - Steel at temperatures above the melting point may liberate fumes containing oxides <br />of iron and alloying elements. Avoid generation of airborne fume. <br />Hazardous Polymerization - Will not occur. <br />Incompatibility (Materials to Avoid) - Reacts with strong acids to form hydrogen gas. Do not store near <br />strong oxidizers. <br />Hazardous Decomposition Products - Metallic fumes may be produced during welding, burning, grinding, <br />and possibly machining or any situation with the potential for thermal decomposition. Refer to ANSI 749,1 <br />11. TOXICOLOGICAL INFORMATION <br />The primary component of this product Is Iron. Long-term exposure to iron dusts or fumes can result in a <br />condition called siderosis which is considered to be a benlgn pneumoconiosis Symptoms may include <br />chronic bronchitis, emphysema, and shortness of breath upon exertion. Penetration of iron particles in the <br />skin or eye may cause an exogenous or ocular siderosis which may be characterized by a red -brown <br />Page 5 of 8 Revision Date: 12/23/2014 <br />