MATERIAL SAFETY DATA SHEET

I GENERAL INFORMATION

Identity: HOT ROLLED BARS Revision _________

Synonyms: ________________ Date: August 31, 2007

Family: Inorganic Compounds MSDS #__________________

Manufacturer's Name: CMC STEEL SOUTH CAROLINA

Manufacturer's Address: P.O. BOX 2005 – 310 New State Rd.

CAYCE , SOUTH CAROLINA 29171

Information Telephone Number: 803-936-3700

Emergency Telephone Number: 803-936-3700 Safety Office Extension 3716

II HAZARDOUS CONSTITUENTS

Constituent	OSHA PEL (mg/M3)	ACGIH TLV (mg/M3)	% Range	CAS #
Aluminum: Fume As dust Carbon Not Listed Chromium Soluble Cr Salts Metal Copper: As dust As Fume Iron: Iron Oxide Fume Molybdenum: Fume Nickel: Metal Soluble Ni compounds Manganese: Fume Phosphorus Yellow Phosphorus Silicon: Dust Sulfur: Sulfur Dioxide	5.0 5.0 --- 0.5 1.0 1.0 0.1 10.0 0.1 1.0 1.0 1.0 0.1 15.0 13..0	5.0 --- --- 0.5 0.5 1.0 0.2 --- 0.2 1.0 1.0 1.0 --- --- 5.0	.001-.100 .01-1.10 .05-.90 .10-1.0 98-99 .01-.15 .05-.75 .25-1.65 .06 max .08-.50 .001-.08	7429-90-5 7440-44-0 7440-47-3 7440-50-8 7439-89-6 7439-98-7 7440-02-0 7439-96-5 7723-14-0 7440-21-3 7446-09-5

III PHYSICAL AND CHEMICAL CHARACTERISTICS

Boiling Point: ±5000 ^oF Melting Point : Approx. 2500^o F

Vapor Pressure: N/A Specific Gravity : (H₂0 = 1) 2-8.2 (mm Hg)

Vapor Density: N/A Evaporation Rate: N/A - (Air = 1)

(Butyl Acetate = 1)

Solubility in Water: Insoluble

Appearance and Odor: Dark gray, odorless, metal.

IV FIRE AND EXPLOSION DATA

Flash Point: Not Flammable LEL: N/A

Extinguishing Media: N/A UEL: N/A

Special Fire Fighting Procedures: N/A

Unusual Fire and Explosion Hazards: N/A

V REACTIVITY DATA

Stability: Stable

Conditions to avoid: N/A

Incompatibility: Strong acids

Hazardous decomposition or byproducts: Hydrogen gas.

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VI HEALTH HAZARD DATA

Routes of Entry Inhalation: Yes

Skin: No

Ingestion: Yes

Eye contact: Yes

HEALTH HAZARDS:

Effects of overexposure: No toxic effects would be expected from inert solid form.

Inhalation of metal dust and fumes may result from further

processing of the material by the user, particularly during welding, burning, cutting, grinding, and machining activities.

Acute: Short term intensive exposure to dust may result in irritation to eyes, mucous membranes and respiratory tract. Steel recently produced may be extremely hot.

Chronic: Severe pneumonitis, pulmonary diseases.

Carcinogenic: NTP: nickel, chromium

IARC: nickel, chromium

OSHA: none

Signs and Symptoms

of Exposure: Nausea, tightness of chest, fever, irritation of eyes, nose, throat and skin.

Medical Conditions

Generally Aggravated

By Exposure: Chronic lung disease, allergic conditions.

Emergency and First Aid: Standard first aid procedures- remove to fresh air.

Procedures

VII PRECAUTIONS FOR SAFE HANDLING AND USE

Steps To Be Taken In Case of Release or Spill: N/A

Waste Disposal Method: Material should be reclaimed for re-use; follow local, State, & Federal solid waste disposal requirements.

VIII CONTROL MEASURES

Respiratory Protection: Dust/fume respirator.

Local Exhaust: As required to meet PEL.

Protective Gloves: As needed based on operations.

Eye Protection: As needed.

Other Protective

Clothing or Equipment: May be needed for grinding. Heat resistant face protection, clothing, boots and/or gloves may be necessary.