About Larpen Metallurgical Service

GRAPH-HEXâ„¢ covers a complete range of carbon rizer used throughout the Iron and Steel industry. With the capability to specifically design products to individual customer needs our product line consists of over fifty products. GRAPH-HEXâ„¢ sulfur contents range to as little as 0.02% and up to 0.2%

GRAPH-HEXâ„¢ products offer the following advantages:

• High Carbon Recovery
• Rapid Dissolution
• Consistency
• Low Ash
• Low Sulfur
• Low Nitrogen
• Low Hydrogen
• Reliability
• Economical Savings
• Reduced Carbon Consumption, Tap-to-Tap Time, and Scrap Rate

Low Sulfur Pet Coke
Larpen Metallurgical Service produces low to medium sulfur petroleum cokes ranging in sulfur from 0.5% – 4.0%. These products are used as a charge carbon for gray cast iron.

Silicon Carbide
Larpen Metallurgical Service is a distributor of Carbolon MA 90% silicon carbide from Washington Mills.