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Refined Products for Enhanced
Metallurgical Processes

At Larpen Metallurgical Service, we take pride in offering a wide array of products under our esteemed GRAPH-HEX brand, each meticulously crafted to meet the diverse needs of the metallurgical industry. Navigate through our extensive product range, designed with precision and a commitment to quality, ensuring optimal solutions for your specific applications.

GRAPH-HEX®: Economical High-Quality Carbon Additive

Pioneering Excellence in Recarburizers

In the early 2000s, our expertise paved the way for the development of GRAPH-HEX®, a product designed to be an economical source of high-quality recarburizers for the foundry and steel industries. Leveraging our global sourcing capabilities for the highest quality raw materials, state-of-the-art manufacturing facilities, and stringent quality control, we ensure our customers receive the most cost-effective, high-quality carbon additive available.

GRAPH-HEX® encompasses a comprehensive range of recarburizers, utilized extensively across the Iron and Steel industry, with the flexibility to be specifically designed according to individual customer needs. With a product line boasting over fifty products and sulfur contents ranging from as little as 0.02% to 0.2%, GRAPH-HEX® stands as a testament to quality and adaptability.

Advantages of GRAPH-HEX® Products:

  • High Carbon Recovery
  • Rapid Dissolution
  • Consistent Quality
  • Low Ash
  • Minimal Sulfur, Nitrogen, and Hydrogen
  • Reliable Performance
  • Economical Savings
  • Reduced Carbon Consumption, Tap-to-Tap Time, and Scrap Rate

Low Sulfur Pet Coke: Optimizing Charge Carbon for Gray Iron Casting

Tailoring Petroleum Cokes for Diverse Applications

Larpen Metallurgical Service produces a spectrum of low to medium sulfur petroleum cokes, with sulfur content ranging from 0.35% – 4.0%. These products are meticulously crafted to serve as a charge carbon for gray iron casting, ensuring optimal performance and quality in each application. Our low sulfur pet coke not only adheres to stringent quality standards but also ensures that your casting processes are conducted with enhanced efficiency and reliability.

Silicon Carbide: Distributing Superior Quality Carbolon MA

Ensuring Premium Quality with Carbolon MA 90% Silicon Carbide

As a distributor of Carbolon MA 90% silicon carbide from Washington Mills, Larpen Metallurgical Service stands at the forefront of providing premium quality materials for your metallurgical needs. Silicon Carbide, known for its stability and robustness, ensures you are equipped with materials that promise excellent performance, durability, and efficiency in various metallurgical applications. Trust in Larpen to provide you with silicon carbide products that elevate your processes and outcomes.


Empower Your Industry with High-Quality Graphite and Carbon Additives!