Modern Cast Iron Technology & Carburizer Selection Guide

Advanced cast iron processes (induction furnace, AI-controlled alloy design) demand high-performance carburizers for optimal carbon recovery. Key considerations:

1. Selection Criteria:

• Fixed carbon ≥98.5%, sulfur ≤0.03% (minimize slag inclusion)

• 1-5mm granularity (uniform dissolution)

• Graphitized petroleum coke preferred (20% higher efficiency)

2. Usage Protocols:

• Add in batches at 1400-1500℃ (avoid direct high-temperature exposure)

• Mix thoroughly with scrap steel

• Store in dry, dark conditions; use within 72hrs after opening

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