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12L14 steel is a resulfurized and rephosphorized low-carbon steel known for its excellent machinability. It's a free-cutting steel, meaning it's designed to be easily machined at high speeds with...

1215 is considered a free machining steel, having excellent machinability due to its added sulfur, phosphorus. It's also ideal for parts that require heavy machining and bright finishes. Due to its...