stainless steel metal plate /416 plate stainless steel

Type 416 stainless is a martensitic, free machining stainless steel. It is treated with hot working, which gives it elevated strength and hardness. I416 stainless has the highest machinability of any stainless steel. One of the first free-machining stainless steels ever developed, 416 offers considerable flexibility in machining applications. The addition of manganese-rich sulfides evenly distributed throughout the steel provides a natural lubricant, preventing build-up on cutting tools during the machining process. The additives also act as chip breakers, substantially increasing machining rates to 85%. Free machining steel like 416 allows for faster speeds and feeds and an overall increase in cutting tool life.

The crystalline structure of stainless steel can be altered when the material is brought to an extremely high temperature, then cooled at a specific rate. AISI 416 is one of the most common alloys to undergo this process to permanently alter its physical condition. The benefit of heat treating stainless grades of 410 or above is the ultimate increase in the material hardness. Cutting tools, for example, made from material that has been heat treated, is strong enough to resist breaking or warping during use. To harden 416, the metal must be heated to a minimum of 1400°F followed by quenching and cooling. Tempering is often a final step to reduce brittleness.

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