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8670 Information & Composition

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This steel is used extensively in the lumber industry for making large circular saw blades.

The nickel add toughness and there is enough carbon for good edge holding. There is not enough nickel to make a good shiny layer in damascus.

Think of 8670 as an improved version of 5160, better toughness and edge holding.

15N20 and 5160 are shown in the table above for comparison purposes.


8670 Heat Treating Information:


8670 Heat Treating Services:


Peters Heat Treating

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Blade Steel Information & Composition

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