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Updated Standard | API 20N, 1st Edition
3/26/2020

The latest standard specifies requirements for the qualification of suppliers of continuous line heat treatment services used in the manufacture of equipment for the petroleum and natural gas industries. The requirements of this standard apply to continuous and semi-continuous heat treatment operations that can establish or affect the final mechanical properties and is applicable to products in tubular, bar, plate, forgings, castings and upset forged forms.

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