Turkmenistan standards PDF

Nondestructive Examination Services for Equipment Used in the Petroleum and Natural Gas Industry. Original standard API St 20D-2013 add 1-2016 in PDF full version. Additional info + preview on request

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Qualification of Nondestructive Examination Services for Equipment used in the Petroleu. Original standard API St 20D-2019 in PDF full version. Additional info + preview on request

Document status: Replaced by St API St 20D-2025

Qualification of Nondestructive Examination Services for Equipment used in the Petroleum and Natural Gas Industry. Original standard API St 20D-2025 in PDF full version. Additional info + preview on request

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Welding Services for Equipment used in the Petroleum and Natural Gas Industry. Original standard API St 20G-2020 (2025) in PDF full version. Additional info + preview on request

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Qualification of Distributors of Metallic Materials for Use in the Petroleum and Natura. Original standard API St 20J-2017 in PDF full version. Additional info + preview on request

Document status: Replaced by St API St 20J-2022

Qualification of Distributors of Metallic Materials for Use in the Petroleum  and Natural Gas Industries. Original standard API St 20J-2017 (2020) in PDF full version. Additional info + preview on request

Document status: Active