
API STD 612
API STD 612: Petroleum, petrochemical and natural gas industries—Steam turbines—Special-purpose Applications
CDN $521.00
This publication was last reviewed and confirmed in 2026.
Description
Specifies the minimum requirements for steam turbines for special-purpose applications for use in the petroleum, petrochemical, and natural gas industries. These requirements include basic design, materials, fabrication, inspection testing, and preparation for shipment. It also covers the related lube oil systems, instrumentation, control systems, and auxiliary equipment. It is not applicable to general-purpose steam turbines, which are covered in API 611.
Edition
8
Published Date
2025-09-26
Status
Reaffirmed
Pages
199
Format 
Secure PDF
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Abstract
Specifies the minimum requirements for steam turbines for special-purpose applications for use in the petroleum, petrochemical, and natural gas industries. These requirements include basic design, materials, fabrication, inspection testing, and preparation for shipment. It also covers the related lube oil systems, instrumentation, control systems, and auxiliary equipment. It is not applicable to general-purpose steam turbines, which are covered in API 611.
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