API STD 20H-2020

$24.70

Heat Treatment Services-Batch Type for Equipment Used in the Petroleum and Natural Gas Industry

Published By	Publication Date	Number of Pages
API	2020	26

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Category: API

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Description

1 Scope

1.1 Purpose

This standard identifies requirements for heat treatment supplier qualification, processing, identification and traceability, and documentation of heat treatment services for use in the petroleum and natural gas industries when referenced by an applicable equipment specification.

1.2 Applicability

The requirements of this standard apply to batch heat treatment operations that establish or affect the final mechanical properties and include stress relief operations. This standard applies to carbon steel, low-alloy steel, stainless steel, and nickel-base alloys. Case hardening, induction hardening, and flame hardening are not covered by this standard.

NOTE This standard does not limit the responsibility of any manufacturer of commercial products using batch heat treating services and manufactured to an API standard from its responsibility for compliance with all applicable requirements

of that API standard.

1.3 Heat Treatment Specification Levels (HSLs)

This standard establishes the requirements for three heat treatment specification levels (HSLs). These HSL designations define different levels of heat treatment technical, quality, and qualification requirements.

Additional information