API St 20M-2017 pdf download

API St 20M-2017 pdf download

API St 20M-2017 pdf download.Qualification of Suppliers of Machining Services for Use in the Petroleum and Natural Gas Industries.
1 Scope This API standard specifies requirements for the qualification of suppliers of machining services where API product standards require such services or are otherwise specified as a requirement for compliance. Compliance with this standard is not required to demonstrate compliance with any other API standard or specification. This API standard establishes the requirements for three machining qualification levels (MQL 1, MQL 2, and MQL 3). These three MQL designations define different levels of quality and qualification requirements. These MQLs are numbered in increasing levels of requirements in order to reflect increasing quality and qualification criteria. Final assembly, component testing (e.g. nondestructive examination, pressure testing) or a broker of machining services are outside the scope of this standard. This standard applies when specified by the customer or voluntarily followed by the machining services supplier. NOTE This standard does not limit the responsibility of any manufacturer of commercial products utilizing machined parts and manufactured to an API standard from its responsibility for compliance with all applicable requirements of that API standard. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. API Specification Q1, 9 th Edition, Specification for Quality Management System Requirements for Manufacturing Organizations for the Petroleum and Natural Gas Industry API Standard 20D, Nondestructive Examination Services for Equipment Used in the Petroleum and Natural Gas Industry API Standard 20H, Heat Treatment Services—Batch Type for Equipment used in the Petroleum and Natural Gas Industry ANSI 1 /NCSL Z540.3, Requirements for the Calibration of Measuring and Test Equipment
3.1.10 plating Application of a material by chemical or electrochemical processes to surfaces of a component where resulting conformance determination requires more than visual inspection. 3.1.11 qualification (verb) A process to demonstrate the ability to fulfill specified requirements. 3.1.12 receiving verification The process of ensuring the product received meets requirements. 3.1.13 record A document stating results achieved or providing evidence of activities performed. 3.1.14 remote technical assessment A technical assessment of capabilities performed using a method other than on-site audit. NOTE This includes but is not limited to a checklist or a survey. 3.1.15 rework The use of machining services to restore the product to specification requirements. 3.1.16 self-certified Demonstration by a person or supplier of machining services that specified requirements are fulfilled. 3.1.17 support service Services, internal or external, that could directly impact product quality or the final product. NOTE Examples of support services are machining, programming, inspection, and packaging. 3.1.18 technical audit An audit that evaluates requirements of specifications and/or specified requirements against a machining services supplier’s practices and/or capabilities. 3.1.19 traceability The ability to verify the history and delivery location of an item by means of documented record identification.
4 Machining Services Supplier Qualification 4.1 Minimum Requirements Facilities and Equipment 4.1.1 In order to conform to this standard, the machining services supplier shall have the following on-site facilities at a minimum: — building or enclosure; — machining services; — handling and lifting equipment appropriate for the machining service; and — inspection equipment adequate for the characteristics being inspected. Activities 4.1.2 The machining services supplier’s facility shall have the on-site equipment and personnel to perform the following required activities: a) receiving verification; b) machining; c) marking; and d) final inspection. 4.2 Machining Quality Levels (MQL) General 4.2.1 Three machining services supplier quality levels—MQL 1, MQL 2 and MQL 3—are defined in this standard. Table 1 provides a reference of the requirements from this standard that a machining services supplier shall meet for the corresponding MQL. MQL 1 Machining Services Supplier 4.2.2 The base level of qualification to ensure that the machining service provided meets specific customer and industry requirements is MQL 1. A MQL 1 machining services supplier, at a minimum, shall have a self- certified quality management system.

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