Heat Treating Bodies of Knowledge

: The Heat Treating Review Board has developed a series of Bodies of Knowledge which for the first time capture the knowledge, skills and experience required by personnel operating heat treatment furnaces for the processing of aerospace parts. To download the Bodies of Knowledge free of charge simply click on the links below.

Aluminum Alloys

: Aluminum Alloys – Operator
The Operator (OP) Level represents the foundational, hands‑on role responsible for performing titanium alloy heat treatment operations. Operators are expected to execute processes safely, accurately, and consistently while following internal work instructions, customer requirements, and applicable aerospace specifications.Download Now
Aluminum Alloys – Planner
An Aluminum Alloys Planner is the technical authority responsible for creating and controlling heat treatment instructions that ensure aluminum products are processed in compliance with customer requirements, aerospace industry standards, and quality system requirements.Download Now
Aluminum Alloys – Owner
The Aluminum Alloys Service Owner is the technical and managerial authority for aluminum heat-treatment operations. This role requires deep expertise in aerospace heat-treatment specifications (AMS2770, AMS2771, AMS2772, AMS2750), quality systems, pyrometry, testing, documentation, personnel qualification, and compliance management. Beyond technical knowledge, the Owner is responsible for leadership, oversight, risk evaluation, and ensuring the organization consistently produces conforming aerospace productsDownload Now

Carbon and Alloy Steel

: Carbon and Alloy Steel – Planner
A Heat Treat Planner is the technical authority responsible for converting customer, engineering, and specification requirements into compliant heat-treatment instructions while ensuring process control, product quality, pyrometry compliance, and aerospace regulatory adherence. The Heat Treat Planner translates customer, engineering, and specification requirements into compliant work instructions and process plans for aerospace heat treatment operations.Download Now

Pyrometry (Calibration and Test)

: Pyrometry Process – Operator AND Calibration and Test – Technician
Pyrometry Process Operator / Calibration and Test Technician is the entry-level qualified role responsible for performing pyrometry testing and calibration activities on thermal processing equipment in accordance with AMS2750 and related aerospace quality standards.Download Now
Pyrometry Calibration and Test – Planner
A Pyrometry Calibration and Test Planner is responsible for developing, controlling, and overseeing all pyrometry activities required to demonstrate compliance with AMS2750, Nadcap® AC7102/8, and customer-specific requirements.Download Now
Pyrometry Calibration and Test – Owner
The Pyrometry Calibration and Test Owner is the top-level authority responsible for managing, approving, and ensuring full compliance of all pyrometry activities at a site. They oversee personnel, maintain ISO/IEC 17025 accreditation (when required), approve calibrations and test results, evaluate SAT and TUS data, and ensure adherence to AMS2750, AC7102/8, and customer requirements.Download Now
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Pyrometry (Process)

: Pyrometry Process – Planner
A Pyrometry Process Planner is the technical compliance leader responsible for developing procedures, planning tests and calibrations, managing records, analyzing pyrometry data, and ensuring all thermal processing equipment meets AMS2750, Nadcap, and customer requirements. A Pyrometry Process Planner is responsible for planning, directing, documenting, and controlling pyrometry activities to ensure thermal processing equipment complies with AMS2750, Nadcap, customer, and quality system requirements.Download Now
Pyrometry Process – Owner
Owners must understand AS9100 Quality Systems, customer requirements, nonconformance management, and health, safety, and environmental standards (ISO14001, OHSAS18001). The Pyrometry Process Owner (OW) is the highest-level authority responsible for the management, oversight, technical leadership, and compliance of all pyrometry activities at a site. This role carries full accountability for ensuring pyrometric controls—including calibrations, System Accuracy Tests (SAT), Temperature Uniformity Surveys (TUS), sensor management, and data integrity—meet the requirements of AMS2750, AC7102/8, AS9100, and customer specifications.Download Now
PRI Qualification Approved Training Provider
PRI Training

Titanium Alloy

: Titanium Alloys – Operator
The Operator (OP) Level represents the foundational, hands‑on role responsible for performing titanium alloy heat treatment operations. Operators are expected to execute processes safely, accurately, and consistently while following internal work instructions, customer requirements, and applicable aerospace specifications.Download Now
Titanium Alloys – Planner
A Titanium Alloy Heat Treatment Planner is responsible for interpreting customer and aerospace specification requirements and converting them into compliant, detailed process instructions that ensure titanium heat treatment operations are performed safely, consistently, and in full compliance with aerospace quality and Nadcap requirements.Download Now
Titanium Alloys – Owner
A Titanium Alloy Heat Treatment Owner is the senior technical and managerial authority responsible for ensuring that titanium heat treatment operations are compliant, technically sound, properly controlled, auditable, and capable of consistently producing aerospace-conforming products. This role combines advanced metallurgical knowledge, quality system expertise, process leadership, personnel management, audit readiness, and regulatory compliance oversight.Download Now

Hardness and Conductivity Testing

: Hardness & Conductivity Testing - Operator
Operators perform hardness (Brinell, Rockwell, Vickers, Knoop) and electrical conductivity testing on metallic materials to verify heat‑treat condition and product compliance. They follow defined procedures, ensure equipment accuracy, maintain traceability, and document results.Download Now
Hardness & Conductivity Testing - Planner
The Planner is the technical individual responsible for converting customer, specification, and quality requirements into clear, accurate, and compliant work instructions for hardness and conductivity testing operations. The Planner serves as the link between engineering/customer requirements and the personnel performing the tests.Download Now

Stainless PH Steel

: Stainless & PH Steel – Operator
An Operator/Technician in aerospace heat treatment of stainless and precipitation-hardening steels is a qualified individual who safely performs heat-treatment processes, follows approved work instructions, operates furnaces and associated equipment, controls critical process parameters, maintains required records, and ensures compliance with aerospace specifications, pyrometry requirements, and quality standards to produce conforming product.Download Now
Stainless & PH Steel – Planner
The Planner is the intermediate competency level between Operator/Technician and Owner in the PRI Qualification Heat Treatment Body of Knowledge for Stainless and Precipitation Hardening (PH) Steels. The Planner is responsible for translating customer, specification, and quality requirements into clear, executable heat treatment work instructions while ensuring compliance with aerospace standards and process controls.Download Now
Stainless & PH Steel – Owner
The Owner Level represents the highest qualification level within the PRI Qualification Body of Knowledge for Heat Treatment of Stainless and Precipitation Hardening (PH) Steels. An Owner is expected to possess extensive technical expertise, broad industry experience, leadership capability, and accountability for the overall effectiveness and compliance of the heat treatment process.Download Now

Heat Resisting Alloys

: Heat Resisting Alloys – Planner
A Heat Treatment Planner for Heat Resisting Alloys is a technically qualified professional responsible for interpreting specifications and customer requirements, creating compliant heat treatment instructions, ensuring process and quality-system conformity, and managing the planning aspects of aerospace heat treatment operations for nickel- and cobalt-based alloys.Download Now

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: 1. Access Your Body of Knowledge
Download the Body of Knowledge (BoK) for your assessment for free to review the assessment criteria.Access Bodies of Knowledge
2. Prepare For Your Assessment
Self-study or prepare for an assessment by taking a training course with one of our helpful Approved Training Providers.Find Approved Training Providers
3. Complete Your Assessment
Validate your competency by successfully completing your PRI Qualification assessment to receive your certification.Complete Your Assessment

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INDUSTRY MANAGED PROGRAMS

TRAINING & QUALIFICATION

CERTIFICATIONS

CUSTOM SOLUTIONS

PRI Qualified Products Listing

Lubricant Review Institute

Brake Lining Qualification Program

AEROSPACE

AEROSPACE

Heat Treating Bodies of Knowledge

Aluminum Alloys

Carbon and Alloy Steel

Pyrometry (Calibration and Test)

Pyrometry (Process)

Titanium Alloy

Hardness and Conductivity Testing

Stainless PH Steel

Heat Resisting Alloys

Earn Your PRI Qualification

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