Commercial Steel Treating Corporation, ©2010
Printed on July 31, 2010 10:23 am

CSTC News

We are very excited to announce the opening of Curtis Thermal Processing in Machesney Park, IL. CTP has the ability to neutral harden approximately 250,000 pounds of fasteners and stampings per day

CTP Pic

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Quality Certifications

This page contains PDF images of our Quality Certifications. You can right click the image or link below and select "Save Link As" and then choose where to save the file.

ISO9001:2000 CertificationISO 9001:2000

ISO is the short name for the International Organization for Standardization, a worldwide organization whose goal is to promote the development of standardization to facilitate the international exchange of goods and services. ISO sets operational and quality control standards for businesses in over 125 countries around world.

A2LA Scope and Certification A2LA Scope of Compliance & Accreditation: Mechanical Testing

The American Association for Laboratory Accreditation and Scope of Accreditation to ISO/IEC 17025-2005.

American Association for Laboratory Accreditation is a non-profit organization dedicated to the formal recognition of competent testing and calibration laboratories, inspection bodies, proficiency testing providers and reference material producers.


Nadcap - Aerospace Quailty Systems Certification NADCAP Scope of Compliance & Accreditation: Aerospace Quality Systems
  • AC7004 Rev D Nadcap Audit Criteria for Inspection and Test Quality Systems.





Nadcap - Heat TreatingNADCAP >Scope of Compliance & Accreditation: Heat Treating
  • AC7102 Rev C - Nadcap Audit Criteria for Heat Treating
  • AC7102/3 - Nadcap Audit Criteria for Carburizing
  • AC7102/4 - Nadcap Audit Criteria for Nitriding
  • AC7101/4 Rev C - Nadcap Audit Criteria for Materials Testing Laboratories Metallography and Microhardness.
  • AC7101/5 Rev B - Nadcap Audit Criteria for Materials Testing Laboratories Hardness.