Commercial Steel Treating Corporation, ©2018
Printed on November 18, 2018 3:56 am

CSTC News

Curtis Thermal Processing (CTP) was built in 2009 and is a wholly-owned heat treat facility of Commercial Steel Treating. CTP is located less than one mile from our Curtis Metal Finishing plant in Machesney Park Illinois.

CTP Pic

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Quality Achievements

Statement of Limited Liability
MTI Statement of Limited Liability

Quality

Our Laboratory is staffed 24 Hours, Seven days per week with degreed Metallurgical Engineers. We are registered to ISO9001:2015 and A2LA Laboratory Accreditation.

Laboratory Capabilities Include:

  • Wet Cutoff Machines
  • Sample Mounting Units
  • Rough and Fine Polishing Equipment
  • Metallurgical Microscope (1000x)
  • Hardness Testing Equipment (Standard Superficial & Micro Hardness)
  • Fastener Tensile Testing Equipment

Accredited Hardness Testing Methods

  • Hardness Rockwell (B, C, N) - ASTM E18
  • Fastener (internal / external threads) - ASTM F606, F606M (sections 3.1, 4.1, 5.2, 6.1)
  • File Hard - SAEJ864
  • Micro hardness (Knoop) - ASTM E384
  • Tensile & Axial & wedge - ASTM F606, F606M (sections 3.4 & 3.5)

Metallographic Evaluation

  • Preparation - ASTM E3, SAE J423
  • Carburization/decarburization - GM 6104M, SAE J121, J423 (section 6.3)
  • Microstructure/case depth - GM 6104M, SAE J121, J419, J423.