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.

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Quality Achievements

ISO9001:2015

Lab Accreditation

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.