Carbonitriding

Cincinnati Steel Treating offers carbonitriding services to a multitude of customers and industries. We can use one of our specialized furnaces that is certified to AMS 2750 to impart a hard/wear resistant carbonitrided case to any ferrous part.

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Carbonitriding Capabilities at CST

Integral Quench Furnace for Carburizing and CarbonitridingCincinnati Steel Treating (CST) has 5 furnaces that can be used for carbonitriding. All of these furnaces are capable of both carburizing and carbonitriding, and they all have internal oil quench tanks that allow the parts be quenched under atmosphere. The dimensions of the furnaces are shown

in the accompanying table. Carbonitriding is performed using an atmosphere that consists of an endothermically generated carrier gas, an enriching gas (city-fed natural gas), and ammonia. The carbonitriding process produces a hard, wear resistant case that has a depth of anywhere from 0.004” – 0.030”. Cycles usually last anywhere from 30 minutes – 8 hours. CST can certify a carbonitriding heat treatment by including test pins in the furnace that are representative of the geometry of the parts. This analysis can be provided with any carbonitriding services by our in-house metallurgical laboratory.

Furnaces

Dimensions

Pacemaker Integral Quench (3 Furnaces)

30 X 48 X 30

Large Integral Quench Furnace

48 X 36 X 72

Large Integral Quench Furnace with Hot Oil

48 X 36 X 72

Applications of Carbonitriding

carbonitriding latchesCincinnati Steel Treating has experience carbonitriding latches, small metal stampings, and brackets. These components are used everywhere from construction to machine building to rifle components. The most common material that CST carbonitrides is rolled 1008 or 1010 steel. These materials are

typically used in very small parts that are components of larger assemblies or other pieces of equipment. CST has a vast amount of experience in determining how to fixture these loads of small parts and how to position them in the furnace, so as to provide the ideal properties. Put some of that experience to work for you. We supply services to the automotive industry, the military, and to various other industries including the food processing industry and specialty manufacturing.

The CST Quality Difference

Heat Treating BayCincinnati Steel Treating has state-of-the-art control facilities for our atmosphere furnaces that perform carbonitriding. Temperatures inside of the furnaces are controlled to within +/- 25 °F by multiple thermocouples that are placed in multiple zones specified by AMS 2750. Atmosphere is controlled using

the latest technology for determining the carbon potential with new oxygen probes, flowmeters, and infrared gauges. CST is certified to multiple standards including IATF 16949, ISO 9001, and ITAR. CST can provide you with precise temperature charts and gas readings upon request, and we are also set up to check the carbon content of shims that are included with the load directly using our on-site carbon determinator. Let us provide you with solutions for your carbonitriding needs.

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For over 80 years, we’ve helped our clients across many industries improve production time and parts performance, quickly and efficiently. Turnaround times are fast and quality control is precise. As your outsourcing partner, we provide solutions to take your results to the next level.

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