I work at a commercial heat treater with vacuum furnace equipment. We had a local manufacturer contact us to ask if we could sinter together nickel wire mesh sheets (product as described in this paper).
The manufacturer's current supplier sinters stainless steel sheets for him, but they have a...
I work at a commercial heat treat company that has an opportunity to vacuum carburize CX13VDW material; we have never worked with this particular chemistry before.
We have established processes to carburize other stainless steels such as Pyrowear 675, and my first process was based on this...
Today I had a customer contact me asking if "regular" 8620 steel would respond to heat treat any differently than "gun quality" 8620 steel. I speculated that "gun quality" steel might have tighter alloy and cleanliness tolerances but for their application (a small part with a shallow case...
My company has aged at 900° for 1 hour some small pieces of 17-4 material (120 pieces of 1.9" long bolts that weigh 0.022 lb each). Our customer says these parts were machined from the same bar as the two previous orders we processed, where the hardness results were as expected.
On the current...
I work at a commercial heat treater, and have a customer with about a hundred cone rings (small ones - about 1/2 pound and 2-3 inches across) made of 52100 material. The end user is going to press fit these parts and wants them a particular hardness for best conformance to the press fit...
I work at a commercial heat treater. We have a customer who is considering using 431 material in pipes for oil field service (I'm not sure exactly what goes through the pipes). It would be tempered below 700° to ensure meeting their Charpy minimums. After hardening and tempering, the hardness...
My employer (a commercial heat treater) has been trying to develop a case hardening process for swivel pipes. The customer we are working with wants offer the pipes in a new material, and we've been doing test runs with parts made from their candidate material.
We developed a process for...
I work at a commercial heat treater that mainly does carburizing. We're working with a potential customer on carburizing some ~3" ID / 5" OD parts made of X4CrNiMo 16-5-1.
They tried nitriding these parts (at another company - the place I work doesn't have any nitriding equipment) to a depth...
We are a commercial heat treater working with a potential customer on carburizing a stainless steel. The idea is to replace 4-5" diameter pipes currently made of carburized 8620 material. The pipes are failing after 3-10 weeks. They think the failure is due to corrosion, thus the move to...
Our company heat treats a 1/4 inch diameter bar with two bends. Material is 6150 steel. The part is austenitized and high pressure gas quenched.
Several months ago, a review of our processes for similar parts found this diameter is typically run with a less severe quench. (None of the other...
We sometimes heat treat IR-805 steel for a customer to a process they specify (1825°F, air blast, double temper 1130° then 1100°). I would like to learn more about it - for example, is it susceptible to cracking if there is a delay after the air blast and before the temper? (Sometimes our...
We are a commercial heat treater. One of our customers occasionally has us anneal A890-CE3MN material. The parts have a relatively thick core (2-6"), relatively thin webbing (1/4") out to a rim with a thickness of around 1.5". Our process is heat to 2050°F, soak for a few hours (varies by...
We are a commercial heat treat company. One of our customers occasionally has us process A352/LCB castings (with which we have very limited experience) and has complained that the UTS after our heat treatment is too high (around 92 ksi, I think, with a requirement of 90 ksi max - no idea what...
