least expensive for HF
least expensive for HF
(OP)
what steel or other material (ceramic??) can be used for 10-20% HF with 5% nitric?
i am currently using inconel but with recent price hikes a material change is required.
For this aplication i cannot go plastic, i need strength for a 50 in 3/8 rod.
i am currently using inconel but with recent price hikes a material change is required.
For this aplication i cannot go plastic, i need strength for a 50 in 3/8 rod.





RE: least expensive for HF
This material will attack any ceramic that I'm aware of.
Most plastics have be reinforced to carry any load and again the mixed acids will attack.
You might look around for Polyethylene coated steel rod if the service isn't too rough and the temperature too high.
RE: least expensive for HF
Which alloy are you using? How long do you want them to last? With Ni over $10/lb and Mo back over $25/lb you are going to pay.
You might get by with a 6%Mo superaustenitic or a superferritic if it doesn't have to last forever (or won't kill anyone when it fails).
= = = = = = = = = = = = = = = = = = = =
Rust never sleeps
Neither should your protection
http://www.trent-tube.com/contact/Tech_Assist.cfm
RE: least expensive for HF
Thank you for your time
RE: least expensive for HF
RE: least expensive for HF
RE: least expensive for HF
Where are you located?
6%Mo superaustenitic alloys include AL-6XN, 1925hMo, 25-6MO
Superduplex alloys include 2507, Zeron 100, 255
In your case, the ready availability of 625 may make it the best thing to stick with.
Another Ni alloy option would be a "G" type of alloy. They sould work well in this application.
= = = = = = = = = = = = = = = = = = = =
Rust never sleeps
Neither should your protection
http://www.trent-tube.com/contact/Tech_Assist.cfm
RE: least expensive for HF