Rust converter and Ospho are pretty much the same thing, so I say use just one or the other. Merely remove loose paint and rust scale, dirt, oil, grease and other accumulations with a wire brush or pressure washer and let dry - apply a thin coat of OSPHO as it comes pre-diluted in the container. Q. I built a piece of equipment using regular mild steel plate and standard structural angles and square tubing. The Make or Break For Jimbo's Tenure, 2024 Tupelo (MS) linebacker Tristan Jernigan commits to Texas A&M, Cromartie taking shots at the coaching staff, Alabama baseball possible point shaving scandal, Put on your big girl panties and watch Bobby Petrino do his thing this fall. A CHEMICAL REACTION OCCURS TURNING THE OSPHO BLACK IN COLOR. There are coatings I will be using, (I use primarily Eastwood coatings), on the vehicle's "hidden" areas that are designed to cure over metal with a phosphoric residue. You might try "Cold Galvanizing" which is a spray on galvanizing paint. If you use ospho on the outside don't forget to nuetralize it before painting. I like to let them set 24hrs from the coat to . In Texas fences are constructed from oil field pipe and painted white. My first and biggest mistake was buying used pipe. apply whatever paint. Will this work ? DEPENDING ON TEMPERATURE AND HUMIDITY. The hull is in exceptional condition for her age; however, I do have a slight issue that I want to sort in the best way possible. After Ospho application, do I wet sponge off the white residue everyone is talking about? Fast Freeze, Out-of-Position Pipe Welding, Mild Steel and Low Alloy Steel Stick Electrodes Fleetweld 5P E6010 DC+ Fleetweld 5P is a great choice for welding on dirty, rusty, greasy or painted steel -- especially in vertical or overhead applications. I don't think sanding is necessary but brushing with a wet scrub brush is probably a good idea. After doing this, apply a coat of Ospho and let it dry (overnight). Product Details. FROM MANY PAINTED SURFACES: 8. It got the rust off alright but left a copious white powdery residue. If you are treating a large surface you may need to apply multiple coats of Ospho. OSPHO Posted on June 29, 2022 in arrests billings, mt. I've just come across this site while researching rust converting products. How long does Ospho take to work? To use ospho, follow the directions exactly to apply the ospho, and leave it on for the recommended time. overnight or until completely dry. 3. Primers are applyed to etched steel to give the top coat something better to stick to than steel and promote better adhesion. You will not want this and you will have to remove it eventually. We're having 400' of three rail oilfield pipe fence installed. Answer 7: Flush your eyes with water for 15 minutes and seek medical attention. Answer 2: Follow the directions on the back of the package. All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface. Answer 1: You mix Ospho with water according to the ratio on the back of the package. It can be purchased just about anywhere that cans of spray paint are available. Answer 3: You can apply Ospho with a brush roller or pump sprayer. . 3. These are the tips I can offer. With a heavy load of steel items, our oven generally takes about 1-2 hours to get them all the way up to temperature. Apply another coat to reactivate the original coat and while it is still moist to wipe it all down with a water damp towel then dry it. Even still, if you are going to paint galvanized metal, I'd use a Self-Etching Primer [affil. RESISTS/RETARDS RUST-PROVIDES PLEASE STOP SPRAYING OSPHO! On the finished surfaces, use an engraving high fill primer. greatly. Q. Hello. 2 7/8" pipe is tubing, not drill pipe.