UN Carbon Steel Guide Pin

Carbon steel, the material used for UN carbon steel guide pin, has a few key upsides,like high tensile strength,good hardness (which you can get through heat treatment),and it’s easy to machine. These pins take advantage of the material’s ability to harden the surface while keeping the core tough, so they 're really resistant (abrasion-resistant) and don' t deform easily.

Carbon steel can rust if you don’t protect it, but for guide pin jobs that need heavy-duty performance,this material holds up under load, lasts a long time against wear, and doesn’t cost an arm and a leg. Basically,it’s a practical choice when you need a balance of strength, durability, and affordability.

Application

UN carbon steel guide pin are widely used across a bunch of industries. Their main uses include lining things up precisely in injection molds, stamping dies, progressive dies (those are the ones that do multiple steps), fixture plates, and assembly jigs,you’ll see them in automotive, aerospace, and general manufacturing setups.

These pins help guide press rams, make sure parts fit together correctly during assembly, and keep things positioned right in CNC machining fixtures. Basically, anywhere you need repeated, precise straight-line guidance and positioning under mechanical stress, carbon steel guide pins are the go-to. They handle heavy side loads pretty well, too, which is key in these applications where things get a lot of pressure.

Corrosion resistance

Standard carbon steel has solid mechanical strength, but uncoated UN carbon steel guide pin don’t resist corrosion well. If they’re in wet spots or around mild chemicals, we’d suggest adding protective coatings,like zinc plating, phosphate coating (that’s Parkerizing), or black oxide. These finishes really help with rust resistance without messing up the pin’s size tolerances or how it works. Basically, slapping on these coatings keeps the pins from corroding without sacrificing performance.