Nitriding SteelUsually, it can be used as sleeve and screw on plastic extrusion machines. At the same time, it can be used as a spade in cases where the brightness of the plastic moulds is not important.
Grade C Cr Mo V Others Properties Document 1.8550 0.35 1.70 0.20 0.60 Ni 0.90
Perfect nitriding and polishability. 1.8509 0.42 1.70 0.35 0.60 AI 1.10 Pinion shafts, measuring tools, injection pump parts, spool valves and gudgeon pins. 1.8519 0.28 2.55 0.20 0.15 CrMoV alloyed nitriding steel with a surface hardness after nitriding of min 800 HV Grade Applications 1.8550 Nitriding steel which makes it possible to achieve nitrided layers with a very high lavel of hardness. 1.8509 Machine slides, extruder components, parts requiring a high level of hardness after nitriding for optimum resistance to wear due to friction and abrasion. 1.8519 Structural parts with high surface hardness - piston rods, extruders, cylinders, shafts, straightening tools, measuring tools, etc
DIN 1.8550 (34CrAlNi7)This grade is delivered in hardened and tempered condition ( last tempering temperature at least 580°C). Aluminium alloyed nitriding steel for large cross-sections. Suitable for piston rods, extruders, cylinders, gear wheels, rings..