Rock bolt accessories

Alleima® 20C is a hardened and tempered carbon steel for compressor valve applications. It combines high strength and high fatigue strength with low non‑metallic inclusions and good wear resistance.

Hiflex™ is a hardened and tempered martensitic stainless compressor valve steel alloyed with molybdenum. It provides high strength, good ductility and extremely high fatigue strength along with good wear resistance and corrosion fatigue strength.

Alleima® 7C27Mo2 is a hardened and tempered martensitic stainless compressor valve steel alloyed with molybdenum. It combines high strength and very high fatigue strength with excellent surface finish and improved corrosion resistance.