1.4568 - Age-hardenable (martensitic-austenitic) stainless steel / X7CrNiAI17-7 / AISI 631 / S17700

Description

Material 1.4568 (X7CrNiAl17-7 / AISI F899) – Austenitic Stainless Steel Properties and Applications

The material 1.4568, also referred to as X7CrNiAl17-7 or AISI F899, is a precipitation-hardenable austenitic stainless steel combining high strength, toughness and excellent corrosion resistance. Its heat treatment capability allows tailoring the mechanical properties to specific requirements, making it a versatile choice for demanding applications. 1.4568 is widely used in aerospace, medical technology, mechanical engineering and automotive industries, especially for highly stressed springs, diaphragms, valve components and precision parts. Owing to its durability, processability and resistance to corrosion, this stainless steel is well suited for long-term use in critical environments.

Material group: Austenitic stainless steel, precipitation hardening