UNS S17400 (17-4PH) Stainless Steel: High-Strength Corrosion-Resistant Solutions
Overview
UNS S17400 precipitation-hardening stainless steel delivers exceptional corrosion resistance, mechanical performance, and heat-treatability. It features superior chloride stress corrosion cracking resistance, particularly in chloride environments. The alloy's composition (Fe-Cr-Ni-Cu-Mo base with controlled C/Nb additions) ensures stable performance in high-temperature and highly corrosive conditions.
Key Characteristics
Industrial Applications
Critical components in:
Aerospace structural elements
Petrochemical processing equipment
Medical implant devices
High-stress corrosion-resistant systems
UNS S17400 (17-4PH) Applications
Aerospace :Aircraft components, engine parts & structural systems – leveraging high strength-to-weight ratio
Oil & Gas :Valves, pump components & wellhead connections – excels in corrosive extraction environments
Medical Devices :Surgical instruments, orthopedic implants & forceps – biocompatible with sterilization resistance
Marine Engineering :Offshore platforms, diving gear & seawater-handling components – withstands saltwater corrosion
Automotive :Engine/transmission parts & suspension systems – enhances strength & wear resistance
Military/Defense :Fire control systems, missile components & tactical gear – critical high-reliability applications