Material Properties

Heico-Lock Washers Material Properties Operational Temperature Range
Carbon Steel Delta Protekt® zinc coating; SAE J-403-AISI 1042/1045 or similar high carbon steel; through hardened to min. HRC 46 -20°C to +200°C
316L Stainless Steel 316L austenitic stainless steel to EN1.4404; good acid resistance; surface hardened -160°C to +500°C
254 SMO® Stainless Steel High alloy austenitic stainless steel to EN1.4547; high resistance to general corrosion and stress corrosion cracking; higher strength than conventional austenitic stainless steels; good weldability; surface hardened -160°C to +500°C
Inconel® 718 Nickel-Chromium Alloy/Alloy 718 Nickel based heat resistant alloy; good tensile, fatigue, creep and rupture strength; surface hardened -160°C to +700°C