Overview
CK3MCuN is an austenitic stainless steel alloy. It has corrosion resistance approaching nickel alloys, especially in chloride service. It also serves well in saltwater environments. It contains up to 20.5% chromium and 19.5% nickel. The carbon level is .025% making it a pure austenitic stainless steel.
Typical Uses
Chemical and food processing equipment, desalination equipment, impellers, process piping exposed to flue gas.
MetalTek Grade
254 SMO®
* Produced under license of Avesta.
Similar Specifications
Wrought UNS: S31254
Wrought Grade: 254 SMO®
Cast ASTM: A351, A743, A744
Typical Chemical Composition (% by wt.)
Aluminum: n/a
Carbon: 0.025
Chromium: 19.5-20.5
Manganese: 1.2
Iron: n/a
Copper: 0.5-1.0
Nickel: 17.5-19.5
Lead: n/a
Tin: n/a
Silicon: 1
Zinc: n/a
Other: Mo 6-7; N 0.18-0.24
Minimum Mechanical Properties
Heat Treatment: Solution Anneal