Alloy Grade UNS: CK3MCuN – Corrosion Resistant

  • 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

Tensile, ksi

0

Tensile, MPa

0

Yield, ksi

0

Yield, MPa

0

Elongation

0%

Heat Treatment: Solution Anneal