Alleima logo
Alleima logo mobile
  • Sign-up here
  • Contact us

Alleima® 2RK65

UNS N08904 | EN 1.4539 | EN1.4539

Read more about this product
ItemOutside diameter, mmWall Thickness, mmStock
THT-2RK65-6.35-0.896.350.89
THT-2RK65-6.35-1.246.351.24
THT-2RK65-6.35-1.656.351.65
THT-2RK65-9.53-0.899.530.89
THT-2RK65-9.53-1.249.531.24
THT-2RK65-9.53-1.659.531.65
THT-2RK65-12.7-0.8912.70.89
THT-2RK65-12.7-1.2412.71.24
THT-2RK65-12.7-1.6512.71.65
THT-2RK65-12.7-2.1112.72.11

About

Alleima® 2RK65 is a high-alloy austenitic stainless steel intended for use under severe corrosive conditions within the process industry. The grade is characterized by:

  • Very good resistance to attacks in acidic environments, e.g. sulfuric, phosphoric and acetic acid
  • Very good resistance to pitting in neutral chloride-bearing solutions
  • Much better resistance to crevice corrosion than steels of the ASTM 304 and ASTM 316 types
  • Very good resistance to stress corrosion cracking
  • Good weldability

Standards

  • ASTM: '904L'
  • UNS: N08904
  • ISO: 4539-089-04-I
  • EN Number: 1.4539
  • EN Name: X1NiCrMoCu25-20-5

Product standards

  • ASTM A213 (seamless/welded tube)
  • ASTM A269 (seamless/welded tube)
  • ASTM A312 (seamless/welded pipe)
  • ASTM A240 (plate and sheet)
  • ASTM A276, A479, A484 (bar)
  • ASTM B677 (seamless tube and pipe)
  • EN 10216-5 (seamless tube and pipe)

Approvals

  • Approved for use in ASME Boiler and Pressure Vessel Code section VIII, div. 1 construction
  • VdTÜV-Werkstoffblatt 421 (Austenitischer Walz-und Schmiedestahl)

Read more on alleima.com