
Alleima® 2RK65
UNS N08904 | EN 1.4539 | EN1.4539
Read more about this product
| Item | Outside diameter, mm | Wall Thickness, mm | Stock |
|---|---|---|---|
| THT-2RK65-6.35-0.89 | 6.35 | 0.89 | |
| THT-2RK65-6.35-1.24 | 6.35 | 1.24 | |
| THT-2RK65-6.35-1.65 | 6.35 | 1.65 | |
| THT-2RK65-9.53-0.89 | 9.53 | 0.89 | |
| THT-2RK65-9.53-1.24 | 9.53 | 1.24 | |
| THT-2RK65-9.53-1.65 | 9.53 | 1.65 | |
| THT-2RK65-12.7-0.89 | 12.7 | 0.89 | |
| THT-2RK65-12.7-1.24 | 12.7 | 1.24 | |
| THT-2RK65-12.7-1.65 | 12.7 | 1.65 | |
| THT-2RK65-12.7-2.11 | 12.7 | 2.11 |
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)