Alleima Sanicro 28 – Seamless tube, high-alloy UNS N08028

Alleima Sanicro 28 is a high-alloy multi-purpose austenitic stainless steel for service in highly corrosive conditions. The grade is characterized by:

• Very high corrosion resistance in strong acids
• Very good resistance to stress corrosion cracking (SCC) and intergranular corrosion in various environments
• High resistance to pitting and crevice corrosion
• Good weldability

MATERIAL

• UNS N08028
• EN 1.4563

STANDARDS

• UNS: N08028
• ISO: 4563-080-28-I
• EN Number: 1.4563
• EN Name: X1NiCrMoCu31-27-4
• W.Nr.: 1.4563
• DIN: X1NiCrMoCuN31-27-4
• SS: 2584
• AFNOR: Z1NCDU31-27-03

PRODUCT STANDARDS

• Seamless tube and pipe: ASTM B668, EN 10216-5, SEW 400 (Feb 1991), SS 14 25 84, NFA 49-217
• Plate, sheet and strip: ASTM B709, EN 10088-2, SS 14 25 84
• Bar steel: EN 10088-3, EN 10272, SS 14 25 84
• Fittings: ASTM A403 (chemical composition and mechanical properties according to ASTM B668)

APPROVALS

• ASME Boiler and Pressure Vessel Code, section I (Code Case 1325-18), section III and section VIII, div. 1
• VdTÜV-Werkstoffblatt 483 (Austenitischer Walz- und Schmiedestahl)
• NACE MR0103 (sulfide stress cracking in corrosive petroleum refining environments)
• NACE MR0175/ISO 15156 (sulfide stress cracking resistant material for oil field equipment)