Material : Sanicro

Sanicro 25

Sanicro 25 is an austenitic 22Cr25NiWCoCu stainless steel material with excellent high temperature properties, designed for use in advanced pulverized coal fired steam boilers. The grade is characterized by:

  • Very high creep strength
  • High oxidation resistance
  • High structural stability
  • Good fabricability

Standards

  • UNS: S31035
  • EN Number: 1.4990
  • EN Name: X7NiCrWCuCoNbNB25-23-3-3-2

Product standards

Seamless tube and pipe: ASTM A213, ASTM A312

Approvals

  • European Particular Material Appraisal (PMA)
  • VdTÜV material data sheet 555, 09.2008
  • The American Society of Mechanical Engineers (ASME) Boiler and Pressure
  • ASME Code Case 2753, Section I and 2752, Section VIII Division 1
  • China Pressure Vessel Approval CSCBPV BV-ME-210

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

Standards

  • UNS: N08028
  • ISO: 4563-080-28-I
  • EN Number: 1.4563
  • EN Name: X 1 NiCrMoCu 31-27-4
  • W.Nr.: 1.4563
  • DIN: X 1 NiCrMoCuN 31 27 4
  • SS: 2584
  • AFNOR: Z1NCDU31-27-03

Product standards

Seamless tube and pipe: ASTM B 668, EN 10216-5, SEW 400 (Feb 1991), SS 14 25 84,
NFA 49-217
Plate, sheet and strip: ASTM B 709, EN 10088-2, SS 14 25 84
Bar steel: EN 10088-3, EN 10272, SS 14 25 84
Fittings: ASTM A 403 (chemical composition and mechanical properties according to ASTM B668)

Approvals

  • Approved by the American Society of Mechanical Engineers (ASME) for use in accordance with ASME Boiler and Pressure Vessel Code, section III, section I (Code Case 1325-18) and section VIII, division 1.
  • VdTÜV-Werkstoffblatt 483 (Austenitischer Walz- und Schmiedestahl)
  • NACE MR 0103 (Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments)
  • NACE MR0175/ISO 15156 (sulphide stress cracking resistant material for oil field equipment)
  • NGS 1608 (Nordic rules for application) valid for Sandvik Sanicro 28 made by Sandvik

Sanicro 30 is a low-carbon version of Alloy 800 austenitic nickel-iron-chromium alloy. The grade is used for steam generator tubing in nuclear stations (PWR) and other heat exchangers for temperature up to about 550°C (1020°F) where good resistance to stress corrosion cracking (SCC) and intergranular corrosion is required.

Standards

  • UNS: N08800
  • EN Number: 1.4558
  • EN Name: X2NiCrAlTi32-20
  • W.Nr.: 1.4558
  • DIN: X 2 NiCrAlTi 32 20
  • BS: NA15

Product standards

Seamless condenser and heat exchanger tubes: ASTM A213, B163, EN 10216-5

Approvals

Approved for use according to ASME Boiler and Pressure Vessel Code Section III, division 1 and Section VIII, division 1 and 2

Sanicro 28

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

Standards

  • UNS: N08028
  • ISO: 4563-080-28-I
  • EN Number: 1.4563
  • EN Name: X 1 NiCrMoCu 31-27-4
  • W.Nr.: 1.4563
  • DIN: X 1 NiCrMoCuN 31 27 4
  • SS: 2584
  • AFNOR: Z1NCDU31-27-03

Product standards

Seamless tube and pipe: ASTM B 668, EN 10216-5, SEW 400 (Feb 1991), SS 14 25 84,
NFA 49-217
Plate, sheet and strip: ASTM B 709, EN 10088-2, SS 14 25 84
Bar steel: EN 10088-3, EN 10272, SS 14 25 84
Fittings: ASTM A 403 (chemical composition and mechanical properties according to ASTM B668)

Approvals

  • Approved by the American Society of Mechanical Engineers (ASME) for use in accordance with ASME Boiler and Pressure Vessel Code, section III, section I (Code Case 1325-18) and section VIII, division 1.
  • VdTÜV-Werkstoffblatt 483 (Austenitischer Walz- und Schmiedestahl)
  • NACE MR 0103 (Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments)
  • NACE MR0175/ISO 15156 (sulphide stress cracking resistant material for oil field equipment)
  • NGS 1608 (Nordic rules for application) valid for Sandvik Sanicro 28 made by Sandvik

Sanicro 30

Sanicro 30 is a low-carbon version of Alloy 800 austenitic nickel-iron-chromium alloy. The grade is used for steam generator tubing in nuclear stations (PWR) and other heat exchangers for temperature up to about 550°C (1020°F) where good resistance to stress corrosion cracking (SCC) and intergranular corrosion is required.

Standards

  • UNS: N08800
  • EN Number: 1.4558
  • EN Name: X2NiCrAlTi32-20
  • W.Nr.: 1.4558
  • DIN: X 2 NiCrAlTi 32 20
  • BS: NA15

Product standards
Seamless condenser and heat exchanger tubes: ASTM A213, B163, EN 10216-5

Seamless tube and pipe: ASTM A312, B407, EN 10216-5

Approvals
Approved for use according to ASME Boiler and Pressure Vessel Code Section III, division 1 and Section VIII, division 1 and 2