Sanicro 28

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Sandvik Sanicro 28 Chemical composition (nominal) %
Sandvik Sanicro 28 Mechanical properties
Sandvik Sanicro 28 Physical properties
Sandvik Sanicro 28 Corrosion resistance
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sanicro 28 chemical composition

 

Sanicro 28 properties

Specifications

The following specifications cover Stainless Steel Sanicro 28(tm)


Property Results

Related Metals:


Chemistry Data : 

Carbon

Chromium

Copper

Iron

Balance

Manganese

Molybdenum

Nickel

Phosphorus

Silicon

Sulphur


Principal Design Features This is a "super austenitic" stainless designed for resistance to phosphoric and sulfuric acids and seawater.
Applications Applications include tubulars for downhole deep corrosive wells, pollution control, radiation waste systems, chemical handling equipment, valves pumps and piping.
Machinability Conventional machining techniques used for iron based alloys may be used. Machining characteristics are somewhat similar to those for the austenitic (300 Series) stainless steels. This alloy does work-harden during machining and has higher strength and "gumminess" not typical of steels. Heavy duty machining equipment and tooling should be used to minimize chatter or work-hardening of the alloy ahead of the cutting. Most any commercial coolant may be used in the machining operations. Water-base coolants are preferred for high speed operations such as turning, grinding, or milling. Heavy-duty lubricants work best for drilling, tapping, broaching or boring. Rigid mounting of tooling and the workpiece are important to avoid "chatter".

Physical Data : 

Density (lb / cu. in.) 0.29
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) 0.11
Modulus of Elasticity Tension 28


Mechanical Data : 

Form

Sheet

Condition

Annealed

Temper

70

Tensile Strength

80

Yield Strength

30

Elongation

35



Sanicro 28 (Tube and Pipe, Seamless)

Datasheet updated 2015-02-16 10:39:36 (supersedes all previous editions)

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; SS 14 25 84
Fittings: ASTM A 403 (chemical composition and mechanical properties according to ASTM B668)

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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

 

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