SUPER 13cr – UNS S41427-95ksi

Super 13Cr is a martensitic stainless steel that offers high performance and excellent corrosion resistance in CO2 environment. It is available in two conditions. A 95 ksi min yield condition that is suitable for limited NACE sour service with a maximum hardness of 29 HRC. A 110 ksi version is also available for standard and CO2 Service. This material is used in downhole completion tools for components such as packer, safety valves as well as other applications.

Super 13Cr Specification/Condition

  • Cond. 95 KSI.

Super 13Cr applications

  • mandrels
  • packers
  • drill collars

Super 13Cr technical data

  • UTS (KSI): 105 Min
  • Yield 0.2% Offset (KSI): 95-110
  • EL (% Min): 20
  • RA (% Min): 45
  • Hardness (HRC): 29 Max
  • Charpy Impact Min. ft-lbs: 73 @+14°F

Super 13Cr dimensions

  • 4 to 10″

Super 13Cr Chemical composition (Wt %)

Carbon(C)Manganese(Mn)Phosphorus(P)Sulfur(S)Silicon(Si)Nickel(Ni)Cobalt(Co)
0.03 Max1.00 Max0.02 Max0.005 Max0.50 Max4.5-6.0
Chromium(Cr)Molybdenum(Mo)Niobium + Tantalum(Nb (Cb) + Ta)Titanium(Ti)Copper(Cu)Aluminum(Al)Iron (Fe) & Others
11.5-13.51.5-2.50.01 MaxFe– Balance, V– 0.10-0.50
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