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Hastelloy C-22

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Salem Stainless Steel Suppliers Pvt. Ltd.

33 - Lawyer Chenna Thambi Street, Konditope, Kondithope, Chennai, Tamil Nadu - 600079, India

Mobile : +91-9840086688

E-mail : rajesh@ssssgroup.in

What alloys does SSSS Groups supply purposes, and in no event shall MSO be liable for any damages arising from the misuse of this information
What alloys does SSSS Groups supply? Below is a comprehensive list of our alloys arranged by type. More detailed information can be found on each alloys specific page. All of our products are purchased to normal industry standards and come with material test reports (MTR) also known as material certifications.
What product forms are available?
  • Bar
  • Plate
  • Sheet
  • Pipe
  • Pipe Fittings
  • Flanges
  • Tube
  • Weld Wire

Super Alloy HASTELLOY(r) C-4 alloy

Related Metals:
  • Inconel(r) Alloy 622
  • Nicrofer 5621 hMoW(tm)
  • Hastelloy(r) C22(r) alloy(tm)
  • Nicrofer 5621(tm)
  • ASTM B366
  • ASTM B564
  • ASTM B574
  • ASTM B575
  • ASTM B619
  • ASTM B622
  • Hot Working
  • DIN 2.4602
  • UNS N06022
Chemistry Data
  • Carbon : 0.015 max
  • Chromium : 20 - 22.5
  • Cobalt : 2.5 max
  • Iron : 2 - 6
  • Manganese : 0.5 max
  • Molybdenum : 12.5 - 14.5
  • Nickel : Balance
  • Phosphorus : 0.02 max
  • Silicon : 0.08 max
  • Sulphur : 0.02 max
  • Tungsten : 2.5 - 3.5
  • Vanadium : 0.35 min

  • General Information

    Principal Design Features
    A wrought nickel-chromium-molybdenum alloy also containing tungsten for improved overall corrosion resistance than most other similar alloys. Developed to provide an alternative to Alloys 625 and C-276. This alloy offers excellent metallurgical stability,
    Applications The alloy is used to manufacture a wide variety of chemical process equipment such as: Flue gas scrubbers, chlorination systems, acid production and pickling systems, outlet ducting and stack liners for power plants, sulfur dioxide scrubbers, pulp and pa
    Machinability Machining is best accomplished using high speed steel tooling for drilling operations. Carbide tools work well for turning or milling. Drilling (high speed steel) speeds 10-15 surface feet /minute with feeds of 0.001" (for 1/8 " dia. hole) to 0.007"
    Forming Can be readily cold or hot formed. After hot forming, or severe cold forming, the parts should be solution heat treated.
    Corrosion Resistance Excellent performance in ammonium sulfite pulp/paper use, sulfuric acid vessels, ammonia, and many other acids. Some specific data follows. Media Concentration & Temp.Corrosion Rate mils per year Sulfuric acid 2% boiling
    Welding Readily welded by conventional methods, except that submerged arc welding should be avoided due to the high heat input and slow cooling of that method. Clean the weld areas thoroughly before welding and use matching filler metal ER NiCrMo-10 and E NiC
    Heat Treatment Solution anneal at 2050 F followed by a rapid quench.
    Forging Hot forging can be done in the temperature range of 2100 F. A solution heat treatment should be performed after forging.
    Hot Working Can be hot worked or hot extruded similar to stainless steels.
    Cold Working The alloy has very good ductility and, although stiffer than the austenitic stainless steels, cold working is the preferred means of forming. Severe cold working may cause work hardening and in this event a solution heat treatment may be used to restore
    Annealing See "Heat Treatment" for solution annealing.
    Aging The alloy may be aged at temperatures of 950 F to 1900 F for some increase in hardness and tensile strength (about 3% gain). However aging (or long exposure) at temperatures above 1400 F results in degradation of V-notch impact strength.
    Hardening Not hardenable by heat treatment. The alloy does harden due to sever cold working.
    Other Physical Props V-notch impact strength is 260 ft. lbs. at 70 F and at minus 320 F.
    Physical Data
    • Density (lb / cu. in.) : 0.314
    • Specific Gravity : 8.69
    • Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) : 0.1
    • Melting Point (Deg F) : 2550
    • Melting Point (Deg F) : 2600
    • Thermal Conductivity : 70
    • Mean Coeff Thermal Expansion : 6.9
    • Modulus of Elasticity Tension : 29.9

    Mechanical Data
    MSO currently has no data available for this grade.

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