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410 SS
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416 SS

410HT SS

Our inventory now includes Alloy 410 HT  (UNS S41000) in sheet, sheet coil, plate, round bar, processed flat bar and tubular products.

Alloy 410 HT is the basic, general purpose,  heat treated version of Type 410. It is a martensitic type, used for general purpose, where corrosion is not severe. Alloy 410 contains a minimum of 11.5% chromium which is just sufficient enough to demonstrate corrosion resistance properties in mild atmospheres, steam, and many mild chemical environments.

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Description

Specifications: UNS S30400 / S30403

Applications:

Applications requiring moderate corrosion resistance and high mechanical properties are ideal for Alloy 410HT. Examples of applications that frequently used Alloy 410HT include:

  • Cutlery
  • Steam and gas turbine blades
  • Kitchen utensils
  • Bolts, nuts, screws
  • Pump and valve parts and shafts
  • Mine ladder rugs
  • Dental and surgical instruments
  • Nozzles
  • Hardened steel balls and seats for oil well pumps

Standards:

  • ASTM/ASME: UNS S41000
  • EURONORM: FeMi35Cr20Cu4Mo2
  • DIN: 2.4660

Corrosion Resistance:

  • Good corrosion resistance to atmospheric corrosion, potable water, and to mildly corrosive environments
  • Its exposure to everyday activities (sports, food preparation) is generally satisfactory when proper cleaning is performed after exposure to use
  • Good corrosion resistance to low concentrations of mild organic and mineral acids

Welding Characteristics

  • Readily welded by all standard methods
  • To reduce the risk of cracking, it is suggested to pre-heat the work piece to 350 to 400oF (177 to 204oC)
  • Post weld annealing is recommended to retain maximum ductility

Heat Treatment

  • The proper hot work range is 2000 to 2200oF (1093 to 1204oC)
  • Do not work this material below 1650oF (899oC)

 

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