Nickel Alloy B2 Capillary Tubes Wst. 2.4617 UNS N010665:-

Specification:  ASTM B 622/ASME SB 622 /ASTM SB 622
EN ISO 1127 D4/T3
Seamless and welded conditions

Maximum service temperature: 1038°C/1900°F

Alloy C4 is a nickel-chromium-molybdenum alloy with outstanding high temperature stability. This component makes the C4 exceptional resistance to wide variety of chemical process environments, such as hot contaminated mineral aids, solvents, chloride, acetic, seawater and brine solutions. The alloy C4 gives a design freedom in areas where weld geometry makes excessive heat build-up unavailable. It’s generally similar to alloy C276, but has a improved stability.

Characteristics:

  • Resistance to general and localized corrosion and stress corrosion cracking
  • High ductility and corrosion resistance
  • Resist the formation of grain-boundary precipitates in the weld heat-effected zone
  • Excellent resistance at ambient temperatures
  • Good resistance to corrosive media under oxidizing and reducing conditions

Market applications:

  •    Chemical reactors
  •    Chlorination  
  •    Production of organic acids  
  •    Petro chemical processes
  •    Pollution central equipment 

Technical details

Technical composition (%) Fe Cr Ni Mo Mn Si P C S Ti Co
C4 min - 14.0 65.0 14.0 - - - - - - -
max 3.0 18.0 - 17.0 1.00 0.08 0.030 0.010 0.010 0.7 2.0


Mechanical Properties C4
Tensile strenght (mpa, min) 790
Yield strength (0.2% offset mpa, min) 375
Elongation (%, min) 55
Density / weight (g / cm3 / kg) 8.84

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