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ASTM 446-1 W.Nr.: 1.4749 DIN X18CrN28 Stainless steel Tube and pipe, seamless

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ASTM 446-1 W.Nr.: 1.4749 DIN X18CrN28 Stainless steel Tube and pipe, seamless

ASTM 446-1 W.Nr.: 1.4749 DIN X18CrN28 Stainless steel Tube and pipe, seamless

Recently we finish production for ASTM A268 ASME SA268 Specification AISI 446-1, UNS S44600,

TP446-1, EN number 1.4749,

DIN X18CrN28 stainless steel tubes. It's equivalent to Sandvik 4C54 grade.

 

Seamless steel tubes manufactured by cold finished ( cold rolled and cold drawn ), then annealed,

pickled, further polishing processing.

 

Grade 446 is a ferritic, heat resisting, stainless chromium steel, characterized by:

  • Extremely good resistance to reducing sulphurous gases
  • Very good resistance to oxidation in air
  • Good resistance to oil-ash corrosion
  • Good resistance to molten copper, lead and tin


446 stainless steel can be used at temperatures up to 1100°C (2010°F).

However, allowance should be made for low creep strength at the highest temperatures in order to

avoid distortion due to the mass of the steel.

 

Material 446 stainless should be chosen mainly for service at temperatures above 700°C (1290°F)

where the excellent resistance of the material to slag corrosion and sulphidizing gases is particularly advantageous.

 

Typical applications for 446 stainless are:

  • Recuperators in the metallurgical and glass industries
  • Thermocouple protection tubes
  • Sootblower tubes
  • Injection nozzles
  • Muffle tubes in continous wire annealing furnaces

 

Pub Time : 2020-01-08 13:11:39 >> News list
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