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NA 021

DIN Standards Committee Iron and Steel

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ISO/TC 17/SC 22
Stainless and heat-resistant steels

Publications Projects

Standardization of qualities, dimensions and tolerances of stainless and heat-resistant steels mainly used in the engineering industry e.g.: construction, chemical and automotive industries. These steels are for general engineering purposes but include also their special applications in form of bright, spring and valve steels.

Excluded;

  • standardization of applications
  • pressure purposes e.g.: plates and tubes (ISO/TC 17/SC 10 and ISO/TC 17/SC 19)
  • concrete reinforcement (ISO/TC 17/SC 16)
  • hollow sections and hollow bars (ISO/TC 5)
  • oil and gas (ISO/TC 67/SC 2)
  • tools (ISO/TC 17/SC 4)
  • ball bearings (ISO/TC 17/SC 4)
  • wire ropes (ISO/TC 105)
  • medical (ISO/TC 150/SC 1)
  • aerospace (ISO/TC 20)
  • castings (ISO/TC 17/SC 11)

National mirror committee of ISO/TC 17/SC 22

Committee ID Name
NA 021-00-06-01 UA Stainless steels