Stainless Steel

Grade EN 1.4903

EN 1.4903
AISI Grade91
UNS -
DIN X10CrMoVNb9-1
Structure Martensitic

Composition

  • Al: max. 0,040%
  • C: 0,08-0,12%
  • Cr: 8,00-9,50%
  • Cu: max. 0,030%
  • Mn: 0,30-0,60%
  • Mo: 0,85-1,05%
  • Nb: 0,06-0,10%
  • Ni: max. 0,40%
  • P: max. 0,025%
  • S: max. 0,015%
  • Si: max. 0,50%
  • Ti: max. %
  • V: 0,18-0,25%
  • Balance: N 0,030-0,070%

Applications

  • Powerplant
  • Machine engineering
  • Power generation

Application

  • Fittings for boiler construction, pipeline construction

Delivery form

  • Plate, hot rolled
  • Roundbar, rolled
  • seamless pipe/seamless tube
  • Forgings
  • laser cuts
  • plasma cuts
  • waterjet cuts
  • saw cuts
  • Rings
  • Discs
  • Tailormade drawings



The above values and information on the properties and/or usability of the material are purely informative and are not to be understood as technical advice or instructions. This information is based on the experience of the manufacturer and NICROMAL. All information is provided without guarantee. Misprints, errors and changes excepted.
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