Stainless Steel

Grade EN 1.4542

EN 1.4542
AISI 630/17-4PH
UNS S17400
DIN X5CrNiCuNb16-4
Structure Martensitic

Grade EN 1.4542

Material 1.4542 / AISI 630 is a hardenable stainless steel with high yield strength, high wear resistance, and good corrosion resistance. As a remelted variant (ESU/VU), 1.4542 / AISI 630 is used in the aerospace industry.

NICROMAL supplies stainless steel 1.4542 / AISI 630 as round steel, sheet metal, ring, round bar, or custom-made parts according to your specifications.


Composition

  • C: max. 0,07%
  • Cr: 15,0-17,0%
  • Cu: 3,00-5,00%
  • Mn: max. 1,50%
  • Mo: max. 0,60%
  • Nb: 5 xC-0,45%
  • Ni: 3,00-5,00%
  • P: max. 0,040%
  • S: max. 0,015%
  • Si: max. 0,70%

Applications

  • Plant manufacturing
  • Machine engineering
  • Medical engineering
  • Aerospace

Application

  • Bolts and spindles in armatures engineering

Delivery form

  • Plate, hot rolled
  • Flatbar, hot rolled
  • Forgings
  • laser cuts
  • plasma cuts
  • waterjet cuts
  • saw cuts
  • Rings
  • Discs
  • Tailormade drawings
  • Bored roundbars


Questions about grade 1.4542

Thanks to its good combination of high corrosion resistance and good mechanical properties, material 1.4542 / AISI 630 is suitable for use in maritime environments. However, in standing seawater, material 1.4542 / AISI 630 is susceptible to crevice corrosion (PREN = 15.0–18.9).

Material 1.4542 / AISI 630 can be machined in both solution-annealed and hardened states. The machinability of material 1.4542 / AISI 630 depends on its hardness.

Material 1.4542 / AISI 630 is suitable for low temperatures and can be used up to approx. 315°C.

The density of material 1.4542 / AISI 630 is 7.8 kg/dm³.




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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