Heat-Treatable Steel | 1.7709 | 21 CrMoV 5-7

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Description

21 CrMoV 5-7 (1.7709) is a high-strength alloy steel renowned for its exceptional toughness, excellent wear resistance, and superior hardenability. This material is particularly suitable for demanding applications in the power generation, automotive, and machinery manufacturing industries, where components are subjected to significant mechanical stress and high temperatures. The alloy's composition, which includes chromium, molybdenum, and vanadium, enhances its mechanical properties and resistance to heat and oxidation, making it ideal for producing turbine blades, pressure vessels, and high-temperature furnace parts. At Rosswag, we utilize advanced open-die forging and precise machining techniques to process 21 CrMoV 5-7 (1.7709), ensuring components of the highest quality and performance. The combination of high strength, toughness, and heat resistance makes 21 CrMoV 5-7 (1.7709) a preferred choice for industrial applications requiring robust and long-lasting materials.

Material-Category

Heat-Treatable Steel

Material-No.

1.7709

Designation

21 CrMoV 5-7

Norm / Standards

EN 10269

Geometries & Products

  • Forged rings
  • Rolled rings
  • Forged disks
  • Rolled disks
  • Bushes
  • Square parts
  • Shafts
  • Stepped shafts
  • Open-die forgings
  • Individual complex geometries
Services
Industries

Max. operating weight

  • 4000 kg

Max. ring diameter

  • 3000 mm

Acceptances

  • 2.2 Certificate
  • 3.1 Certificate
  • 3.2 Certificate
  • 3.2 Certificate with TÜV Süd
  • 3.2 Certificate with TÜV Nord
  • 3.2 Certificate with DNV (Det Norske Veritas)
  • 3.2 Certificate with ABS (American Bureau of Shipping)
  • 3.2 Certificate with Lloyds Register of Shipping
  • 3.2 Certificate with RINA (Registro Italiano Navale) 
  • 3.2 Certificate with BV (Bureau Veritas)
  • 3.2 with SVTI (Schweizerischer Verein für technische Inspektionen)
  • 3.2 with IBR (Indian Boiler Regulation)
  • 3.2 with LRQA
Certificates and Standards

Process

Processing status

raw / unmachined

pre- machined

finish machined according to drawing

How can we help you?

Do you have questions about the feasibility of a project? Then simply contact us directly!

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