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21CMoV5-7,1.7709,21CRMOV5-11,1.8070 Forgings

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Tensile strength, Rm = 700 - 850 MPa Yield point, Re > 550 MPa Elongation, A > 16% Contraction, Z > 60% Notch toughness, KV20℃ > 63 J

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  • Delivery status: Forged 、Q+T 、
  • Surface: Turned 、
  • Standard: DIN
  • Shape: Round, Flat, Square, Hexagon, Plate, Sheet, Other

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21CMoV5-7,1.7709,21CRMOV5-11,1.8070 Forgings Range of products
Product type Products Dimension Processes
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded

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Product Details

mechanical properties of 21CMoV5-7,1.7709 QT

  • Tensile strength, Rm = 700 - 850 MPa
  • Yield point, Re > 550 MPa
  • Elongation, A > 16% Contraction,
  • Z > 60% Notch toughness, KV20℃ > 63 J

Softening at 650 °C with slow cooling Slow relief annealing at 530 °C at furnace to at least 200 Normalizing at 950 - 980℃ with cooling in calm air Hardening at 930 - 950℃ in water, 940 - 960℃ in oil Tempering at a temperature of 650 ° c in the air for many hours depending on the size of the material

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