China 30CrMoV9-Alloy steel

5/5

China 30CrMoV9-Alloy steel is suitable for parts of high strength and ductility requirements at mean and higher heat-treatment sections in vehicle manufacturing, engine and machine engineering (e.g. crankshafts, jointed shafts, spindles). Furthermore application to nitride steel. Lowest application temp. -40 °C.

 

EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels

Commonly used in industries such as offshore, marine, food, paper mills, oil field and aerospace. 30CrMoV9 used components such as fasteners, couplings, scres, bushings, studs, fittings, value stems, roller, wear rings.

C Si Mn Ni P S Cr Mo V
0.26 – 0.34 max   0.4 0.4-0.7 max 0.6 max   0.035 max   0.035 2.3-2.7 0.15-0.25 0.1-0.2
EU Russia Inter
EN GOST ISO
30CrMoV9 30KH3MF 30CrMoV9
Surface Finish Size Tolerance Length
Black For Forged condition (0,+5 mm) Multiple Length/Fixed Length
Black For Rolled condition (0,+1mm)
Rough Turned (0,+3mm)
  • Tensile Strength:min 800 N/mm2
  • Yield Strength:min. 590N/mm2
  • Elongation:min.12 %(l)
  • Kv-Imapct value:min.35J (l)
  • +A   Soft annealed/Soft annealing
  • +N   Normalized/Normalizing
  • +QT  Quenched and Tempered
  • +U   Untreated
  • +SR  Stress Relieved

Normalizing:860℃-900℃,Cool in air

Soft Annealing:680℃-720℃,Cool slowly

Hardening:850 – 880°C,oil or polymer,840-850°C,water

Tempering:570°C – 680°C, cool in still air

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