Product

China 36NiCrMo16-Alloy steel

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China 36NiCrMo16-Alloy steel is an alloy steel formulated for primary forming into wrought products. Cited properties are appropriate for the quenched and tempered condition. 1.6773 is the EN numeric designation for this material.36NiCrMo16 Alloy Steel is a quench and tempering special NiCrMo steel, characterized by very high tensile strength together with good toughness. It is usable in the hardened and stress relieved state. It can harden in the air up to thicknesses equal to 90 mm.

Reference standard

  • EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels
  • EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels

Application

China 36NiCrMo16-Alloy steel is often used to make parts that require high strength, torsion and impact resistance, such as machine drive shafts, crankshafts, gears, worms, connecting rods, bolts, nuts, fasteners, etc.

Chemical composition

C Si Mn Ni P S Cr Mo
0.32-0.39 max   0.4 0.5 – 0.8 3.6-4.1 max   0.025 max   0.025 1.8 – 2.0 0.25 – 0.45

Equivalent Grades

EU Germany England China Russia Inter
EN DIN,WNr BS GB GOST ISO
36CrNiMo16 30CrNiMo8 835M30/EN30B 30Cr2Ni2Mo 3KH3M3F 31CrNiMo8

Size Tolerance

Surface Finish Size Tolerance Length
Black For Forged condition (0,+5mm) Multiple Length/Fixed Length
Black For Rolled condition (0,+1mm)
Rough Turned (0,+3mm)

Mechanical properties

  • Tensile Strength:min 1000 N/mm2
  • Yield Strength:min. 800 N/mm2
  • Elongation:min.11 %(l)
  • Kv-Imapct value:min.45 J (l)

Heat Treatment Conditions

  • +A   Soft annealed/Soft annealing
  • +N   Normalized/Normalizing
  • +QT  Quenched and Tempered
  • +U   Untreated
  • +SR  Stress Relieved

Normalizing:850-880°C.,Cool in air

Soft Annealing: 650-680°C, cool slowly.

Stress Relieving:630-650°C then cool in the furnace or in still air.

Hardening: 855-885°C followed by oil or quenching

Tempering:450-650°C, cool in still air

Round, square, hexagonal hot-rolled bars 36NiCrMo16

Forgings 36NiCrMo16

Drawn and peeled bars 36NiCrMo16

Forged square and round bars 36NiCrMo16

Forged flat bars 36NiCrMo16

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