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2021-02-26 作者:Datong Hydraulic

What is CK45 material?

What is CK45 material?
2021-02-26 作者:Datong Hydraulic

CK45 /AISI 1045 steel  shows reasonable strength and toughness. AISI 1045 will through harden to 2.5” (63mm) with a tensile strength of 66-120 Ksi (620-850 MPa) . This grade of steel is used for axles, bolts, forged connecting rods, crankshafts, torsion bars, light gears, guide rods etc .

Heat Treatment of AISI 1045 (CK45)
  •  AISI1045 (CK45) Annealing

Full annealing of small C1045 forgings is carried out from 1450-1600ºF (790-870ºC)
followed by furnace cooling at 50ºF (28ºC) per hour, to 1200ºF (650ºC) soaking and air cooling.

  • AISI 1045 (CK45)  Hardening

Hardening of this grade is carried out from an austenitizing temperature of 1475-1550ºF (800-845ºC) and oil or water quenching.

Flame and induction hardening may be carried out by heating quickly to the desired case depth and quenching in water or oil. This should be followed by a tempering treatment at 300-400ºF (150-200ºC) to reduce stresses in the case without affecting its hardness. A surface hardness of Rc 58 may be obtained by this treatment.

  • Quenching of AISI 1045 (CK45)  material

Quenching temperature / ℃ | salt bath furnace: 870

Quenching temperature / ℃ | controlled atmosphere furnace: 870

The heat preservation time/min: 5 ~ 15

Quenching medium: Water cooling

  • Tempering Of AISI1045 (CK45) 

Tempering temperature / ℃ : 552

After tempering hardness HRC or higher: 201-269HB .

Application of AISI 1045 (CK45) 

Suitable for manufacturing various strong cutting tools with wear-resistant, resistant to impact. Advanced punching die, screw die, the toughness and complicated shape of the punch, etc. Roll cutting tool industry: scraper, serrated knife, iron knives, drill bits, etc.

Forging industry: forging die.

Screw industry: heading forming mould, such as teeth, punch

Hydraulic Industry: CK45 chrome plated bars,CK45 seamless cold drawn steel tubes, CK45 honed tubes.

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