Carbon Steel 1045

Carbon Steel 1045 is a medium-carbon steel that provides a good balance of strength, toughness, and wear resistance. It is readily machinable and can be through-hardened by heat treatment.

Machinability

64/100

Tolerance

±0.01 mm

Category

Carbon & Alloy Steel

Material Properties

PropertyValue
Tensile Strength585 MPa (85 ksi)
Yield Strength450 MPa (65 ksi)
Hardness170 HB
Density7.85 g/cm³
Machinability Rating64/100
Thermal Conductivity49.8 W/m·K
Melting Point1,460–1,510 °C
Tolerance±0.01 mm

Common Grades

1045 Cold Drawn1045 Hot Rolled1045 Annealed

Advantages

  • Good balance of strength and machinability
  • Through-hardenable
  • Cost-effective
  • Good wear resistance

Limitations

  • Poor corrosion resistance
  • Requires protective coatings
  • Moderate weldability

Common Applications

Gears

Shafts

Bolts

Studs

Axles

Connecting rods

Industries Served

AutomotiveIndustrial MachineryAgricultureConstruction

Available Surface Finishes

Black OxideZinc PlatingHard ChromePowder Coat

Need Carbon Steel 1045 CNC Parts?

Upload your CAD file and receive a detailed quote within 24 hours. No minimum order quantity.

Get a Free Quote