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1045 Cold Rolled Steel Coil

1045 cold rolled steel coil is a medium carbon structural steel with good hot and cold workability and good mechanical properties. It is widely used in the industrial machinery manufacturing industry.

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1045 Cold Rolled Steel Coil

AISI 1045 is a medium carbon steel designed to be able to function in areas requiring greater strength and hardness. This steel possesses excellent size accuracy, concentricity, and straightness which together minimize wear in high speed applications. AISI 1045 can be formed into turned, ground and polished coils that can be machined unsymmetrically with limited distortion. They are often used in the production of gears, shafts, axles, bolts, studs and machine parts.

Product Parameters

Product Name 1045 Cold Rolled Steel Coil
Production Process Hot Rolling, Cold Rolling
Material Standards AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width 100mm-3000mm
Length 1m-12m, or Customized Size
Thickness 0.1mm-400mm
Delivery Conditions Rolling, Annealing, Quenching, Tempered or Standard
Surface Process Ordinary, Wire Drawing, Laminated Film

Chemical Composition

Element Content (%)
Carbon, C 0.43-0.50
Manganese, Mn 0.60-0.90
Sulfur, S 0.05 (max)
Phosphorous, P 0.04 (max)
Iron, Fe Balance

Mechanical Properties

Properties Metric Imperial
Tensile strength 585 MPa 84800 psi
Yield strength 450 MPa 65300 psi
Modulus of elasticity 200 GPa 29000 ksi
Shear modulus (typical for steel) 80 GPa 11600 ksi
Poisson’s ratio 0.29 0.29
Elongation at break (in 50 mm) 12 % 12 %
Hardness, Brinell 163 163
Hardness, Knoop (converted from Brinell hardness) 184 184
Hardness, Rockwell B (converted from Brinell hardness) 84 84
Hardness, Vickers (converted from Brinell hardness) 170 170

Scope of Application

The following are the application areas of AISI 1045 carbon steel:

  • Bolts
    ● Studs
    ● Gears
    ● Axles
    ● Shafts
    ● Machine parts.