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  • Alloy
1045

1045 Product Guide


Applications | Specifications | Mechanical and Chemical Data | Tolerances


Overview

A commonly used lower carbon steel with a wide range of applications due to the typical benefits of steel. 1045 steel exhibits medium tensile strength, good weldability and machinability, and high strength. Typically used in machinery parts, die forging, hot upsetting, gears, crankshafts, shafts, axles, bolts, studs, pinions, casters, and support plates.

 

Common Trade Names

UNS G10450, AISI 1045, C1045

 

Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

 

Products

1045 Sheet/Plate | 1045 Round Bar | 1045 Rectangle Bar | 1045 Square Bar


Applications

  • Machinery Parts
  • Die Forging
  • Gears
  • Shafts
  • Bolts

Specifications

ASTM

A108  



Physical Properties 1045
 
Cold Finish
TGP
Density 0.284 lb/in3 0.284 lb/in3
Ultimate Tensile Strength 90.6 ksi 97.9 ksi
Yield Tensile Strength 76.9 ksi 58.7 ksi
Shear Modulus 11,600 ksi 11,600 ksi
Shear Strength 59 ksi 59 ksi
Hardness Rockwell | Brinell B88 | 179 B94 | 212
Elongation at Break Percentage 12% 24%
Reduction of Area 35% 45%
Modulus of Elasticity 29,900 ksi 29,900 ksi
Poisson's Ratio 0.29 0.29
Machinability Percentage 64% 64%
Melting Point 2,590-2,660 °F 2,590-2,660 °F
Specific Heat 1.16 x 10^-1 BTU/lb-°F1.16 x 10^-1 BTU/lb-°F
Thermal Conductivity 346 BTU-in/hr-ft^2-°F 346 BTU-in/hr-ft^2-°F
Electrical Conductivity 7% IACS 7% IACS


Chemistry Information
Element
Percentage
Fe 98.7
Mn 0.8
S 0.05
C 0.45
P 0.04
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