Steel Grade AISI C1018

This grade is produced in an electric arc or basic oxygen furnace and contains the greatest ductility of all carbon steel grades stocked in service centers. Stocked in cold finished bars in a variety of shapes and sizes, its relatively low carbon, manganese, phosphorus and sulfur content make it a natural choice for the production of parts that must be welded or subjected to severe cold forming such as crimping, thread rolling, flaring, bending, etc.

 American Specifications

ASTM A108-99


Carburized parts such as gears, pinions, worms, king pins, chain pins, rackets, dogs. Also suitable for parts requiring cold forming, crimping, swaging or bending. However, for severe bends, stress relieving may be necessary to prevent cracking

 Typical Chemical Analysis

Carbon 0.15 - 0.20%
Managnese 0.60 - 0.90%
Phosphorous 0.040% max
Sulfur 0.050% max

 Typical Mechanical Properties

Tensile strength (ksi) 85
Yield strength (ksi) 70
Elongation (% in 2") 28
Reduction of Area 55
Brinell 167
Rockwell B86

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