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1018

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 







1018 cold rolled steel is a general purpose low carbon steel with good case hardening qualities. It has higher manganese content than other low carbon grades, such as 1020. Due to the higher manganese content, 1018 is best used for carburized parts because it produces a harder and more uniform case. Due to size limitations of the cold drawing process, large diameter bars are generally turned and polished, the hot roll rounds are machine turned, rather than drawn, then polished.  1018 is available in rounds, flats, squares and hexagons.

 

1018 low-carbon steel (mild steel)

 

 

Minimum Properties

Ultimate Tensile Strength, psi

63,800

 

 

Yield Strength, psi

53,700

 

 

Elongation

15.0%

 

 

Rockwell Hardness

B71

 

 

 

Chemistry

 

Carbon (C)

0.18%

 

 

Manganese (Mn)

0.6 - 0.9%

 

 

Phosphorus (P)

0.04% max

 

 

Sulfur (S)

0.05% max

 

 

 

The above values are average and may be considered as representative of 1018 cold rolled steel.

 

1018 hot rolled steel is a general purpose low carbon steel with good case hardening qualities. It has higher manganese content than other low carbon grades, such as 1020. Due to the higher manganese content, 1018 is best used for carburized parts because it produces a harder and more uniform case. Due to size limitations of the cold drawing process, large diameter bars are generally turned and polished, the hot roll rounds are machine turned, rather than drawn, then polished.  1018 is available in rounds, flats, squares and hexagons.

 

1018 low-carbon hot rolled  steel (mild steel)

 

Minimum Properties

Ultimate Tensile Strength, psi

67,000

 

Yield Strength, psi

45,000

 

Elongation

36.0%

 

Brinell Hardness

137

 

 

Chemistry

 

Carbon (C)

0.18-.20%

 

Manganese (Mn)

0.6 - 0.9%

 

Phosphorus (P)

0.04% max

 

Sulfur (S)

0.05% max

 

       

 

The above values are average and may be considered as representative of 1018 hot rolled steel.

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