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1018 low-carbon steel (mild steel)
Short Description:
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 avail...
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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)
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| Minimum Properties | Ultimate Tensile Strength, psi | 63,800
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| Yield Strength, psi | 53,700
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| Elongation | 15.0%
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| Rockwell Hardness | B71
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| Chemistry | |||
| Carbon (C) | 0.18%
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| Manganese (Mn) | 0.6 – 0.9%
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| Phosphorus (P) | 0.04% max
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| Sulfur (S) | 0.05% max
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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)
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| Minimum Properties | Ultimate Tensile Strength, psi | 67,000
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| Yield Strength, psi | 45,000
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| Elongation | 36.0%
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| Brinell Hardness | 137
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| Chemistry | |||
| Carbon (C) | 0.18-.20%
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| Manganese (Mn) | 0.6 – 0.9%
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| Phosphorus (P) | 0.04% max
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| Sulfur (S) | 0.05% max
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The above values are average and may be considered as representative of 1018 hot rolled steel.
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