This low carbon steel has good case hardening properties. Although not classed as a screw machine steel, at times it may be specified. This is an excellent steel for bending and cold forming, with good brazing and welding properties.

Shape	Round, Square, Flat, Hexagon
Grade	1018
Tolerance	Meets cold finished carbon steel bar manufacturing tolerances
Application	Case hardened parts where core strength is not critical. Widely used in shafting applications

Specifications

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Available Sizes

All Shapes All popular sizes

Available Length

Round 11'/13'-20' Squares 11'/13' Hexagon 11'/13' Flat 11'/13'

Available Finishes

All Shapes Standard "as drawn" finish All Shapes Ground and Polished All Shapes Turned Ground and Polished All Shapes Turned and Polished

Chemistry

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Chemistry

Carbon 0.15/0.20 Maganese 0.60/0.90 Phosphorus 0.04 (Max) Sulphur 0.05 (Max)

Mechanical Properties

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Mechanical Properties

Tensile Strength 64,000psi Yield Strength 54,000psi Elongation in 2" 15% Reduction of Area 40% Brinell Hardness 126