This is basic screw machine steel. The grade is used as a standard of comparison for machinability (1212 is rated as 100%). It machines easily, provides good surface finish and has good brazing properties. This steel is difficult to weld and not suitable for case hardening. Generally used where mechanical properties can be sacrificed for machinability.

Shape	Round, Hexagon
Grade	1212
Tolerance	Meets cold finished carbon steel bar manufacturing tolerances
Application	Screw machine parts that are not subject to severe stresses.

Specifications

Back to Top

Available Sizes

Rounds A limited range of sizes Hexagon A limited range of sizes

Available Length

Round For best delivery lengths should be specified as 11'/13'. Hexagon For best delivery lengths should be specified as 11'/13'.

Available Finishes

Rounds, Hexagon Standard "as drawn" finish Rounds, Hexagon Ground and Polished Rounds, Hexagon Turned Ground and Polished Rounds, Hexagon Turned and Polished

Chemistry

Back to Top

Chemistry

Carbon 0.13 (Max) Maganese 0.70/1.00 Phosphorus 0.07/0.12 Sulphur 0.16/0.23

Mechanical Properties

Back to Top

Mechanical Properties

Tensile Strength 78,000psi Yield Strength 60,000psi Elongation in 2" 10% Reduction of Area 35% Brinell Hardness 167