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AISI 1018
Conditions Tensile Properties 
T (°C)Treatment
25 carburized at 925°C, cooled, reheated to 775°C, water quenched, tempered at 175°C, core properties (round bar (19-32 mm))  Tensile Strength (MPa) 634 
Yield Strength (MPa) 386 
Elongation (%) 27 
Reduction in Area (%) 48 
25 cold drawn (round bar (50-76 mm))  Tensile Strength (MPa) 380 
Yield Strength (MPa) 310 
Elongation (%) 15 
Reduction in Area (%) 35 
25 cold drawn (round bar (16-22 mm))  Tensile Strength (MPa) 485 
Yield Strength (MPa) 415 
Elongation (%) 18 
Reduction in Area (%) 40 
25 cold drawn (round bar (32-50 mm))  Tensile Strength (MPa) 415 
Yield Strength (MPa) 345 
Elongation (%) 15 
Reduction in Area (%) 35 
25 cold drawn (round bar (22-32 mm))  Tensile Strength (MPa) 450 
Yield Strength (MPa) 380 
Elongation (%) 16 
Reduction in Area (%) 40 
25 cold drawn (round bar (19-32 mm))  Tensile Strength (MPa) 440 
Yield Strength (MPa) 370 
Elongation (%) 15 
Reduction in Area (%) 40 
25 cold drawn, high temperature, stress relieved (round bar (50-76 mm))  Tensile Strength (MPa) 345 
Yield Strength (MPa) 275 
Elongation (%) 15 
Reduction in Area (%) 40 
25 cold drawn, high temperature, stress relieved (round bar (32-50 mm))  Tensile Strength (MPa) 380 
Yield Strength (MPa) 310 
Elongation (%) 16 
Reduction in Area (%) 40 
25 cold drawn, high temperature, stress relieved (round bar (22-32 mm))  Tensile Strength (MPa) 415 
Yield Strength (MPa) 310 
Elongation (%) 20 
Reduction in Area (%) 45 
25 cold drawn, high temperature, stress relieved (round bar (16-22 mm))  Tensile Strength (MPa) 450 
Yield Strength (MPa) 310 
Elongation (%) 20 
Reduction in Area (%) 45 
25 cold drawn, quenched and tempered (round bar (19-32 mm))  Tensile Strength (MPa) 565 
Yield Strength (MPa) 485 
Elongation (%) 20 
Reduction in Area (%) 57 
25 hot rolled (round bar (19-32 mm))  Tensile Strength (MPa) 400 
Yield Strength (MPa) 220 
Elongation (%) 25 
Reduction in Area (%) 50 
25 hot rolled, quenched and tempered (round bar (19-32 mm))  Tensile Strength (MPa) 475 
Yield Strength (MPa) 275 
Elongation (%) 38 
Reduction in Area (%) 62 
Glossary