Alloy & Carbon Steel

Chemical Composition

Element	Min	Max
Carbon, C	0.40	0.50
Manganese, Mn	0.60	0.90
Silicon, Si	0.15	1.35
Sulfur, S	-.--	0.50
Phosphorous, P	-.--	0.50

Physical Properties

Properties	Metric
Modulus of elasticity [10^3x N/mm2]	190 - 210
Density [lbs/in3]	7.84
Thermal Conductivity [W/m.K]	15.1

Mechanical Properties

Diameter	Tensile Strength (MIDa)	Yield Strength (MPa)	Elongation Reduction (%) in Area (%)
cold drawn, round bar (16-22 mm)	655	585	12	35
cold drawn, round bar (32-50 mm)	585	515	10	30
cold drawn, round bar (50 - 75mm)	515	485	10	30
cold drawn, round bar (22-32 mm)	620	550	11	30
cold drawn, round bar (19-32 mm)	625	530	12	30
cold drawn, annealed, round bar (19-32 mm)	585	505	12	45
cold drawn, high temperature, stress relieved, round bar (16-22 mm)	655	515	15	45
cold drawn, high temperature, stress relieved, round bar (50-75 mm)	550	450	12	35
cold drawn, high temperature, stress relieved, round bar (32-50 mm)	585	485	15	40
cold drawn, high temperature, stress relieved, round bar (22-32 mm)	620	515	15	40
cold drawn, low temperature, stress relieved, round bar (22-32 mm)	655	585	11	30
cold drawn, low temperature, stress relieved, round bar (16-22 mm)	690	620	12	35
cold drawn, low temperature, stress relieved, round bar (50-75 mm)	585	515	10	25
cold drawn, low temperature, stress relieved, round bar (32-50 mm)	620	550	10	30
hot rolled, round bar (19-32 mm)	565	310	16	40
turned, ground and polished, round bar (19-32 mm)	875	405	24	45

Thermal Properties

20-100°C	20-200°C	20-300°C	20-400°C	20-500°C	20-600°C	20-700°C
11.6	12.3	13.1	13.7	14.2	14.7	15.1

Features

Heat Treatment

Tempering

Hardening

Normalizing

Soft Annealing

Forging