Carbon Steel 1060

Chemical Analysis
C Carbon
0.55– 0.65
Mn Manganese
0.60– 0.90 max
P Phosphorus
0.04 max
S Sulfur
0.05 max

General characteristics of Carbon Steel 1060

1060 is a general purpose engineering steel used where high strength and toughness are not major requirements.

Applications

This medium carbon steel is used for components of small cross section requiring low tensile strength, and heavy forgings in the normalized condition for automotive and general engineering such as axles, clutch members, shafts, pressed and punched parts, piston rods and gear racks.

Forging

This steel would be forged between 2200 and around 1700ºF (1230 and 925ºC.) After forging the steel might be transferred to a furnace held at roughly the forging finishing temperature, as a preliminary to an annealing cycle.

Heat treatment

Annealing

This steel is annealed at a temperature from 1450-1550ºF (790-840ºC), furnace cooled at around 50ºF (28ºC) per hour to 1200ºF (650ºC) soaked and air cooled. This will give a structure of coarse lamellar pearlite to coarse spheroidite, a structure for optimum machinability.

Normalizing

This steel is normalized at a nominal temperature of around 1650ºF (900ºC), followed by air cooling.

Hardening

The steel is austenitized at 1475-1550ºF (800-845ºC) and will be water or oil quenched following this heat treatment, depending upon section size and complexity.

Tempering

Parts will be tempered at an appropriate temperature, based on experience, coincident with property requirements.

Machinability

Optimum machinability is obtained from a coarse lamellar pearlite to coarse spheroidite structure.

Weldability

In the event that welding is a requirement, constant preheating and post-weld stress relief should be employed.

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