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Carbon Steels 1045

Related Metals:

Specifications:

Chemistry Data

Carbon

0.42 - 0.5

Iron

Balance

Manganese

0.6 - 0.9

Phosphorus

0.04 max

Sulphur

0.05 max

General Information

Principal Design Features

1045 is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished bars can be machined unsymmetrically with minimum distortion.

Applications

Used in gears, shafts, axles, bolts, studs, and machine parts.

Heat Treatment

Suitable for flame and induction hardening.

Forging

Can be hammer forged and responds to heat treatment.

Physical Data

Density (lb / cu. in.)

0.283

Mechanical Data

Form

Round Bar

Condition

Cold Drawn

Temper

68

Tensile Strength

91

Yield Strength

77

Elongation

12

Reduction of Area

35

Rockwell

C15

Brinnell

179

Form

Round Bar

Condition

Hot Rolled

Temper

68

Tensile Strength

82

Yield Strength

45

Elongation

16

Reduction of Area

40

Rockwell

C16

Brinnell

163