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Callister - An introduction - 8th edition

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Processing Structure Properties Performance<br />

Low-carbon Full anneal, normalize,<br />

quench/temper<br />

Pearlite/ferrite<br />

180 < y < 350 MPa,<br />

15 < %EL < 35<br />

Plain carbon steels<br />

Medium-carbon Full anneal, normalize,<br />

quench/temper, spheroidize<br />

Pearlite, tempered<br />

martensite, spheroidite<br />

250 < y < 650 MPa,<br />

10 < %EL < 30<br />

High-carbon Quench/temper<br />

Tempered martensite<br />

400 < y < 980 MPa,<br />

10 < %EL < 15<br />

Refining Alloying Primary forming Low-alloy steels<br />

[Rolling (hot, cold),<br />

drawing, etc.]<br />

HSLA Normalize, quench<br />

Medium-carbon Quench/temper<br />

Pearlite, bainite,<br />

martensite/ferrite<br />

Tempered martensite<br />

300 < y < 550 MPa,<br />

15 < %EL < 25<br />

600 < y < 1800 MPa,<br />

5 < %EL < 30<br />

Applications<br />

(Section 11.2)<br />

Alloy steels<br />

Stainless<br />

Austenitic <strong>An</strong>neal<br />

Ferritic <strong>An</strong>neal<br />

Martensitic Quench/temper<br />

Tool Quench/temper<br />

Austenite<br />

Ferrite<br />

Tempered martensite<br />

Metal carbide particles,<br />

tempered martensite<br />

170 < y < 965 MPa,<br />

4 < %EL < 45<br />

170 < y < 450 MPa,<br />

15 < %EL < 30<br />

205 < y < 1900 MPa,<br />

2 < %EL < 22<br />

380 < y < 1930 MPa,<br />

4 < %EL < 25<br />

Figure 11.29 Schematic diagram that summarizes the elements of processing, structure, properties, and performance for steel alloys—from a materials<br />

engineering perspective.<br />

446 •

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