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Building Design and Construction Handbook - Merritt - Ventech!

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TABLE 8-2 Principal Mechanical Properties of Structural Quality Sheet, Strip, <strong>and</strong> Plate Steel<br />

ASTM<br />

designation Material Grade<br />

A570 Hot-rolled sheet <strong>and</strong> strip, carbon steel 30<br />

36<br />

40<br />

45<br />

50<br />

A606 Hot-rolled <strong>and</strong> cold-rolled sheet <strong>and</strong> strip, high-strength,<br />

low-alloy steel<br />

A607 Hot-rolled <strong>and</strong> cold-rolled, high-strength, low-alloy columbium<br />

or vanadium steels, sheet <strong>and</strong> strip, cut<br />

lengths or coils<br />

A611 Cold-rolled sheet, structural carbon-steel sheet, cut lengths<br />

or coils<br />

8.4<br />

Cut lengths<br />

Coils<br />

Annealed or<br />

normalized<br />

Cold rolled<br />

45<br />

50<br />

55<br />

60<br />

65<br />

70<br />

A<br />

B<br />

C<br />

D<br />

Minimum<br />

yield<br />

point, ksi<br />

30<br />

36<br />

40<br />

45<br />

50<br />

50<br />

45<br />

45<br />

45<br />

45<br />

50<br />

55<br />

60<br />

65<br />

70<br />

25<br />

30<br />

33<br />

40<br />

Minimum tensile<br />

strength, ksi<br />

Hot rolled Cold rolled<br />

49<br />

53<br />

55<br />

60<br />

65<br />

70<br />

65<br />

65<br />

60<br />

65<br />

70<br />

75<br />

80<br />

85<br />

65<br />

60<br />

65<br />

70<br />

75<br />

80<br />

85<br />

42<br />

45<br />

48<br />

52<br />

Minimum<br />

elongation, %<br />

in2in<br />

●<br />

●<br />

●<br />

●<br />

●<br />

22<br />

22<br />

22<br />

22<br />

HR§ CR§<br />

23 22<br />

20 20<br />

18 18<br />

16 16<br />

14 15<br />

12 14<br />

26<br />

24<br />

22<br />

20<br />

Bend test,<br />

180�, ratio<br />

of inside<br />

diameter<br />

to<br />

thickness<br />

1<br />

11 ⁄2<br />

2<br />

21 ⁄2<br />

3<br />

1<br />

1<br />

1<br />

1<br />

1<br />

1<br />

11 ⁄2<br />

2<br />

21 ⁄2<br />

3<br />

0<br />

1<br />

11 ⁄2<br />

2

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