Page 5 - Structural Steel Designers Handbook AISC, AASHTO, AISI, ASTM, and ASCE-07 Design Standards

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PROPERTIES OF STRUCTURAL STEELS AND EFFECTS OF STEELMAKING AND FABRICATION

STRUCTURAL STEELS, STEELMAKING, AND FABRICATION 1.3

TABLE 1.1 Specified Minimum Properties for Structural Steel Shapes and Plates*

Elongation, %
Structural shape Yield Tensile
ASTM Plate thickness flange or leg stress, strength, In 2 In
designation range, in thickness range, in ksi † ksi † in ‡ 8 in
A36 8 maximum All 36 58–80 23–21 20
Over 8 All 32 58–80 23 20
A529
1
Grade 50 1 maximum 1 / 2 max 50 70–100 21 18
1
Grade 55 1 maximum 1 / 2 max 55 70–100 20 17
A573
1
Grade 58 1 / 2 maximum ¶ 32 58–71 24 21
1
Grade 65 1 / 2 maximum ¶ 35 65–77 23 20
1
Grade 70 1 / 2 maximum ¶ 42 70–90 21 18
High-strength low-alloy steels
1
A242 3 / 4 maximum 1 / 2 max 50 70 21 18
1
Over / 4 to 1 / 2 max Over 1 / 2 to 2 46 67 21 18
3
1
1
Over 1 / 2 to 4 max Over 2 42 63 21 18
A588 4 maximum All 50 70 21 18
Over 4 to 5 max All 46 67 21 —
Over 5 to 8 max All 42 63 21 —
A572
Grade 42 6 maximum All 42 60 24 20
Grade 50 4 maximum All 50 65 21 18
Grade 55 2 maximum All 55 70 20 17
1
Grade 60 1 / 4 maximum 2 max 60 75 18 16
Grade 65 1 / 4 maximum 2 max 65 80 17 15
1
A992 ¶ All 50–65 65 21 18
Heat-treated carbon and HSLA steels
A633
Grade A 4 maximum ¶ 42 63–83 23 18
1
Grade C, D 2 / 2 maximum ¶ 50 70–90 23 18
1
Over 2 / 2 to 4 max ¶ 46 65–85 23 18
Grade E 4 maximum ¶ 60 80–100 23 18
Over 4 to 6 max ¶ 55 75–95 23 18
A678
1
Grade A 1 / 2 maximum ¶ 50 70–90 22 —
1
Grade B 2 / 2 maximum ¶ 60 80–100 22 —
Grade C 3 / 4 maximum ¶ 75 95–115 19 —
1
3
Over / 4 to 1 / 2 max ¶ 70 90–110 19 —
1
Over 1 / 2 to 2 max ¶ 65 85–105 19 —
Grade D 3 maximum ¶ 75 90–110 18 —
A852 4 maximum ¶ 70 90–110 19 —
A913 ¶ All 50 65 21 18
¶ All 60 75 18 16
¶ All 65 80 17 15
¶ All 70 90 16 14
(Continued)

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