Tensile Properties
NOTE1-The mechanical properties of hot-wrought bars ordered for cold finishing, shall be governed by the cold-finished size.
|
Class
|
Diameter, in. [mm]
|
Yield Strength, min,
ksi [MPa]A
|
Tensile Strength,
min, ksi [MPa]
|
Elongation
in 2 in. or
50 mm,
min, %
|
Reduction
of Area,
min, %
|
SAE or AISI Repre-
sentative
Grade TypesB
|
|
|
BBC
|
1 1⁄2 [38.1] and under
|
90[620] | 110[760] | 20 | 50 | } | 3100,4100, |
|
Over 1 1⁄2 to 2 1⁄2 [38.1 to 63.5], incl
|
80[550] | 105[720] | 20 | 50 | 8600,8700 | ||
|
Over 2 1⁄2 to 4 [63.5 to 114], incl
|
75[520] | 100[690] | 20 | 50 | |||
|
Over 4 to 7 [114 to 178], incl
|
75[520] | 95[660] | 20 | 50 | |||
|
Over 7 to 10 [178 to 254], incl
|
65[450] | 90[620] | 18 | 40 | |||
|
BCC
|
1 1⁄2 [38.1] and under
|
110[760] | 130[900] | 16 | 50 | } | 3100,4100,6100, |
|
Over 1 1⁄2 to 2 1⁄2 [38.1 to 63.5], incl
|
105[720] | 125[860] | 16 | 50 | 8600,8700 | ||
|
Over 2 1⁄2 to 4 [63.5 to 114], incl
|
95[660] | 115[790] | 16 | 45 | |||
|
Over 4 to 7 [114 to 178], incl
|
85[590] | 110[760] | 16 | 45 | |||
|
Over 7 to 10 [178 to 254], inc
|
80[550] | 105[720] | 15 | 40 | |||
|
BDC
|
1 1⁄2 [38.1] and under
|
130[900] | 155[1070] | 14 | 35 | } | 4100,4300, |
|
Over 1 1⁄2 to 2 1⁄2 [38.1 to 63.5], incl
|
120[830] | 150[1030] | 14 | 35 | 9800 | ||
|
Over 2 1⁄2 to 4 [63.5 to 114], incl
|
110[760] | 140[960] | 14 | 35 | |||
|
Over 4 to 7 [114 to 178], incl
|
105[720] | 135[930] | 14 | 35 | |||
|
Over 7 to 10 [178 to 254], incl
|
100[690] | 130[900] | 14 | 35 |
AThe carbon content of all steels listed in this column may vary up to 0.55 % max, as agreed upon by the manufacturer and the purchaser.
BDetermined by the 0.2 % offset method.
CClass BB, BC, BD hot-wrought; Class BB, BC cold-finished.
