ASTM A449
(INCH STANDARDS ONLY) Standard specification for quenched and tempered steel hex head screws, bolts, and threaded rod in diameters ranging from 1/4 in. to 3 in. and intended for general engineering use.
| TYPES |
|
| TYPE 1 |
Plain carbon steel, carbon boron steel, alloy steel, or alloy borron steel |
| TYPE 2 |
Withdrawn in 2003 |
| TYPE 3 |
Weathing steel |
| Size |
Tensile, ksi |
Yield, ksi |
Elong. %, min |
RA %, min |
| 1/4 - 1 |
120 min |
92 min |
14 |
35 |
| 1-1/8 - 1-1/2 |
105 min |
81 min |
14 |
35 |
| 1-5/8 - 3 |
90 min |
58 min |
14 |
35 |
| Nuts |
|
|
|
Washers |
|
| Plain |
|
Galvanized |
|
|
|
| 1/4 - 1-1/2 |
1-5/8 - 3 |
1/4/2003 |
|
|
|
| A563B Hex |
A563A Heavy Hex |
A563DH Heavy Hex |
|
F436 |
|
| NOTES: Nuts of other grades having proof load stresses greater then the specified grades are suitable. |
|
