TYPE 1 |
Medium carbon, carbon boron, or medium carbon alloy steel. |
TYPE 2 |
Withdrawn November 1991. |
TYPE 3 |
Weathering steel. |
|
T |
Fully threaded A325. (Restricted to 4 times the diameter in length) |
M |
Metric A325. | Connection Types
SC |
Slip critical connection. |
N |
Bearing type connection with threads included in the shear plane. |
X |
Bearing-type connection with threads excluded from the shear plane. | Mechanical Properties
Size | Tensile, ksi | Yield, ksi | Elong. %, min | RA %, min |
1/2 - 1 |
120 min |
92 min |
14 |
35 |
1-1/8 - 1-1/2 |
105 min |
81 min |
14 |
35 | Recommended Nuts and Washers
Nuts | Washers |
Type 1 | Type 3 | Type 1 | Type 3 |
Plain | Galvanized | Plain |
A563C, C3, D, DH, DH3 |
A563DH |
A563C3, DH3 |
F436-1 |
F436-3 |
Note: Nuts conforming to A194 Grade 2H are a suitable substitute for use with A325 heavy hex structural bolts. The ASTM A563 Nut Compatibility Chart has a complete list of specifications. | |