ASTM A354 Grade BC should be considered for anchor bolts, threaded rods, other styles of headed bolts, and bolts larger than 1-1/2" diameter where mechanical properties desired are lower than Grade BD
| Grade BC | ASTM A354 Grade BC is similar to BD with little lower strength. |
| Grade BD | ASTM A354 Grade BD should be considered for anchor bolts, threaded rods, other styles of headed bolts, and bolts larger than 1-1/2" diameter where similar mechanical properties are desired. |
| Element | ||
|---|---|---|
| Sizes | ||
| 1/4" to 1-1/2" | Above 1-1/2" | |
| Carbon, Max | 0.30 - 0.53% | 0.35 - 0.53% |
| Phosphorus, Max | 0.035% | 0.035% |
| Sulfur, Max | 0.040% | 0.040% |
| Grade | Size | Tensile, min, ksi | Yield, min, ksi | Elongation, min, % | Reduction of Area, min, % |
|---|---|---|---|---|---|
| BC | 1/4" to 2-1/2" 2-5/8" to 4" |
125 115 |
109 99 |
16 16 |
50 45 |
| BD | 1/4" to 2-1/2" 2-5/8" to 4" |
150 140 |
130 115 |
14 14 |
40 40 |
| ASTM A354 Grade BC | ASTM A354 Grade BD | Washers | |
|---|---|---|---|
| Plain | Galvanized | Plain | |
| ASTM A563C Hex | ASTM A563DH Heavy hex | ASTM A563DH Heavy Hex | ASTM F436 |
| Grade BC | Grade BC Bolts are marked or stamped with "354BC" along with optional manufacturer's Initial or logo. |
|---|---|
| Grade BD | Grade BD Bolts are marked or stamped with "354BD" along with optional manufacturer's Initial or logo. |