ASTM A354
A354 is a ASTM International specification for bolts and studs. A354 covers alloy steel steel bolts, studs, and other externally threaded fasteners 4" and under in diameter for application at normal atmospheric temperatures, where high strength is required. Also for limited application at elevated temperatures.
ASTM A354
A354 is a ASTM International specification for bolts and studs.
A354 covers alloy steel steel bolts, studs, and other externally threaded fasteners 4" and under in diameter for application at normal atmospheric temperatures, where high strength is required. Also for limited application at elevated temperatures.
A354 Grades
A354 Grade BC:
Lower strength grade than BD.
A354 Grade BD:
A354 is higher strength than grade BC and equal in strength to A490. Unlike A490, A354 does not have a diameter restriction and does not require a magnetic particle test.
A354 MECHANICAL PROPERTIES |
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|---|---|---|---|---|---|
| Grade | Size | Tensile, ksi, min | Yield, ksi, min | Elong. % min | RA min |
| BC | 1/4" - 2-1/2" | 125 | 109 | 16 | 50 |
| 2-5/8" - 4" | 115 | 99 | 16 | 45 | |
| BD | 1/4" to 2-1/2" | 150 | 130 | 14 | 40 |
| 2-5/8" - 4" | 140 | 115 | 14 | 40 |
A354 CHEMICAL PROPERTIES |
||
|---|---|---|
| Element | 1/4" to 1-1/2" | Above 1-1/2" |
| Carbon | 0.30% - 0.53% | 0.35% - 0.53% |
| Phosphorus, max | 0.035% | 0.035% |
| Sulfur, max | 0.04% | 0.05% |
A354 RECOMMENDED HARDWARE |
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|---|---|---|---|
| Grade | Finish | Heavy Hex Nut | Washer |
| BC | plain | A563 Grade C | F436 |
| zinc plated | A563 Grade DH | F436 | |
| galvanized | A563 Grade DH | F436 | |
| BD | all finishes | A563 Grade DH | F436 |
Note: Nuts of other grades and styles having specified proof of load stresses (per ASTM A563 specification) greater than the specified grade and style of nut are suitable.