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ASTM A354
Scope
The ASTM A354 specification covers the chemical and mechanical requirements of quenched and tempered alloy steel bolts, studs, and other externally threaded fasteners 4″ and under in diameter.
Two strength levels, grade BC and grade BD, are summarized in the chart below. This specification is unrestricted in its configuration and can be a headed bolt, bent bolt, or threaded rod. A354 Specification covers Grade BC & Grade BD Anchor Bolts,Threaded Rods & Headed Bolts for sizes larger than 1/2".Sunflex Metal Manufactures & Supplies these bolt fasteners. For quick Quote on A354 Bolts/Studs, please contact our Sales team.
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A354 Grades
| A354 BD | A354 grade BD bolts are higher in strength than A354 grade BC and equal in strength to ASTM A490 bolts. Unlike ASTM A490 however, the A354 BD specification is unrestricted in its configuration. Since A490 bolts are heavy hex structural bolts and do not exceed 1-1/2" diameter, specification A354 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. A354 grade BD does not require a magnetic particle test as is required by the A490 specification. Research conducted on bolts of similar material and manufacture indicates that hydrogen-stress cracking or stress cracking corrosion may occur on hot-dip galvanized Grade BD bolts. For more information about this subject, please see our FAQ that addresses galvanizing of high strength bolts. |
|---|---|
| A354 BC | Lower in strength than grade BD. |
A354 Mechanical Properties
| 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 - 2-1/2 | 150 | 130 | 14 | 40 |
| 2-5/8 - 4 | 140 | 115 | 14 | 40 |
A354 Chemical Properties
| Element | Sizes 1/4 to 1-1/2 | Sizes above 1-1/2 |
|---|---|---|
| Carbon | 0.30 - 0.53% | 0.35 - 0.53% |
| Phosphorus, max | 0.035% | 0.035% |
| Sulfur, max | 0.040% | 0.05% |
A354 Recommended Hardware
| Nuts | Washers | |||
|---|---|---|---|---|
| Grade BC | Grade BD | |||
| Plain | Galvanized | Plain | ||
| A563C Heavy Hex | A563DH Heavy Hex | A563DH Heavy Hex | F436 | |
| * Nuts of other grades load stresses greater than the specified grade are suitable. Follow the link for an ASTM A563 Nut Compatibility Chart. | ||||
ASTM Specifications for Bolt Fasteners
| A193 | - Alloy steel and stainless steel bolting materials for high temperature or high pressure service. |
| A307 |
|
| A320 |
|
| A325 |
|
| A354 |
|
| A449 |
|
| A453 |
|
| A490 |
|
| F568 | - Standard for metric bolts, screws and studs that are used in general engineering applications |
| F593 |
|
| F1554 |
|
ASTM Specifications for Nuts
ASTM Specifications for Washers
| F436 | - Specification for Hardened Steel Washers , carbon steel, steel, washers, weathering steel, Hardened steel washers |
| F844 |
|
| F959 |
|
Astm A354 alloy studs bolts Application Industries
Sunflex Metal Industries are engaged in manufacturing of robust quality of Astm A354 alloy studs bolts. These Astm A354 alloy studs bolts are widely used in the following industries:
Mining Industries Transport Industries- Rail and Road Construction Industries / Building Systems Manufacturing Industries Agriculture Industries Energy Industries Water Industries Automotive Industries Ship Building Industries Nuclear Power Plant Paper & Pulp Industries Sugar Industries Engineering Cement Industries Petro-Chemical Industries Food Industries Oil & Gas Industries Chemical & Pharmaceutical Industries
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