Source F1554 Grade 55 steel bar for anchor bolt applications from King Steel Corp, a trusted domestic steel supplier. We’ve served manufacturers in all industries since our founding over 50 years ago. Partnering with King Steel means getting the “King” treatment: flexible delivery, responsive support, better customization, and competitive prices.
Beyond sourcing high-quality carbon, alloy, and high-strength, low-alloy (HSLA) steel, we also provide a variety of value-added, in-house capabilities, including warehousing support for JIT delivery, transloading and logistics solutions, and processing services like machining, heat treating, and descaling.
| Carbon | 0.26-0.28 |
| Manganese | 0.90 (max) |
| Phosphorus | 0.04 (max) |
| Sulfur | 0.05 (max) |
| Copper* | 0.20 |
*Please specify if copper is required.
F1554 Grade 55 structural steel is used for support components in concrete construction, including:
Grade 55 offers good weldability and ductility and a higher load capacity than Grade 36.
| Grade | Available Sizes | Available Shapes | Tensile Strength | Yield Strength | Elongation % | Supplementary Requirements |
|---|---|---|---|---|---|---|
| 55 | 0.5” – 4” | Hex, Octagon | 55 ksi (min) | 380 MPa (min) | 21 (min) | S1: When weldability is needed S2: Permanent Manufacturer’s Identification S3: Permanent Grade Identification S4: Charpy impact testing requirement |
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