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| Property | Parameter | Description |
|---|---|---|
| Product Name | High Strength Flat Steel | Hot-rolled high strength structural flat steel bar |
| Material Grade | Q460 / S460 / ASTM A572 Gr.50 | Equivalent grades: EN S460N, JIS SM490, GB/T Q460C |
| Standard Compliance | ASTM A572, EN 10025-3, GB/T 1591 | International structural steel standards for high strength applications |
| Carbon (C) | ≤ 0.20% | Controlled carbon content for weldability and toughness |
| Manganese (Mn) | ≤ 1.70% | Enhances strength and hardenability |
| Silicon (Si) | ≤ 0.60% | Deoxidizer improving strength |
| Phosphorus (P) | ≤ 0.025% | Restricted to ensure ductility and toughness |
| Sulfur (S) | ≤ 0.020% | Low sulfur for improved impact resistance |
| Vanadium (V) / Niobium (Nb) | V ≤ 0.20% / Nb ≤ 0.05% | Micro-alloying elements for grain refinement and precipitation strengthening |
| Tensile Strength | 550 - 720 MPa | Per ASTM A572 Gr.50 / EN 10025-3 S460N requirements |
| Yield Strength | ≥ 460 MPa | Minimum yield point ensuring structural load-bearing capacity |
| Elongation | ≥ 17% | Measured on gauge length of 200 mm per standard test methods |
| Thickness Range | 5 - 80 mm | Customizable thickness to meet project specifications |
| Width Range | 40 - 600 mm | Standard and custom widths available |
| Length Range | 6,000 - 12,000 mm | Cut-to-length service available upon request |
| Surface Finish | Hot-rolled / Shot-blasted / Painted | Optional anti-corrosion primer coating (SA 2.5 blast cleaning) |
| Application | Bridges, buildings, heavy machinery, crane booms, offshore structures | Ideal for load-bearing components requiring high strength-to-weight ratio |
| Certification | ISO 9001, EN 10204 3.1 MTC, SGS, BV | Mill test certificate provided with each shipment |
| Packaging | Bundled with steel strips, waterproof paper wrapped | Seaworthy export packaging with identification tags |
| MOQ | 5 Metric Tons | Smaller quantities negotiable for trial orders |
Minor Dimensional Issue Resolved Satisfactorily
Ordered 6 tonnes of S355J2 flat steel, 16mm x 200mm x 9m. About 15% of the pieces had width running slightly over tolerance — measured 202.5mm against the EN 10058 limit. Contacted their support team and they responded within a few hours, offered a credit note and expedited a replacement batch that arrived within 3 weeks. The replacement material was perfect. Mechanical properties on all material were fine. Appreciate that they handled the issue professionally rather than disputing it. Would cautiously reorder with tighter inspection instructions.
Ordered 6 tonnes of S355J2 flat steel, 16mm x 200mm x 9m. About 15% of the pieces had width running slightly over tolerance — measured 202.5mm against the EN 10058 limit. Contacted their support team and they responded within a few hours, offered a credit note and expedited a replacement batch that arrived within 3 weeks. The replacement material was perfect. Mechanical properties on all material were fine. Appreciate that they handled the issue professionally rather than disputing it. Would cautiously reorder with tighter inspection instructions.
