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Help CenterFlat Steel， Carbon Steel: Q235B, Q355B, 45#, SS400, A36, S235JR, S275JR • Low Alloy Steel: Q355 Series • Custom Grades Available Upon Request
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Steel Flat Bar – Detailed Product Description
1. Product Overview
Steel flat bar is a solid rectangular long steel product, manufactured by advanced hot‑rolled or cold‑drawn process. With stable chemical composition, precise dimensional tolerance, flat surface and excellent mechanical properties, it is easy for cutting, bending, drilling, welding and further machining. Widely used in construction, engineering, electrical power, machinery manufacturing, metal fabrication and infrastructure projects. We provide standard sizes and customized processing to meet global market requirements.
2. Available Materials
• Carbon steel: Q235B, Q355B, 45#, SS400, A36, S235JR, S275JR
• Low alloy steel: Q355 series
• Custom grades available upon request
3. Technical Specifications
• Width: 12mm – 200mm
• Thickness: 3mm – 60mm
• Length: 3m, 6m, 9m, 12m; customized fixed length, cut‑to‑length service available
• Surface Finish: Hot rolled black surface, hot‑dip galvanized, electro‑galvanized, pickled & oiled, polished
• Tolerance: Strictly follow GB/T 704, ASTM A36, EN 10025 standards
• Packing: Standard export seaworthy packing, bundled with steel strips, plastic film wrapped, mark with grade, size, batch number
4. Product Advantages
1. Stable mechanical performance, high tensile strength, good ductility and impact resistance
2. Uniform dimension, flat and smooth surface, low processing loss
3. Excellent weldability, bendability and machinability for all kinds of fabrication
4. Strict quality inspection: chemical composition test, tensile test, bending test, dimension inspection
5. Large stock of standard sizes, fast delivery time
6. One‑stop service: cutting, galvanizing, punching, bending, surface treatment
7. Professional export package for long‑distance sea transportation, anti‑rust and moisture‑proof
5. Application Scope
• Steel structure frames, supports, brackets and connecting parts
• Electrical grounding flat bar for power system
• Machinery parts, equipment base, chassis and metal frames
• Curtain wall keel, guardrail, handrail, fence components
• Pipeline fixing parts, construction hardware, stamping parts
• Engineering machinery, transportation facilities, agricultural equipment
6. Quality Control & Certification
• Each batch has MTC (Mill Test Certificate)
• Strict third‑party inspection acceptable (SGS, BV, TÜV)
• Follow international standards for export quality
• Anti‑rust treatment and seaworthy packing for long‑term ocean shipment
7. Trade Terms
• Available terms: EXW, FOB, CFR, CIF
• Payment: TT, LC (negotiable)
• MOQ: Small trial order acceptable for long‑term cooperation
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