Steel Billets 5SP

Description

1. Product Overview
Steel Billets 5SP are high-strength, semi-finished long steel products manufactured via continuous casting, conforming to international 5SP grade standards for structural and rebar applications. Primary industrial use includes downstream rolling into reinforcing bars (rebar), wire rods, and light structural sections for construction and infrastructure projects. The key value proposition is exceptional ductility, weldability, and bendability combined with consistent mechanical properties, enabling defect-free rerolling and reduced scrap rates. Strategically, 5SP billets are critical for markets requiring seismic-resistant reinforcement, offering a balance of cost efficiency and performance that underpins large-scale urban development and heavy civil engineering.

2. Key Specifications & Technical Characteristics

• Chemical Composition (max %):

  • Carbon (C): 0.20–0.25%

  • Manganese (Mn): 0.60–0.90%

  • Silicon (Si): 0.15–0.30%

  • Phosphorus (P): ≤ 0.05%

  • Sulfur (S): ≤ 0.05%

• Grade Standard: 5SP (equivalent to ASTM A615 Grade 40/60, BS 4449, JIS G3112)

• Physical Characteristics:

  • Form: Square cross-section billets

  • Side length: 100mm, 120mm, 130mm, 150mm (±1.5mm tolerance)

  • Length: 6m, 9m, 12m (custom lengths available upon request)

  • Color: Mill scale gray (uncoated, natural oxide layer)

  • Density: ~7.85 g/cm³

• Packaging Options:

  • Bulk bundled with 4–6 steel straps

  • Unit weight per bundle: 2–5 metric tons (MT)

  • Colour-coded tags for grade traceability

• Shelf Life: Indefinite when stored in dry, non-corrosive conditions (avoid prolonged contact with standing water or saline environments)

3. Core Industrial Applications

• Primary industries: Construction, infrastructure, steel rerolling mills, precast concrete manufacturing

• Specific operational use cases:

  • Hot rolling into deformed reinforcing bars (rebar) for high-rise buildings, bridges, dams, and tunnels

  • Production of wire rods for mesh, fencing, and tie wires

  • Light structural sections for industrial sheds and modular housing

• Performance advantage over alternatives:

  • Compared to lower-grade billets (3SP), 5SP offers superior elongation (≥17%) and bendability without cracking, reducing rerolling mill downtime by up to 20%

  • Lower phosphorus/sulfur content minimizes hot shortness and cold cracking versus generic commercial grades

  • Consistent cross-section geometry improves rolling yield by 2–3% per ton, directly boosting mill EBITDA margins

4. Competitive Advantages

• Quality consistency: Mill test certificates (MTC) provided per batch; third-party SGS/Bureau Veritas inspection available at origin

• Supply reliability: Dedicated production line for 5SP with minimum 50,000 MT/month capacity from ISO 9001:2015 certified mills

• Logistics capability: Strategic port-side warehousing in major hubs (Houston, Rotterdam, Shanghai, Jebel Ali) enabling 14-day lead time to most global regions

• Price competitiveness: Direct mill allocation eliminates trader markups; volume discounts for 20,000+ MT contracts

• Sustainability: Billets produced via electric arc furnace (EAF) with up to 85% recycled scrap content, reducing CO₂ by 40% vs. integrated BOF route

• Technical support: In-house metallurgical team provides free rolling simulations and troubleshooting for rerolling parameters

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT (one bundled lot; smaller trial lots available at 5MT for first-time buyers)

• Loading capacity per 20ft container: 20 MT (tightly bundled, no overhang)

• Loading capacity per 40ft container: 25 MT (max weight limit)

• Loading capacity per bulk vessel: 5,000–50,000 MT (handysize to panamax)

• Delivery terms: FOB, CFR, CIF (INCOTERMS 2020)