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Focusing on the requirements of lightweight and high-strength structural components, 250450DP Dual Phase Steel Coils, with their unique material formulation and precision manufacturing process, have become a core material choice in the automotive, construction, and industrial machinery sectors. As a representative product of cold-rolled duplex steel, its grade parameters clearly define its performance—yield strength not less than 250MPa, tensile strength up to 450MPa or more. Relying on the synergistic effect of ferrite and island martensite, it ensures structural strength while also possessing excellent cold forming and welding performance, strictly complying with the Q/BQB 418-2014 standard.
| Parameter Category | Specific Specifications | Implementation Standard | Core Value |
| Product Grade | 250450DP Dual Phase Steel Coil(Galvanized Version Customizable) | Q/BQB 418-2014, GB/T 20564.2 | Multi-field adaptation, balanced strength and plasticity, stable performance |
| Thickness Range | 0.4~3.0mm (Regular: 0.5~2.3mm), Customizable | Q/BQB 401, Automobile Industry Standard | Adapt to different scenarios, precise tolerance, low processing loss |
| Width Range | 800~1850mm, Support Cutting on Demand | Q/BQB 401, Automobile Industry Standard | Adapt to various mold sizes, flexibly meet production needs |
| Mechanical Properties | Yield Strength: 250~320MPa, Tensile Strength: ≥450MPa, Elongation: ≥27%, Hardness: HRC20~35 | GB/T 228, Q/BQB 418-2014 | Balanced strength and plasticity, impact and wear resistance, suitable for complex stress scenarios |
| Chemical Composition | C: ≤0.15%, Si: ≤0.60%, Mn: ≤2.50%, P: ≤0.040%, S: ≤0.015%, Alt: ≥0.005% | Q/BQB 418-2014 | Low-carbon formula ensures weldability and corrosion resistance, stable performance |
| Surface Grade | FB (Higher Grade), FC (High Grade); Galvanized Version Customizable | Q/BQB 418-2014, Automobile Industry Standard | Smooth and flat, suitable for painting and electroplating, no additional polishing required |
| Delivery Status | Cold Rolling + Continuous Annealing + Leveling, Regular Oil Coating (Oil-free Customizable) | Q/BQB 418-2014, Automobile Industry Standard | Rust-proof within 6 months, stable processing performance, suitable for multiple procedures |
| Foreign Trade Guarantee | Complete Customs Declaration Documents (Certificate of Origin, MTC, Fumigation Certificate, etc.) | Customs Specifications | Adapt to global procurement customs clearance, ensuring fast delivery |
Nature Steel strictly adheres to the quality standards of the automotive industry and industrial manufacturing, using raw materials directly supplied by Baosteel and precision cold rolling technology. It conducts all production and quality inspection in-house, refusing outsourcing. Certified by ISO9001 and TS 16949 quality management systems, the following are real photos and qualification displays to give you greater peace of mind when purchasing.
The workshop is equipped with a fully automated cold rolling production line and a precise temperature-controlled annealing system. The entire process is CNC-controlled, from billet smelting and cold rolling to annealing and leveling. Every step strictly adheres to the Q/BQB 418-2014 standard and industry specifications, precisely controlling chemical composition and process parameters. Pickling and annealing processes are optimized to prevent the oxidation and enrichment of Mn and Si elements, ensuring the stable formability and weldability of 250450DP Dual Phase Steel Coils. The production process is transparent and traceable, guaranteeing that every batch of products meets the requirements of various applications.
✅ Free Sample Delivery: We provide standard 250450DP Dual Phase Steel Coil samples, sold in single-piece batches, each accompanied by a simple test report (including mechanical properties and surface grade test data). This allows you to intuitively assess the product's strength and formability, confirming compliance with production standards. We also offer molding parameter suggestions.
✅ Custom Sample Making: We support custom sample making with special thicknesses, widths, and surface grades (including galvanized plates). We precisely process samples according to customer mold drawings, providing a 1:1 reproduction solution and a complete test report. We assist customers in completing product compatibility testing and optimizing stamping die design.
✅ Full International Trade Support: A dedicated salesperson handles sample logistics, providing real-time tracking numbers and assisting with overseas customs clearance. We also offer relevant industry certification support to ensure safe and fast sample delivery, helping customers quickly confirm their purchasing decisions.
Address
No. 696, Binhai 12th RoadBinhai Industrial Park, Wenzhou Economic & Technological Development ZoneWenzhou, Zhejiang Province, P.R.China
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