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DP500 Dual Phase Steel Coil High Energy Absorption for Auto is widely used in automotive body structures for components requiring extremely high impact resistance and energy absorption.
Door anti-collision beams: This is one of the most classic applications of DP500. In side collisions, the door anti-collision beams directly bear the impact force. DP500's high strength and energy absorption effectively prevent intrusion, protecting the occupants' chest and abdomen.
B-pillar reinforcement: The B-pillar is a core support for the side of the vehicle. B-pillar reinforcements made with DP500 can maintain the survival space of the passenger compartment in side collisions and rollover accidents.
Chassis longitudinal and transverse beams: As key load-bearing components of the chassis, DP500 can effectively transfer and disperse collision energy, protecting the engine and battery pack (for new energy vehicles) from direct impact.
Seat frames and seat belt fasteners: In high-speed collisions, the seat must withstand enormous inertial forces. DP500's high strength ensures that the seat will not collapse or break, guaranteeing that the occupants are firmly secured in a safe position.
Battery pack housing (new energy): For electric vehicles, DP500 is often used in the lower housing or anti-collision beam of the battery pack to prevent damage to the battery caused by road stones or side scraping.
| Parameter Category | Specific Specifications | Implementation Standard | Core Value (Automobile Adaptation) |
| Product Grade | DP500 Dual Phase Steel Coil High Energy Absorption for Auto | Q/BQB 418-2023, GB/T 20564.2 | High energy absorption, suitable for automobile anti-collision and energy absorption components, ensuring safety |
| Thickness Range | 0.5~2.3mm (Regular Specification), Customizable Special Thickness | Q/BQB 401, Automobile Industry Standard | Adapt to auto parts molds, thin specification helps vehicle lightweight |
| Width Range | 800~1850mm, Support Cutting on Demand | Q/BQB 401, Automobile Industry Standard | Adapt to various auto part sizes, reduce processing loss |
| Mechanical Properties | Yield Strength: 300~390MPa, Tensile Strength: ≥500MPa, Elongation: ≥23%, Yield Ratio: ≤0.6 | GB/T 228, Q/BQB 418-2023 | Balanced strength and plasticity, high energy absorption, impact resistance, suitable for anti-collision components |
| Chemical Composition | C: ≤0.15%, Si: ≤0.60%, Mn: ≤2.50%, P: ≤0.040%, S: ≤0.015%, Cr: ≤0.30%, Alt: ≥0.005% | Q/BQB 418-2023 | Low-carbon micro-alloy formula ensures stable weldability and energy absorption performance |
| Surface Grade | FB (Higher Grade), FC (High Grade); Galvanized Version Customizable | Q/BQB 418-2023, Automobile Industry Standard | Smooth and flat, suitable for painting and phosphating, no additional polishing required |
| Delivery Status | Cold Rolling + Continuous Annealing + Leveling, Regular Oil Coating (Oil-free Customizable) | Q/BQB 418-2023, Automobile Industry Standard | Rust-proof within 6 months, stable processing performance, suitable for multiple auto processing procedures |
| Foreign Trade Guarantee | Complete Customs Declaration Documents (Certificate of Origin, MTC, Fumigation Certificate, etc.) | Customs Specifications | Adapt to global auto parts foreign trade customs clearance, ensuring fast delivery |
Nature Steel has been deeply involved in the field of advanced high-strength steel for automobiles for many years. As a source supplier specializing in DP500 Dual Phase Steel Coil High Energy Absorption for Auto, we leverage our long-term cooperative advantages with leading steel mills such as Baosteel to create a full-chain service system integrating production, warehousing, customized processing, and foreign trade export. We strictly adhere to the Q/BQB 418-2023 standard and automotive industry specifications, upholding our commitment to quality. We conduct independent production and quality inspection throughout the entire process, overcoming technical challenges such as the microstructure control and surface quality control of duplex steel. We can provide complete customs clearance documentation and professional technical support. Having served thousands of automotive parts manufacturers both domestically and internationally, we have become the preferred partner for manufacturers of automotive anti-collision and energy-absorbing components due to our stable product quality, cost-effective pricing, and comprehensive after-sales service, helping the automotive industry achieve lightweight, high-quality, and high-safety development.
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