High-Performance Aluminum Alloy Materials
Material Series
DLL-400
High strength, good machinability
Applications: Automotive non-crash structural parts, forging billets
- Yield strength: Rp0.2 ≥ 370MPa
- Tensile strength: Rm ≥ 400MPa
- Elongation: A ≥ 10%
DLL-9001
High corrosion resistance, dimensional stability
Applications: Spiral tube manufacturing, new-gen K 3003 ZAS coated tubes
- Si: 0.10-0.15%
- Fe: 0.17-0.22%
- Excellent surface quality
DLL-3021
High formability, smooth surface
Applications: Spiral tube manufacturing, decorative components
- Si: 0.04-0.08%
- Cu: 0.20-0.26%
- Excellent formability
DLL-Crash
High energy absorption, controlled deformation
Applications: Automotive crash parts, battery conduits, structural components
- Si: 0.20-1.30%
- Fe: 0.35%
- Excellent crash performance
Alloy R&D and Application for Automotive Profiles
Alloy R&D and application for automobile
Thermostability
CN118326294A- Meets paint baking process and bumper system service requirements
- Properties remain compliant after paint baking
- Special alloy additions and two-stage aging improve precipitate thermal stability
Crash Performance
CN118326294A- Alloy composition and heat treatment optimization for improved crash performance
- Controlled deformation mode and stable energy absorption
- Meets automotive crash safety requirements
Edge Collision Performance
CN202311697525- Meets battery tray, rocker beam edge side-impact energy absorption bending requirements
- VDA238-100 longitudinal and transverse bend testing
- Grain morphology control for anisotropic/isotropic OEM requirements
High Strength
CN118326294A- Meets vehicle lightweight design requirements
- Tensile testing for profile and part strength
- 6xxx alloys up to 400MPa through composition and process design
Corrosion Resistance
CN118497560A- Meets pitting and exfoliation corrosion requirements for long-term service
- Salt spray, cyclic corrosion, and thermal cycle corrosion testing
- Composition design and special alloy additions for improved corrosion resistance
Bending Mechanical Properties
VDA238-100- Meets stamping bend process and side-impact energy absorption requirements
- VDA238-100 testing
- Dispersoid size distribution control, reduced coarse grain layer, optimal Mg/Si ratio for bending performance
Technical Principles
Micro-alloying Strengthening
Micro alloy additions form fine dispersed precipitates, significantly improving strength while maintaining good ductility for optimal strength-toughness balance.
Heat Treatment Process
Precisely controlled heat treatment optimizes microstructure for ideal property combinations. Different heat treatment regimes meet diverse application needs.
Custom Solutions
We provide personalized material solutions based on your specific requirements
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