Advanced High Strength Steel
High Tensile Strength, Superior Formability, Excellent Crash Resistance, Weldability.
Introduction to Advanced High Strength Steel（AHSS）
Advanced High Strength Steel (AHSS) is increasingly popular in today’s market due to its remarkable material properties and versatile applications. AHSS typically offers a yield strength ranging from 300 MPa to 1000 MPa and a tensile strength between 440 MPa to 1500 MPa.
This range of strength makes AHSS suitable for various demanding applications, particularly used in the automotive industry, where it is used to enhance vehicle performance, safety, and fuel efficiency compared to conventional steels. Comprising carbon, manganese, silicon, and micro alloying elements like chromium and vanadium, AHSS offers enhanced strength and durability, making it a preferred choice in various industries.
Benefits of Advanced High Strength Steel
- Advanced High Strength Steel (AHSS) offers a range of significant benefits, making it an ideal material for various demanding applications. Here are the detailed benefits:
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- High Strength: Advanced high-strength steel ensures structural integrity under high stress with high tensile strength and elongation.
- Lightweight: Reduces overall weight in structures and vehicles, improving fuel efficiency and performance.
- Durability: Offers superior wear and corrosion resistance, leading to longer service life and lower maintenance costs.
- Formability: Can be easily shaped into complex forms, allowing for innovative and efficient designs.
- Weldability: Supports effective welding, enabling the construction of intricate and robust structures.
- Cost-Effective: The high strength and lightweight properties reduce material usage and production costs while helping to produce unique mechanical properties.
Types of Advanced High Strength Steel
- Advanced High Strength Steel (AHSS) includes various steel types, each tailored for specific applications with high strength, ductility, and formability. Here are the most popular types:
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- Dual Phase (DP) Steel: Known for its high strength and good ductility, making it ideal for automotive applications.
- Complex Phase (CP) Steel: Offers a balance of high strength and formability, suitable for structural automotive components.
- Transformation Induced Plasticity (TRIP) Steel: Combines high strength with excellent ductility, used extensively in the automotive steels industry.
- Martensitic Steel: Provides extremely high strength and hardness, used in demanding applications like cutting tools and wear-resistant parts.
- Twinning-Induced Plasticity (TWIP) Steel: Exhibits high strength and ductility due to twinning mechanisms, used in automotive safety components.
- Press Hardened Steel (PHS): Known for its high strength after heat treatment, used in automotive safety components.
Questions on which material is best for your application? Ask our Metallurgists.
Industries & Applications
Some common industries and applications include:
Construction Industry
Automotive Industry
Aerospace Industry
Manufacturing
Energy Sector
Railway Industry
Shipbuilding
Defense Industry
Dimensions & Properties
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Tensile Strength | 515 - 750 MPa | 74,700 - 108,800 psi |
| Yield Strength | ≥ 205 MPa | ≥ 29,700 psi |
| Elongation | ≥ 35% | ≥ 35% |
| Hardness (Brinell) | ≤ 217 HB | ≤ 217 HB |
| Hardness (Rockwell B) | ≤ 95 HRB | ≤ 95 HRB |
| Hardness (Vickers) | ≤ 225 HV | ≤ 225 HV |
| Elastic Modulus | 200 GPa | 29,000 ksi |
Advanced High Strength Steel When & Where You Need It
Here, you get more than just quality steel. With multiple facilities across the country capable of providing high-strength steels, we can also work with you to manage your inventory, ensuring you get product when and where you need it to keep your production running.
Explore Our Available Steel Products & Grades
Our knowledge and experience give nearly 100% accurate delivery of High Strength Steel, Plain Carbon Steel, Alloy Steel, Stainless Steel products processed and packaged to your exact specifications.
How does the cost of Advanced High Strength Steel compare to traditional steel?
Advanced High Strength Steel is generally more expensive than traditional steel due to its enhanced properties and advanced manufacturing processes.
What certifications or quality assurances are provided with Advanced High Strength Steel?
Common certifications include ISO 9001, ASTM standards, and specific industry-related quality assurances to ensure high performance and reliability.
How does Advanced High Strength Steel improve crash performance in vehicles?
It provides better energy absorption and higher strength, enhancing the vehicle’s ability to protect occupants during collisions.
How does the fatigue performance of Advanced High Strength Steel compare to other high-strength materials?
Advanced High Strength Steel typically offers superior fatigue performance, allowing it to withstand repeated stress cycles better than many other high-strength materials.
What are the main challenges in welding Advanced High Strength Steel compared to conventional steel?
The main challenges include controlling heat input to avoid weakening the material and managing potential issues like hydrogen embrittlement and cracking.