ASTM A606 HSLA Steel, Hot Rolled

ASTM A606 HSLA Steel, Hot Rolled Sheet Product Information -:- For detailed product information, please contact sales. -: ASTM A606 HSLA Steel, Hot Rolled Sheet Synonyms -:- For detailed product information, please contact sales. -:

ASTM A606 HSLA Steel, Hot Rolled Sheet Product Information -:- For detailed product information, please contact sales. -: ### **ASTM A606 HSLA Steel, Hot Rolled Sheet: High-Strength Weathering Steel** #### **1. Overview** ASTM A606 is a specification for **high-strength low-alloy (HSLA) steel** in the form of **hot-rolled sheet and strip**, specifically designed with **enhanced atmospheric corrosion resistance**. This weathering steel develops a protective oxide patina when exposed to weather, providing approximately **two times better corrosion resistance** than carbon steel without copper. The material is supplied in either cut lengths or coils, offering excellent strength-to-weight ratio for structural applications where durability and reduced maintenance are paramount. #### **2. Chemical Composition** The chemical composition is optimized for corrosion resistance and weldability: | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.22 max | | Manganese (Mn) | 0.60 - 1.25 | | Phosphorus (P) | 0.04 - 0.12 | | Sulfur (S) | 0.05 max | | Silicon (Si) | 0.25 - 0.75 | | Copper (Cu) | 0.20 - 0.40 | | Chromium (Cr) | 0.30 - 1.25 | | Nickel (Ni) | 0.25 max | **Key Composition Features:** - **Copper-Chromium-Phosphorus System**: Forms protective patina for superior atmospheric corrosion resistance - **Controlled Carbon Content**: Ensures good weldability and formability - **Enhanced Phosphorus (0.04-0.12%)**: Significantly improves corrosion resistance - **Balanced Alloy Ratios**: Optimized for hot-rolled processing #### **3. Physical & Mechanical Properties** **Mechanical Properties:** | Property | Requirement | |----------|-------------| | **Tensile Strength** | 70 ksi min (485 MPa min) | | **Yield Strength** | 50 ksi min (345 MPa min) | | **Elongation in 2 inches** | 22% min | | **Bend Test** | Bend 180° around diameter equal to thickness | **Enhanced Performance Characteristics:** - **Atmospheric Corrosion Resistance**: 2x better than carbon steel without copper - **Weathering Properties**: Develops protective oxide layer in 2-4 years - **High Strength-to-Weight Ratio**: Enables lighter, more economical designs - **Good Formability**: Suitable for various fabrication processes **Physical Properties (Typical):** - **Density**: 0.284 lb/in³ (7,850 kg/m³) - **Modulus of Elasticity**: 29,000 ksi (200 GPa) - **Poisson's Ratio**: 0.29 - **Coefficient of Thermal Expansion**: 6.5 × 10⁻⁶/°F (11.7 × 10⁻⁶/°C) - **Thermal Conductivity**: 43.5 W/m·K at 212°F (100°C) #### **4. Product Applications** A606 hot-rolled sheet is widely used in exposed structural applications: **Transportation Equipment:** - Truck and trailer bodies - Railway car components - Heavy equipment enclosures - Transportation container panels **Building and Construction:** - Architectural wall panels - Roofing and siding systems - Building facades and curtain walls - Structural panels and partitions **Industrial Applications:** - Industrial equipment housings - Material handling components - Agricultural equipment parts - Mining equipment panels **Infrastructure:** - Highway guide rail supports - Signage and signal structures - Utility enclosure panels - Bridge approach panels #### **5. International Standards & Equivalents** | Region/Country | Standard | Equivalent Grade | Notes | |----------------|----------|------------------|-------| | **International** | **ISO 4952** | E460D | Weathering steel equivalent | | **Europe** | **EN 10025-5** | S355J0W | Hot-rolled weathering steel | | **Japan** | **JIS G3125** | SPA-H | High weathering resistance steel | | **China** | **GB/T 4171** | Q355GNH | Weathering structural steel | **Type Variation within A606:** | Type | Phosphorus Content | Corrosion Resistance | |------|-------------------|---------------------| | **Type 2** | 0.04-0.12% | Enhanced | | **Type 4** | 0.04% max | Standard | #### **6. Fabrication & Quality Assurance** **Forming and Fabrication:** - **Hot-Rolled Condition**: Supplied as-rolled or pickled and oiled - **Forming Capability**: Good for bending and roll forming - **Punching and Shearing**: Suitable with proper tooling - **Welding**: All standard processes applicable with proper procedures **Welding Considerations:** - **Pre-heat Requirements**: 200-400°F (95-205°C) depending on thickness - **Welding Processes**: SMAW, GMAW, FCAW all applicable - **Consumables**: Low-hydrogen electrodes recommended - **Interpass Temperature**: Maximum 400°F (205°C) **Surface and Corrosion Performance:** - **Patina Development**: Forms protective layer in 2-4 years - **Self-Protecting**: Eliminates painting after patina formation - **Initial Rusting**: Temporary runoff during weathering process - **Environmental Suitability**: Best in alternating wet-dry conditions **Quality Control Requirements:** - **Tension Tests**: From each heat or 50 tons - **Bend Tests**: To verify soundness and ductility - **Chemical Analysis**: For each heat of steel - **Surface Inspection**: Visual examination for defects --- **Technical Advantages:** - **Reduced maintenance** through weathering properties - **High strength** allows lighter gauge designs - **Cost-effective** alternative to painted carbon steel - **Aesthetically pleasing** natural weathered appearance **Design Considerations:** - **Proper drainage** essential to prevent water accumulation - **Avoidance of crevices** where moisture can be trapped - **Compatibility** with other materials in contact - **Initial rust runoff** management during patina formation **Service Limitations:** - **Not recommended** for continuous immersion service - **Avoid contact** with vegetation or constantly wet surfaces - **Chloride environments** may require special considerations - **Temperature limit**: 750°F (400°C) for structural applications **Disclaimer:** This technical information is for reference purposes only. For structural applications, consult the latest ASTM A606 specification and applicable building codes. Proper design must consider local environmental conditions, and fabrication should follow established procedures for weathering steels. All structural designs must be approved by qualified professional engineers. -:- For detailed product information, please contact sales. -: ASTM A606 HSLA Steel, Hot Rolled Sheet Specification Dimensions Size： Diameter 20-1000 mm Length <4483 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: ASTM A606 HSLA Steel, Hot Rolled Sheet Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A606 HSLA Steel, Hot Rolled Sheet -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A606 HSLA Steel, Hot Rolled Sheet -:- For detailed product information, please contact sales. -:

Packing of ASTM A606 HSLA Steel, Hot Rolled Sheet -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 954 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition