ASTM A591 Zinc Coated Steel, Drawing

ASTM A591 Zinc Coated Steel, Drawing Product Information -:- For detailed product information, please contact sales. -: ASTM A591 Zinc Coated Steel, Drawing Synonyms -:- For detailed product information, please contact sales. -:

ASTM A591 Zinc Coated Steel, Drawing Product Information -:- For detailed product information, please contact sales. -: ### **ASTM A591 Zinc Coated Steel, Drawing Quality** #### **1. Overview** ASTM A591 Drawing Quality is a specification for **zinc-coated (galvanized) steel sheets** produced by the **electrolytic process**, specifically designed for **deep drawing and severe forming operations**. This grade offers superior formability while maintaining the corrosion protection benefits of zinc coating. The drawing quality designation ensures consistent mechanical properties and surface characteristics essential for manufacturing complex parts through demanding forming processes. #### **2. Chemical Composition** The base steel composition is optimized for maximum formability: | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.08 max | | Manganese (Mn) | 0.50 max | | Phosphorus (P) | 0.025 max | | Sulfur (S) | 0.025 max | | Copper (Cu) | 0.20 min (when specified) | **Enhanced Composition Features:** - **Ultra-Low Carbon Content**: Maximizes ductility and formability - **Reduced Manganese**: Enhances drawing characteristics - **Tighter Impurity Control**: Improved purity for consistent forming performance - **Optional Copper**: For enhanced atmospheric corrosion resistance #### **3. Physical & Mechanical Properties** **Mechanical Properties:** | Property | Requirement | |----------|-------------| | **Tensile Strength** | 35 - 50 ksi (240 - 345 MPa) | | **Yield Strength** | 20 ksi min (140 MPa min) | | **Elongation in 2 inches** | 28% min | | **Hardness (HRB)** | 45 max | | **Bend Test** | Bend 180° flat on itself without cracking | **Coating Properties:** - **Coating Weight**: 0.10 to 0.60 oz/ft² (30 to 180 g/m²) - **Coating Uniformity**: Excellent for consistent forming behavior - **Surface Finish**: Extra-smooth for critical forming applications - **Coating Adhesion**: Superior resistance to flaking during severe deformation **Physical Properties (Typical):** - **Density**: 0.284 lb/in³ (7,850 kg/m³) - **Modulus of Elasticity**: 29,000 ksi (200 GPa) - **Anisotropy (r-value)**: 1.4 - 1.8 (typical) - **Strain Hardening Exponent (n-value)**: 0.20 - 0.25 (typical) #### **4. Product Applications** Drawing quality galvanized steel is essential for demanding forming applications: **Automotive Components:** - Fuel tanks and oil pans - Complex body panels - Seat frames and components - Exhaust system parts **Appliance Manufacturing:** - Washing machine tubs and covers - Refrigerator liners and doors - Dishwasher inner panels - Appliance housings and covers **Electrical Enclosures:** - Complex junction boxes - Electrical cabinet components - Control panel housings - Switchgear parts **Consumer Products:** - Office furniture components - Computer chassis and parts - Lighting fixture housings - Complex stamped products #### **5. International Standards & Equivalents** | Region/Country | Standard | Equivalent Grade | Notes | |----------------|----------|------------------|-------| | **International** | **ISO 5002** | CR3 | Drawing quality electrolytic zinc-coated | | **Europe** | **EN 10346** | DX52D+ZE, DX53D+ZE | Drawing quality electrolytic zinc-coated | | **Japan** | **JIS G3313** | SECD | Drawing quality electrolytic zinc-coated | | **China** | **GB/T 15675** | SECD | Drawing quality electrolytic zinc-coated | **Forming Quality Comparison:** | Parameter | Commercial Quality | Drawing Quality | |-----------|-------------------|-----------------| | **Elongation** | 24% min | 28% min | | **Carbon Content** | 0.15% max | 0.08% max | | **Typical r-value** | 1.0 - 1.3 | 1.4 - 1.8 | | **Application** | General Forming | Severe Drawing | #### **6. Fabrication & Quality Assurance** **Advanced Forming Capabilities:** - **Deep Drawing**: Excellent for severe drawing operations - **Stretch Forming**: Good strain distribution characteristics - **Redrawing**: Suitable for multiple drawing operations - **Ironing**: Can be ironed to reduce wall thickness **Welding and Joining:** - **Resistance Welding**: Excellent spot welding characteristics - **Seam Welding**: Suitable for continuous welding applications - **Projection Welding**: Good for designated weld points - **Adhesive Bonding**: Compatible with structural adhesives **Surface Treatment Compatibility:** - **Phosphating**: Excellent for paint adhesion and corrosion protection - **Chromating**: Provides additional corrosion resistance - **Painting**: Superior paint adhesion and appearance - **Powder Coating**: Ideal base material **Quality Control Requirements:** - **Coating Weight Verification**: Strict control for consistent forming - **Surface Inspection**: High standards for surface quality - **Mechanical Testing**: Regular verification of forming properties - **Formability Testing**: Olsen cup tests and similar evaluations --- **Technical Advantages:** - **Superior Formability**: Capable of severe drawing operations - **Consistent Performance**: Reliable mechanical properties - **Excellent Surface Quality**: Ideal for visible parts - **Good Weldability**: Maintains integrity in welded assemblies **Design Considerations:** - **Tooling Design**: Optimize for zinc-coated material characteristics - **Lubrication Requirements**: Proper lubrication essential for severe forming - **Springback Compensation**: Account for material springback in die design - **Coating Damage Prevention**: Design to minimize coating damage in forming **Service Limitations:** - **Temperature Sensitivity**: Avoid exposure above 390°F (200°C) - **Chemical Exposure**: Limited resistance to strong acids/alkalis - **Abrasion Resistance**: Coating may wear in high-contact applications - **Outdoor Durability**: Moderate compared to hot-dip galvanized **Disclaimer:** This technical information is for reference purposes. For critical drawing applications, consult the latest ASTM A591 specification and conduct thorough production trials. Material selection should consider specific forming requirements, and tooling design must be optimized for zinc-coated drawing quality steel to ensure successful manufacturing outcomes. -:- For detailed product information, please contact sales. -: ASTM A591 Zinc Coated Steel, Drawing Specification Dimensions Size： Diameter 20-1000 mm Length <4481 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 A591 Zinc Coated Steel, Drawing Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A591 Zinc Coated Steel, Drawing -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A591 Zinc Coated Steel, Drawing -:- For detailed product information, please contact sales. -:

Packing of ASTM A591 Zinc Coated Steel, Drawing -:- 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 952 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