ASTM A642 Galvanized Steel Wire

ASTM A642 Galvanized Steel Wire Product Information -:- For detailed product information, please contact sales. -: ASTM A642 Galvanized Steel Wire Synonyms -:- For detailed product information, please contact sales. -:

ASTM A642 Galvanized Steel Product Information -:- For detailed product information, please contact sales. -: ### **Product Introduction: ASTM A642 Galvanized Steel** **ASTM A642** is a standard specification for **steel sheet, zinc-coated (galvanized) by the hot-dip process**, with chemical composition and mechanical properties optimized for forming and drawing applications. This specification covers commercial quality, drawing quality, and structural quality galvanized steel sheets intended for applications where corrosion resistance, formability, and good surface quality are required. --- #### **1. Key International Standards** * **Primary Standard:** **ASTM A642/A642M** - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process * **Related International Standards:** * **ASTM A653/A653M:** Galvanized Steel with Various Coating Designations * **ISO 3575:** Hot-dip zinc-coated carbon steel sheet of commercial and drawing qualities * **EN 10346:** Continuously hot-dip coated steel flat products * **JIS G3302:** Hot-dip zinc-coated steel sheets and coils * **GB/T 2518:** Continuous hot-dip zinc-coated steel sheets and strips --- #### **2. Chemical Composition (Base Steel, %)** | Element | Commercial Quality | Drawing Quality | Notes | |---------|-------------------|------------------|-------| | **Carbon (C)** | 0.15 max | 0.10 max | Lower carbon enhances formability | | **Manganese (Mn)** | 0.60 max | 0.50 max | Controlled for drawing performance | | **Phosphorus (P)** | 0.035 max | 0.030 max | Reduced for better formability | | **Sulfur (S)** | 0.035 max | 0.035 max | Low sulfur improves surface quality | | **Silicon (Si)** | 0.10 max | 0.10 max | Controlled for coating adherence | *Note: The base steel chemistry varies by quality designation, with Drawing Quality having tighter controls for enhanced formability.* --- #### **3. Mechanical & Physical Properties** **Mechanical Properties (Base Steel):** | Property | Commercial Quality | Drawing Quality | |----------|-------------------|------------------| | **Tensile Strength** | 44-58 ksi (300-400 MPa) | 40-52 ksi (275-360 MPa) | | **Yield Strength** | 30-45 ksi (205-310 MPa) | 25-38 ksi (170-260 MPa) | | **Elongation (2")** | 20-28% min | 24-32% min | **Coating Properties:** | Coating Designation | Coating Mass [oz/ft² (g/m²)] | Typical Coating Thickness | |---------------------|-------------------------------|--------------------------| | **G60** | 0.60 (180) total both sides | 0.0009 in (0.023 mm) | | **G90** | 0.90 (275) total both sides | 0.0013 in (0.033 mm) | **Physical Properties:** * **Density:** 7.85 g/cm³ (Steel base) * **Zinc Coating Density:** 7.14 g/cm³ * **Melting Point of Zinc:** 419°C (786°F) * **Thermal Conductivity:** 50-60 W/m·K * **Coefficient of Thermal Expansion:** 11.5 × 10⁻⁶/°C --- #### **4. Product Applications** **Construction & Building:** * Roofing and siding panels * Structural purlins and girts * Building frames and supports * HVAC ductwork and components **Automotive & Transportation:** * Truck body panels and frames * Vehicle underbody components * Trailer and container panels * Automotive structural parts **Industrial & Manufacturing:** * Electrical enclosures and cabinets * Machinery guards and covers * Storage tanks and containers * Agricultural equipment components **Consumer Products:** * Appliance housings and parts * Furniture frames and components * Storage shelving and racks * Outdoor equipment enclosures --- #### **5. Key Advantages** * **Superior Corrosion Resistance:** Zinc coating provides sacrificial protection * **Excellent Formability:** Suitable for bending, drawing, and stamping operations * **Good Weldability:** Can be welded using standard resistance welding methods * **Attractive Appearance:** Spangled surface finish suitable for exposed applications * **Cost-Effective Protection:** Long service life with minimal maintenance * **Recyclable:** Environmentally friendly and fully recyclable --- #### **6. Processing Characteristics** **Forming:** * Excellent for bending, roll forming, and moderate drawing * Minimum bend radii: 1-2 times material thickness * Suitable for lock forming and seam welding **Welding:** * Resistance spot welding recommended * MIG welding with proper ventilation * Special precautions needed for arc welding due to zinc fumes **Surface Treatment:** * Suitable for painting and powder coating * May require special pretreatment for optimal paint adhesion * Compatible with most chemical conversion coatings --- **Quality Assurance:** * Coating weight verification per ASTM A90 * Adherence testing per ASTM A239 * Surface quality inspection per ASTM A924 **Disclaimer:** This technical overview provides general information. For specific applications, consult the latest ASTM A642 standard and manufacturer's technical data sheets. Performance characteristics may vary based on coating weight, base steel quality, and environmental conditions. -:- For detailed product information, please contact sales. -: ASTM A642 Galvanized Steel Specification Dimensions Size： Diameter 20-1000 mm Length <4506 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 A642 Galvanized Steel Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A642 Galvanized Steel Wire -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A642 Galvanized Steel Wire -:- For detailed product information, please contact sales. -:

Packing of ASTM A642 Galvanized Steel Wire -:- 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 Wire 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 977 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