ASTM A591 Zinc Coated Steel Rod/Bar

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

ASTM A591 Zinc Coated Steel, Commercial Product Information -:- For detailed product information, please contact sales. -: ### **ASTM A591 Zinc Coated Steel, Commercial Quality** #### **1. Overview** ASTM A591 is a standard specification for **commercial quality zinc-coated (galvanized) steel sheets** produced by the **electrolytic process**. This specification covers steel sheets that are zinc-coated by electro-deposition, providing a uniform coating for corrosion protection. The commercial quality designation indicates suitability for general applications where specific mechanical property requirements are not critical, but good formability and surface quality are desired. #### **2. Chemical Composition** The base steel composition is typical of commercial quality drawing steel: | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.15 max | | Manganese (Mn) | 0.60 max | | Phosphorus (P) | 0.035 max | | Sulfur (S) | 0.035 max | | Copper (Cu) | 0.20 min (when specified) | **Coating Characteristics:** - **Coating Type**: Electrolytically deposited zinc - **Coating Designation**: Class 01 to Class 60 (0.10 to 0.60 oz/ft²) - **Coating Surface**: Regular spangle, minimized spangle, or smooth finish - **Coating Adhesion**: Must withstand fabrication without flaking #### **3. Physical & Mechanical Properties** **Mechanical Properties:** | Property | Requirement | |----------|-------------| | **Tensile Strength** | 40 - 52 ksi (275 - 360 MPa) | | **Yield Strength** | 25 ksi min (170 MPa min) | | **Elongation in 2 inches** | 24% min | | **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**: Electrolytic process ensures consistent coverage - **Surface Quality**: Commercial bright finish standard - **Coating Adhesion**: Excellent for formed parts **Physical Properties (Typical):** - **Density**: 0.284 lb/in³ (7,850 kg/m³) - **Electrical Conductivity**: Good for grounding applications - **Thermal Conductivity**: 45.0 W/m·K at 212°F (100°C) - **Magnetic Properties**: Ferromagnetic #### **4. Product Applications** Commercial quality galvanized steel finds widespread use in: **Construction and Building:** - Residential and commercial roofing - Wall panels and siding - Gutters and downspouts - Interior wall and ceiling panels **Consumer Products:** - Appliance cabinets and housings - Furniture components - Storage cabinets and lockers - Electrical enclosures **Industrial Applications:** - HVAC ductwork and components - Electrical chassis and boxes - Signage and display materials - General fabrication parts **Automotive and Transportation:** - Interior body panels - Truck and trailer components - Vehicle underbody parts - Transportation equipment panels #### **5. International Standards & Equivalents** | Region/Country | Standard | Equivalent Grade | Notes | |----------------|----------|------------------|-------| | **International** | **ISO 5002** | CR4 | Commercial quality electrolytic zinc-coated | | **Europe** | **EN 10346** | DX51D+ZE | Electrolytic zinc-coated steel | | **Japan** | **JIS G3313** | SECC | Electrolytic zinc-coated steel sheet | | **China** | **GB/T 15675** | SECC | Electrolytic zinc-coated steel | **Coating Weight Comparison:** | ASTM A591 Class | Coating Weight (oz/ft²) | Equivalent (g/m²) | Typical Applications | |-----------------|------------------------|-------------------|---------------------| | **Class 01** | 0.10 | 30 | Indoor applications | | **Class 20** | 0.20 | 60 | General purpose | | **Class 40** | 0.40 | 120 | Enhanced corrosion protection | | **Class 60** | 0.60 | 180 | Severe service conditions | #### **6. Fabrication & Quality Assurance** **Forming and Fabrication:** - **Excellent Formability**: Suitable for bending, roll forming, and moderate drawing - **Punching and Blanking**: Good performance with proper tooling clearance - **Welding**: All standard processes applicable (resistance, arc, MIG, TIG) - **Joining Methods**: Riveting, bolting, and adhesive bonding suitable **Surface Treatment Compatibility:** - **Chemical Treatment**: Phosphating and chromating for enhanced paint adhesion - **Painting**: Excellent base for both liquid and powder coating systems - **Printing**: Suitable for direct printing and marking - **Additional Plating**: Can be re-plated with other metals if required **Quality Control Requirements:** - **Coating Weight Tests**: By weighing or magnetic methods - **Adhesion Tests**: Bend tests to verify coating adherence - **Surface Inspection**: Visual examination for defects - **Dimensional Checks**: Thickness, width, and flatness verification --- **Technical Advantages:** - **Uniform Coating Thickness**: Electrolytic process ensures consistent coverage - **Excellent Surface Quality**: Smooth finish ideal for painting and printing - **Good Corrosion Protection**: Zinc coating provides sacrificial protection - **Cost-Effective**: Economical solution for general applications **Design Considerations:** - **Coating Selection**: Choose appropriate coating weight for service environment - **Fabrication Effects**: Consider coating damage in severe forming operations - **Compatibility**: Ensure compatibility with joining and finishing processes - **Environmental Factors**: Consider humidity and chemical exposure **Service Limitations:** - **Temperature Limit**: Coating integrity affected above 390°F (200°C) - **Chemical Exposure**: Not suitable for strong acid or alkaline environments - **Abrasion Resistance**: Coating may wear in high-abrasion applications - **Outdoor Durability**: Limited compared to hot-dip galvanized products **Disclaimer:** This technical information is for reference purposes only. For specific applications, consult the latest ASTM A591 specification and consider the particular service conditions. Material selection should be verified by qualified engineers, and proper fabrication practices should be followed to ensure optimal performance of the zinc coating. -:- For detailed product information, please contact sales. -: ASTM A591 Zinc Coated Steel, Commercial Specification Dimensions Size： Diameter 20-1000 mm Length <4480 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, Commercial Properties -:- For detailed product information, please contact sales. -:

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

Packing of ASTM A591 Zinc Coated Steel Rod, Commercial -:- 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 Rod 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 951 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