Alloy G-3,INCO G-3 Plate,,E FORU

British Specs:，American Specs:，German Specs:

**Product Data Sheet: Alloy G-3 / INCO G-3 Plate** **Nickel-Chromium-Iron-Molybdenum Alloy Plate** --- ### **1. Product Overview** **Alloy G-3 Plate** (commonly known as **INCO G-3 Plate**) is a nickel-chromium-iron-molybdenum alloy supplied in plate form, offering exceptional corrosion resistance combined with excellent mechanical properties. This product is specifically engineered for pressure vessels, chemical processing equipment, and structural applications requiring superior performance in highly corrosive environments, including sulfuric acid, phosphoric acid, and other aggressive chemical services. --- ### **2. Chemical Composition (Typical % by Weight)** | Element | Content (%) | Function | |---------|-------------|----------| | Nickel (Ni) | Balance | Base element providing corrosion resistance and metallurgical stability | | Chromium (Cr) | 21.0-23.5 | Confers resistance to oxidizing media and pitting corrosion | | Iron (Fe) | 18.0-21.0 | Provides solid solution strengthening | | Molybdenum (Mo) | 6.0-8.0 | Enhances resistance to reducing acids and localized corrosion | | Copper (Cu) | 1.5-2.5 | Improves resistance to sulfuric acid environments | | Tungsten (W) | ≤1.5 | Augments localized corrosion resistance | | Cobalt (Co) | ≤5.0 | Controls carbon activity and enhances thermal stability | | Carbon (C) | ≤0.015 | Minimized to prevent sensitization during welding | | Manganese (Mn) | ≤1.0 | Serves as deoxidizer and controls sulfur | | Silicon (Si) | ≤1.0 | Enhances oxidation resistance | | Phosphorus (P) | ≤0.04 | Controlled to ensure optimal weldability | | Sulfur (S) | ≤0.03 | Minimized to prevent hot cracking | --- ### **3. Physical & Mechanical Properties** | Property | Value (Typical) | |----------|-----------------| | Density | 8.3 g/cm³ | | Melting Point | 1370°C (2500°F) | | Thermal Conductivity | 10.1 W/m·K at 20°C | | Coefficient of Thermal Expansion | 13.7 μm/m·K (20-100°C) | | Specific Heat Capacity | 450 J/kg·K at 20°C | | Modulus of Elasticity | 205 GPa at 20°C | | Tensile Strength | 690-840 MPa | | Yield Strength (0.2% Offset) | 310-410 MPa | | Elongation | 40-50% | | Hardness (Rockwell B) | 85-95 HRB | | Maximum Service Temperature | 400°C (750°F) | --- ### **4. Product Applications** #### **4.1 Pressure Vessel Applications** - **Chemical Reactors**: Vessel shells and heads for corrosive chemical processes - **Pressure Vessels**: Storage tanks and process vessels for aggressive media - **Columns and Towers**: Distillation columns and absorption towers - **Heat Exchangers**: Shells, channels, and tube sheets #### **4.2 Chemical Processing Equipment** - **Process Vessels**: Mixing tanks, reaction vessels, and storage containers - **Electrolytic Cells**: Structural components in electrochemical processes - **Acid Storage Tanks**: Tanks for sulfuric and phosphoric acid storage - **Pipeline Components**: Large diameter pipe and fittings fabrication #### **4.3 Oil & Gas Industry** - **Pressure Containment**: Vessels for sour service applications - **Scrubber Vessels**: Acid gas removal system components - **Process Separators**: Vessels for corrosive production fluids - **Offshore Platforms**: Critical components in marine environments #### **4.4 Pollution Control Equipment** - **FGD System Components**: Scrubber vessels and ductwork - **Waste Treatment Tanks**: Corrosive wastewater handling equipment - **Chemical Recovery Systems**: Evaporators and concentrators --- ### **5. Key Features & Benefits** - **Exceptional Corrosion Resistance**: Superior performance in both oxidizing and reducing environments - **High Pitting Resistance**: PREN value >30 ensures excellent resistance to localized corrosion - **Stress Corrosion Cracking Resistance**: Outstanding performance in chloride-containing environments - **Excellent Fabricability**: Can be formed, welded, and machined using standard techniques - **Good Mechanical Properties**: High strength and toughness for pressure vessel applications - **Consistent Quality**: Uniform properties throughout plate thickness - **Cost-Effective Solution**: Extended service life reduces maintenance and replacement costs - **Full Traceability**: Complete material certification and quality documentation --- ### **6. International Standards & Specifications** | Standard Type | Specification Number | Description | |---------------|----------------------|-------------| | ASTM | B625 | Standard Specification for Plate, Sheet, and Strip | | UNS | N06985 | Unified Numbering System Designation | | ASME | SB-625 | Code Case for Pressure Vessel Applications | | DIN | 2.4619 | Material Number and Specification | | EN | 2.4619 | European Standard Designation | | ISO | 6208 | Nickel Alloy Plate for General Corrosion-Resistant Applications | --- ### **7. Product Specifications** #### **7.1 Plate Dimensions** - **Thickness Range**: 3.0 mm to 100 mm (0.125" to 4") - **Standard Sizes**: 1000×2000 mm, 1250×2500 mm, 1500×3000 mm - **Width Range**: 1000 mm to 3000 mm (39" to 118") - **Length Range**: 2000 mm to 6000 mm (79" to 236") #### **7.2 Tolerances** - **Thickness Tolerance**: ±5% or ±0.1mm, whichever is greater - **Flatness**: ≤4 mm per meter for precision applications - **Length/Width Tolerance**: ±5 mm for standard sizes #### **7.3 Available Conditions** - **Solution Annealed**: Optimal corrosion resistance and formability - **Hot Rolled**: As-rolled condition for specific applications - **Stress Relieved**: For critical dimensional stability applications - **Surface Finish**: Pickled, blasted, or machined finishes available --- ### **8. Fabrication & Processing Guidelines** #### **8.1 Cutting & Forming** - **Plasma Cutting**: Recommended for thicknesses up to 50 mm - **Waterjet Cutting**: Ideal for complex shapes and profiles - **Press Brake Forming**: Minimum bend radii according to thickness - **Roll Forming**: Suitable for cylindrical and conical sections #### **8.2 Welding Procedures** - **Welding Methods**: GTAW (TIG), GMAW (MIG), SMAW - **Filler Metals**: AWS A5.14 ERNiCrMo-10 or equivalent - **Preheating**: Generally not required - **Interpass Temperature**: Maintain below 150°C - **Post-Weld Heat Treatment**: Usually unnecessary for most applications #### **8.3 Machining & Finishing** - **Machining Parameters**: Use positive rake carbide tools - **Cutting Speeds**: 20-40 m/min with adequate cooling - **Surface Finishing**: Grinding and polishing for specific requirements - **Passivation**: Chemical treatment to enhance corrosion resistance --- ### **9. Quality Assurance & Certification** - **Material Certification**: EN 10204 3.1/3.2 with full traceability - **Non-Destructive Testing**: UT, RT, PT, MT as required by specification - **Chemical Analysis**: Verified by spectrometer and wet chemical methods - **Mechanical Testing**: Tensile, hardness, and impact tests - **Certifications**: ISO 9001, ASME, PED 2014/68/EU, NORSOK compliance - **Documentation**: Complete certification package including heat treatment records --- **Disclaimer**: The technical information provided represents typical values and is for reference purposes. Actual properties may vary based on manufacturing process, plate thickness, and heat treatment condition. Users must verify suitability for specific applications through appropriate testing and consult with technical experts for pressure vessel applications. Compliance with all applicable safety standards, codes, and regulations is mandatory.

Packing of Standard Packing: 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 2851 gallon liquid totes Special package is available on request.