Latrobe,Magnadie™ Modified H-13 Hot Work Die Steel Rod/Bar

Latrobe Magnadie™ Modified H-13 Hot Work Die Steel Rod Product Information -:- For detailed product information, please contact sales. -: Latrobe Magnadie™ Modified H-13 Hot Work Die Steel Rod Synonyms -:- For detailed product information, please contact sales. -:

Latrobe Magnadie™ Modified H-13 Hot Work Die Steel Product Information -:- For detailed product information, please contact sales. -: # **Latrobe Magnadie™ Modified H-13 Hot Work Die Steel** ## **Premium Enhanced H13 for Superior Die Casting Performance and Extended Service Life** Latrobe Magnadie™ represents an advanced, modified variant of the industry-standard H13 hot work die steel, specifically engineered to deliver superior performance in demanding die casting applications. Through precise chemistry optimization and enhanced manufacturing controls, this proprietary grade offers improved thermal fatigue resistance, enhanced dimensional stability, and extended service life compared to conventional H13. Magnadie™ is designed to meet the rigorous demands of modern die casting operations, particularly for aluminum and magnesium applications where extended die life and reduced maintenance are critical to productivity. --- ### **Key Features & Benefits** - **Enhanced Thermal Fatigue Resistance**: Superior resistance to heat checking and thermal cracking, extending die life in cyclic heating applications - **Improved Dimensional Stability**: Reduced distortion during heat treatment and in service for more predictable performance - **Optimized Microstructure**: Refined carbide distribution and grain structure for better mechanical properties - **Superior Polishability**: Enhanced surface characteristics for improved casting surface finish and easier maintenance - **Extended Service Life**: Typically 20-40% longer die life compared to standard H13 in equivalent applications - **Consistent Performance**: Enhanced manufacturing controls ensure batch-to-battle consistency in critical properties --- ### **Chemical Composition (Typical %, Modified H13 Specification)** | Element | Carbon (C) | Chromium (Cr) | Molybdenum (Mo) | Vanadium (V) | Silicon (Si) | Manganese (Mn) | Special Modifications | |---------|------------|---------------|-----------------|--------------|--------------|----------------|----------------------| | **Content** | 0.37 - 0.42 | 5.00 - 5.30 | 1.30 - 1.60 | 0.90 - 1.10 | 0.90 - 1.10 | 0.30 - 0.50 | Micro-alloy additions for grain refinement and enhanced properties | *Note: Magnadie™ features a precisely controlled composition with tighter tolerances than standard H13. Key modifications include optimized vanadium content for improved thermal fatigue resistance, balanced chromium and molybdenum for enhanced high-temperature strength, and micro-alloying elements that refine microstructure without compromising toughness.* --- ### **Physical & Mechanical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 7.81 g/cm³ | | **Thermal Conductivity** | 25-28 W/m·K at 20°C | | **Specific Heat Capacity** | 0.46 kJ/kg·K at 20°C | | **Coefficient of Thermal Expansion** | 10.9 × 10⁻⁶/K (20-400°C) | | **Hardness (Annealed)** | 190-220 HB | | **Hardness (Heat Treated)** | **44-48 HRC** (optimal range for die casting applications) | | **High-Temperature Yield Strength** | ≥ 1100 MPa at 540°C (1000°F) – improved over standard H13 | | **Tensile Strength** | 1,700-2,000 MPa (at 46 HRC) | | **Yield Strength** | 1,500-1,800 MPa (at 46 HRC) | | **Modulus of Elasticity** | 205-215 GPa | | **Impact Toughness** | Very Good – balanced with thermal fatigue requirements | | **Thermal Fatigue Life** | 20-40% improvement over standard H13 in testing | --- ### **Heat Treatment Guidelines** #### **Annealing** - **Temperature**: 845-870°C (1555-1600°F) - **Method**: Slow furnace cool at ≤20°C (36°F) per hour to 600°C (1110°F) - **Resultant Hardness**: 190-220 HB - **Special Note**: Modified composition may allow for slightly shorter annealing cycles #### **Stress Relieving** - **Temperature**: 650-675°C (1200-1245°F) - **Hold Time**: 1-2 hours per inch of thickness - **Cooling**: Slow furnace cool to 500°C (930°F), then air cool #### **Hardening** 1. **Preheating**: 650-750°C (1200-1380°F) – thorough equalization recommended 2. **Intermediate Preheat**: 850-900°C (1560-1650°F) – beneficial for complex dies 3. **Austenitizing**: **1000-1025°C (1830-1875°F)** – precise control for optimal results 4. **Soak Time**: 20-40 minutes per inch of thickness 5. **Quenching**: Air cooling standard; forced air or oil for maximum hardness 6. **Immediate Handling**: Cool to below 65°C (150°F) before tempering #### **Tempering (Critical for Optimal Performance)** - **Temperature Range**: 560-620°C (1040-1150°F) - **Cycles**: **Double tempering mandatory**; triple tempering recommended for critical applications - **Duration**: 2 hours per cycle minimum, slow cool between cycles - **Target Hardness**: 44-48 HRC typically achieved at 580-600°C (1075-1110°F) - **Special Note**: Modified grade shows improved tempering resistance and stability #### **Sub-Zero Treatment (Optional but Beneficial)** - **Application**: Recommended for maximum dimensional stability - **Temperature**: -80 to -100°C (-112 to -148°F) - **Duration**: 2-3 hours - **Benefit**: Enhanced dimensional stability and potentially improved thermal fatigue life --- ### **International Standards & Specifications** | Standard | Grade Designation | Notes | |----------|-------------------|-------| | **Proprietary** | Magnadie™ | Latrobe Special Steel trademark | | **Based On** | Modified ASTM H13 | Enhanced version of A681 H13 | | **Similar Standards** | Premium H13 variants | Comparable to other premium H13 grades | | **Industry Standards** | NADCA #207-2003 (Premium) | North American Die Casting Association premium specifications | | **Customer Specifications** | Various OEM standards | Meets enhanced requirements of major die casters | --- ### **Typical Applications** #### **High-Pressure Die Casting (Primary Application)** - **Automotive Die Casting Dies**: For structural components, transmission cases, engine blocks - **Large Cavity Dies**: For automotive body panels and structural components - **Thin-Wall Die Casting**: Applications requiring excellent thermal fatigue resistance - **High-Volume Production Dies**: Where extended service life reduces downtime #### **Aluminum Die Casting Components** - **Cavities and Cores**: Main die components subject to severe thermal cycling - **Shot Sleeves and Goosenecks**: Critical components in hot chamber applications - **Plunger Tips and Rings**: High-wear components in cold chamber machines - **Ejector Pins and Guide Pins**: Precision components requiring dimensional stability #### **Magnesium Die Casting** - **Hot Chamber Magnesium Dies**: For components in automotive and electronics - **Magnesium Alloy Casting**: Where thermal fatigue is particularly severe - **High-Temperature Magnesium Applications**: For advanced alloy casting #### **Other Hot Work Applications** - **Extrusion Dies for Aluminum**: Particularly for complex profiles - **Forging Die Inserts**: For aluminum and magnesium forging - **Plastic Injection Molds**: For high-temperature engineering plastics --- ### **Machining & Fabrication Notes** #### **Machinability (Annealed Condition)** - **Rating**: 60-70% of B1112 free-machining steel - **Recommended Tools**: Carbide tools preferred for production machining - **Cutting Speeds**: 25-35 m/min (80-115 SFM) for turning operations - **Feed Rates**: Moderate feeds with good chip control - **Coolant**: High-performance synthetic coolant recommended - **Surface Finish**: Excellent surface quality achievable due to refined microstructure #### **Grindability** - **Relative Rating**: 70-80 (vs. 100 for annealed O1 tool steel) - **Abrasive Recommendations**: Aluminum oxide or CBN wheels - **Wheel Maintenance**: Regular dressing for optimal results - **Coolant**: Flood coolant essential for precision grinding - **Advantage**: Improved grindability over some premium H13 variants #### **EDM Machining** - Excellent suitability for wire and sinker EDM - Consistent material removal characteristics - Good surface finish with proper parameter optimization - Stress relief after heavy EDM recommended #### **Polishing and Texturing** - **Superior Polishability**: Can achieve Ra < 0.05 μm for mirror finishes - **Texturing Response**: Excellent for chemical and laser texturing - **Maintenance**: Easier to repolish and maintain than standard H13 - **Surface Integrity**: Enhanced resistance to polishing-related defects --- ### **Quality Assurance & Metallurgical Standards** #### **Enhanced Microstructural Requirements** - **Carbide Distribution**: Extremely uniform, fine carbide dispersion - **Maximum Carbide Size**: Controlled to finer limits than standard H13 - **Grain Size**: ASTM 7 or finer (typically ASTM 8-9) - **Decarburization**: ≤0.15 mm per side on finished products - **Non-Metallic Inclusions**: ASTM E45 Method D, ≤1.5 total rating - **Microcleanliness**: Enhanced standards with controlled inclusion content #### **Testing & Certification** - Complete chemical analysis with tight tolerance verification - Hardness testing at multiple locations for uniformity verification - Microstructural evaluation including carbide size and distribution analysis - Ultrasonic testing standard for critical applications - Thermal fatigue testing available for qualification - Full traceability with enhanced documentation --- ### **Available Product Forms** | Form | Standard Sizes | Condition | Surface Finish | Special Features | |------|---------------|-----------|----------------|------------------| | **Round Bars** | 20-500mm diameter | Annealed | Precision Ground | UT tested, certified | | **Flat Bars and Plate** | 15-300mm thickness | Annealed | Ground & Machined | Enhanced flatness control | | **Blocks** | Custom dimensions | Annealed | Precision Machined | Stress relieved available | | **Forged Blanks** | Customer specifications | Annealed | As-forged, Machined | Optimized grain flow | | **Near-Net Shapes** | Complex geometries | Annealed | Machined surfaces | Reduced machining time | --- ### **Technical Comparison: Magnadie™ vs. Standard H13** | Property | Magnadie™ | Standard H13 | Improvement | |----------|-----------|--------------|-------------| | **Thermal Fatigue Life** | **Superior** | Good | 20-40% | | **Dimensional Stability** | **Enhanced** | Good | Significant improvement | | **Polishability** | **Excellent** | Good | Noticeably better | | **Impact Toughness** | Very Good | Very Good | Comparable | | **High-Temperature Strength** | Improved | Good | Moderate improvement | | **Consistency** | **Exceptional** | Variable | Major advantage | | **Service Life** | **Extended** | Standard | 20-40% typical | --- ### **Surface Treatment Compatibility** Magnadie™ is highly compatible with surface enhancement treatments: - **Nitriding**: Excellent results with gas, plasma, or salt bath nitriding - **PVD Coatings**: TiN, TiCN, TiAlN coatings show excellent adhesion and performance - **CVD Coatings**: Suitable with proper pretreatment and process control - **Surface Engineering**: Various proprietary treatments available for specific applications --- ### **Economic Considerations** 1. **Material Cost**: 20-30% premium over standard H13 2. **Die Life**: Typically 20-40% longer in equivalent applications 3. **Maintenance Costs**: Reduced polishing and repair requirements 4. **Downtime Reduction**: Extended periods between maintenance 5. **Total Cost of Ownership**: Often significantly lower despite higher initial cost 6. **Productivity**: Improved casting quality and consistency --- ### **Technical Support & Services** Latrobe provides comprehensive technical support for Magnadie™: - **Application Engineering**: Expert guidance for die design and application - **Heat Treatment Optimization**: Custom protocols for specific requirements - **Performance Analysis**: Failure analysis and performance optimization - **Training Programs**: Technical seminars on premium die materials - **Field Support**: On-site technical assistance for critical applications --- **Select Latrobe Magnadie™ Modified H-13 Hot Work Die Steel** when standard H13 cannot meet the demanding requirements of modern die casting operations. This enhanced grade delivers superior thermal fatigue resistance, extended service life, and improved dimensional stability that translates directly to higher productivity, reduced downtime, and lower total operating costs. Whether for automotive structural components, high-volume consumer products, or precision magnesium casting, Magnadie™ provides the performance edge needed in today's competitive manufacturing environment. When die performance, longevity, and casting quality are critical to your operation's success, Magnadie™ represents the intelligent investment in premium tooling materials that pays dividends through extended service life and reduced maintenance requirements. -:- For detailed product information, please contact sales. -: Latrobe Magnadie™ Modified H-13 Hot Work Die Steel Specification Dimensions Size： Diameter 20-1000 mm Length <7172 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. -: Latrobe Magnadie™ Modified H-13 Hot Work Die Steel Properties -:- For detailed product information, please contact sales. -:

Applications of Latrobe Magnadie™ Modified H-13 Hot Work Die Steel Rod -:- For detailed product information, please contact sales. -: Chemical Identifiers Latrobe Magnadie™ Modified H-13 Hot Work Die Steel Rod -:- For detailed product information, please contact sales. -:

Packing of Latrobe Magnadie™ Modified H-13 Hot Work Die Steel Rod -:- 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 3643 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