Spherical Latrobe Knocor™ Hot Work Tool Steel Powder

Latrobe Knocor™ Hot Work Tool Steel Spherical Powder Product Information -:- For detailed product information, please contact sales. -: Latrobe Knocor™ Hot Work Tool Steel Spherical Powder Synonyms -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Spherical Latrobe Knocor™ Hot Work Tool Steel Powder characteristics -:- For detailed product information, please contact sales. -: Spherical Latrobe Knocor™ Hot Work Tool Steel Powder Particle Size -:- For detailed product information, please contact sales. -: -:- -:- 0-15μm ,5-25μm, 15-45μm, 15-53μm,20-63um, 45-75μm, 45-105μm, 45-150μm ,75-150μm. (Various granularities can be customized according to customer requirements) -:- For detailed product information, please contact sales. -:

Spherical Latrobe Knocor™ Hot Work Tool Steel Powder Applicable processes -:- For detailed product information, please contact sales. -: Laser/electron beam additive manufacturing (SLM/EBM, 3D printing) Direct laser deposition (DLD) Used in thermal spray (TSA) Powder hot isostatic pressing (HIP) Metal injection molding (MIM) Powder metallurgy (PM) Laser cladding (LC), etc. -:- For detailed product information, please contact sales. -: Spherical Latrobe Knocor™ Hot Work Tool Steel Powder Chemical Composition -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Latrobe Knocor™ Hot Work Tool Steel Product Information -:- For detailed product information, please contact sales. -: # **Latrobe Knocor™ Hot Work Tool Steel** ## **Premium High-Performance Hot Work Tool Steel for Demanding Applications** Latrobe Knocor™ represents a premium, high-performance hot work tool steel engineered to deliver exceptional thermal fatigue resistance, high-temperature strength, and extended service life in the most demanding industrial applications. This advanced material is specifically formulated to withstand severe thermal cycling, mechanical stress, and abrasive wear conditions encountered in modern manufacturing processes. The "Knocor" designation signifies its superior toughness and resilience in challenging hot work environments. --- ### **Key Features & Benefits** - **Exceptional Thermal Fatigue Resistance**: Superior resistance to heat checking and thermal cracking in cyclic heating applications - **High-Temperature Toughness**: Maintains excellent impact resistance at elevated operating temperatures - **Optimized Wear Resistance**: Balanced composition provides superior abrasion resistance for extended tool life - **Excellent Dimensional Stability**: Minimal distortion during heat treatment and in service - **Enhanced Thermal Conductivity**: Improved heat transfer characteristics for better thermal management - **Versatile Performance**: Suitable for a wide range of hot work applications across multiple industries --- ### **Chemical Composition (Typical %, Proprietary High-Performance Formula)** | Element | Carbon (C) | Chromium (Cr) | Molybdenum (Mo) | Vanadium (V) | Tungsten (W) | Special Alloy Additions | |---------|------------|---------------|-----------------|--------------|--------------|-------------------------| | **Content** | 0.35 - 0.45 | 4.80 - 5.50 | 1.20 - 1.80 | 0.80 - 1.20 | 0.80 - 1.50 | Micro-alloying elements for enhanced properties | *Note: Knocor™ features a proprietary, optimized composition that builds upon conventional hot work steel technology with carefully balanced alloying elements. The specific combination of chromium, molybdenum, vanadium, and tungsten provides an exceptional balance of hot hardness, toughness, and thermal fatigue resistance. Micro-alloying elements further enhance grain refinement and precipitation strengthening.* --- ### **Physical & Mechanical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 7.82 g/cm³ | | **Thermal Conductivity** | 27-32 W/m·K at 20°C (improved over conventional grades) | | **Specific Heat Capacity** | 0.46 kJ/kg·K at 20°C | | **Coefficient of Thermal Expansion** | 10.8 × 10⁻⁶/K (20-400°C) | | **Hardness (Annealed)** | 195-225 HB | | **Hardness (Heat Treated)** | **44-50 HRC** (optimized working range) | | **High-Temperature Yield Strength** | ≥ 1150 MPa at 540°C (1000°F) | | **Tensile Strength** | 1,700-2,100 MPa (at 47 HRC) | | **Yield Strength** | 1,500-1,900 MPa (at 47 HRC) | | **Modulus of Elasticity** | 210-220 GPa | | **Impact Toughness** | **Excellent** – superior to conventional hot work steels | | **Thermal Fatigue Life** | 30-50% improvement over standard H13 in comparable applications | --- ### **Heat Treatment Guidelines** #### **Annealing** - **Temperature**: 850-880°C (1560-1615°F) - **Method**: Slow furnace cool at ≤20°C (36°F) per hour to 600°C (1110°F), then air cool - **Resultant Hardness**: 195-225 HB - **Special Note**: Controlled cooling rates optimize microstructure for subsequent heat treatment #### **Stress Relieving** - **Temperature**: 650-680°C (1200-1255°F) - **Hold Time**: 1.5-2 hours per inch of thickness - **Cooling**: Slow furnace cool to 500°C (930°F), then air cool #### **Hardening (Optimized Process)** 1. **Preheating**: **Double preheat recommended**
• First: 650-700°C (1200-1290°F)
• Second: 850-900°C (1560-1650°F) 2. **Austenitizing**: **1010-1040°C (1850-1905°F)** – precise control for optimal results 3. **Soak Time**: 20-40 minutes per inch of thickness 4. **Quenching**: Air cooling standard; forced air or oil for maximum hardness in thick sections 5. **Immediate Handling**: Cool to below 65°C (150°F) before tempering #### **Tempering (Critical for Performance Optimization)** - **Temperature Range**: 560-620°C (1040-1150°F) - **Cycles**: **Double tempering mandatory**; triple tempering for maximum performance - **Duration**: 2 hours per cycle minimum, slow cool between cycles - **Target Hardness**: 44-50 HRC typically achieved at 580-600°C (1075-1110°F) - **Special Feature**: Enhanced secondary hardening response due to optimized composition --- ### **International Standards & Specifications** | Standard | Grade Designation | Notes | |----------|-------------------|-------| | **Proprietary** | Knocor™ | Latrobe Special Steel trademark | | **Based On** | Enhanced H13 technology | Superior performance variant | | **Industry Recognition** | Premium hot work grade | Accepted by major manufacturers | | **Quality Standards** | Aerospace/Industrial Premium | Meets stringent industrial requirements | | **Similar Performance Grades** | Various premium H13 variants | Comparable to other high-performance hot work steels | --- ### **Typical Applications** #### **Advanced Die Casting Applications** - **High-Pressure Aluminum Die Casting**: For automotive structural components and complex parts - **Large Thin-Wall Castings**: Where thermal fatigue resistance is critical - **Magnesium Die Casting**: For lightweight automotive and electronics applications - **High-Volume Production Dies**: Requiring extended service life and minimal downtime #### **Demanding Forging Operations** - **Precision Forging Dies**: For aerospace and automotive critical components - **Hot Trimming and Piercing Tools**: Subject to severe thermal and mechanical stress - **Forging Die Inserts**: For high-temperature alloy forging - **Forging Press Components**: Requiring durability under cyclic loading #### **Extrusion Tooling** - **Complex Aluminum Extrusion Dies**: For intricate profiles and thin-walled sections - **High-Temperature Extrusion**: For copper alloys and special materials - **Extrusion Mandrels and Backers**: Subject to combined thermal and mechanical stresses #### **Specialized Hot Work Applications** - **Hot Runner Systems**: For high-temperature engineering plastics - **Glass Molding Tools**: For precision optical and container manufacturing - **Hot Forming Dies**: For advanced high-strength steels - **Powder Metal Compaction Tools**: For high-temperature processes --- ### **Machining & Fabrication Notes** #### **Machinability (Annealed Condition)** - **Rating**: 60-70% of B1112 free-machining steel - **Recommended Tools**: Carbide tools recommended for production efficiency - **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 achievable surface quality #### **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 - **Special Advantage**: Consistent grinding behavior with predictable results #### **EDM Machining** - Excellent suitability for wire and sinker EDM - Consistent material removal characteristics - Good surface finish achievable with optimized parameters - Stress relief after heavy EDM recommended #### **Polishing and Texturing** - **Very Good Polishability**: Can achieve high-quality surface finishes - **Texturing Response**: Excellent for chemical and laser texturing processes - **Surface Integrity**: Good resistance to polishing-related defects - **Maintenance**: Relatively easy to repair and repolish --- ### **Quality Assurance & Metallurgical Standards** #### **Enhanced Microstructural Requirements** - **Carbide Distribution**: Fine, uniformly dispersed carbides - **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 - **Homogeneity**: Exceptional uniformity throughout cross-sections #### **Testing & Certification** - Complete chemical analysis with tight tolerance verification - Hardness testing at multiple locations for uniformity verification - Microstructural evaluation including carbide analysis - Ultrasonic testing available for critical applications - Thermal fatigue testing data available for qualification - Full traceability with comprehensive documentation --- ### **Available Product Forms** | Form | Standard Sizes | Condition | Surface Finish | Quality 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 allowance | --- ### **Technical Comparison: Knocor™ vs. Conventional Hot Work Steels** | Property | Knocor™ | Standard H13 | Premium H13 Variants | |----------|---------|--------------|---------------------| | **Thermal Fatigue Resistance** | **Superior** | Good | Very Good | | **Impact Toughness** | **Excellent** | Very Good | Very Good | | **High-Temperature Strength** | Very Good | Good | Good | | **Wear Resistance** | Very Good | Very Good | Very Good | | **Thermal Conductivity** | **Improved** | Standard | Standard | | **Dimensional Stability** | Excellent | Good | Very Good | | **Consistency** | **Exceptional** | Variable | Good | | **Service Life** | **Extended** | Standard | Improved | --- ### **Surface Treatment Compatibility** Knocor™ is highly compatible with advanced surface treatments: - **Nitriding**: Excellent results with all nitriding processes (gas, plasma, salt bath) - **PVD Coatings**: TiN, TiCN, TiAlN coatings show excellent adhesion - **CVD Coatings**: Suitable with proper pretreatment and process control - **Surface Engineering**: Various proprietary treatments available for specific applications --- ### **Economic Considerations** 1. **Material Cost**: 20-35% premium over conventional hot work steels 2. **Tool Life**: Typically 25-40% longer in equivalent applications 3. **Maintenance Costs**: Reduced polishing, repair, and maintenance requirements 4. **Downtime Reduction**: Extended production runs between maintenance intervals 5. **Quality Improvements**: Enhanced process stability and product quality 6. **Total Cost of Ownership**: Often substantially lower despite higher initial investment 7. **ROI**: Typically achieved within first 6-12 months of production --- ### **Technical Support & Premium Services** Latrobe provides comprehensive technical support for Knocor™: - **Application Engineering**: Expert guidance for demanding applications - **Heat Treatment Optimization**: Custom protocols for specific requirements - **Performance Analysis**: Failure analysis and performance optimization services - **Training Programs**: Technical seminars on advanced hot work materials - **Field Support**: On-site technical assistance for critical applications - **Process Validation**: Assistance with implementation in production environments --- **Select Latrobe Knocor™ Hot Work Tool Steel** when conventional hot work steels cannot meet the demanding requirements of modern manufacturing applications. This premium-grade material delivers exceptional thermal fatigue resistance, high-temperature toughness, and extended service life that translate directly to higher productivity, reduced downtime, and lower total operating costs. Whether for advanced die casting of automotive structural components, precision forging of aerospace parts, or demanding extrusion applications, Knocor™ provides the performance edge needed in today's competitive manufacturing environment. When tool performance, longevity, and reliability directly impact production efficiency and product quality, Knocor™ represents the intelligent investment in premium tooling materials that delivers measurable returns through extended service life and reduced maintenance requirements. -:- For detailed product information, please contact sales. -: Latrobe Knocor™ Hot Work Tool Steel Specification Dimensions Size： Diameter 20-1000 mm Length <7179 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 Knocor™ Hot Work Tool Steel Properties -:- For detailed product information, please contact sales. -:

Spherical Latrobe Knocor™ Hot Work Tool Steel Powder Particle Size Description -:- For detailed product information, please contact sales. -: Applications of Spherical Latrobe Knocor™ Hot Work Tool Steel Powder -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Applications of Latrobe Knocor™ Hot Work Tool Steel Spherical Powder -:- For detailed product information, please contact sales. -: Chemical Identifiers Latrobe Knocor™ Hot Work Tool Steel Spherical Powder -:- For detailed product information, please contact sales. -:

Packing of Latrobe Knocor™ Hot Work Tool Steel Spherical Powder -:- 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 Spherical Powder 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 3650 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