Spherical Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Powder

Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Spherical Powder Product Information -:- For detailed product information, please contact sales. -: Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Spherical Powder Synonyms -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Spherical Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Powder characteristics -:- For detailed product information, please contact sales. -: Spherical Latrobe HS-29XL™ ASTM M2-HC High Speed 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 HS-29XL™ ASTM M2-HC High Speed 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 HS-29XL™ ASTM M2-HC High Speed Steel Powder Chemical Composition -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Product Information -:- For detailed product information, please contact sales. -: # **Latrobe HS-29XL™ ASTM M2-HC High Speed Steel** ## **Premium High-Carbon M2 Grade for Superior Wear Resistance** Latrobe HS-29XL™ M2-HC is an enhanced, high-carbon variant of the industry-standard M2 high-speed steel (ASTM A600 M2-HC) engineered for applications demanding exceptional abrasion resistance and extended tool life. Through precise control of carbon and vanadium content, this grade delivers superior performance in highly abrasive machining conditions while maintaining the balanced properties that have made M2 the most widely used high-speed steel globally. --- ### **Key Features & Benefits** - **Enhanced Wear Resistance**: Elevated carbon and vanadium content increases hard carbide volume (particularly vanadium carbides), providing up to 30% better abrasion resistance than standard M2 grades - **Optimized Hot Hardness**: Maintains cutting edge integrity at temperatures exceeding 540°C (1000°F), suitable for aggressive machining parameters - **Extended Tool Life**: Superior resistance to edge wear and flank wear translates to longer production runs between tool changes and regrinds - **Consistent Performance**: Manufactured under strict quality controls ensuring uniform carbide distribution and predictable heat treatment response - **Versatile Application**: Retains enough toughness for a wide range of cutting operations while excelling in abrasive conditions --- ### **Chemical Composition (Typical %, ASTM A600 M2-HC Specification)** | Element | Carbon (C) | Tungsten (W) | Molybdenum (Mo) | Chromium (Cr) | Vanadium (V) | Cobalt (Co) | |---------|------------|--------------|-----------------|---------------|--------------|-------------| | **Content** | 1.00 - 1.10 | 5.90 - 6.70 | 4.70 - 5.20 | 3.80 - 4.50 | 2.30 - 2.60 | - | *Note: The "HC" designation indicates High Carbon variant. Silicon (Si) 0.20-0.45% and Manganese (Mn) 0.15-0.40% are present as standard alloying elements.* --- ### **Physical & Mechanical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 8.16 g/cm³ | | **Thermal Conductivity** | 24-28 W/m·K at 20°C | | **Specific Heat Capacity** | 0.46 kJ/kg·K at 20°C | | **Coefficient of Thermal Expansion** | 10.5 × 10⁻⁶/K (20-400°C) | | **Hardness (Annealed)** | 215-240 HB | | **Hardness (Heat Treated)** | 65-67 HRC (typical working range) | | **Transverse Rupture Strength** | 3,500-4,000 MPa (at 65 HRC) | | **Compressive Strength** | 3,800-4,200 MPa (at 65 HRC) | | **Modulus of Elasticity** | 215-225 GPa | --- ### **Heat Treatment Guidelines** #### **Annealing** - **Temperature**: 850-870°C (1560-1600°F) - **Method**: Slow furnace cool at ≤22°C (40°F) per hour to 600°C (1110°F), then air cool - **Resultant Hardness**: 215-240 HB #### **Stress Relieving** - **Temperature**: 650-675°C (1200-1245°F) - **Hold Time**: 1-2 hours per inch of thickness - **Cooling**: Air cool to room temperature #### **Hardening** 1. **Preheating**: 815-845°C (1500-1550°F) – equalize thoroughly 2. **Second Preheat**: 980-1010°C (1795-1850°F) – for complex sections 3. **Austenitizing**: **1215-1230°C (2220-2245°F)** – precise control critical 4. **Quenching**: Oil, salt, or forced air (dependent on section size) 5. **Immediate Treatment**: Cool to 50-65°C (120-150°F) before tempering #### **Tempering** - **Temperature Range**: 540-580°C (1005-1075°F) - **Cycles**: Double or triple temper required - **Duration**: Minimum 2 hours per cycle, air cool between cycles - **Target Hardness**: 65-67 HRC achieved at 540-560°C (1005-1040°F) #### **Sub-Zero Treatment** - **Optional**: For maximum dimensional stability and retained austenite transformation - **Temperature**: -80 to -100°C (-112 to -148°F) - **Timing**: After quenching, before tempering - **Duration**: 2-4 hours --- ### **International Standards & Equivalent Grades** | Standard | Grade Designation | Comparable Specification | |----------|-------------------|---------------------------| | **ASTM** | A600 M2-HC (UNS T11312) | Primary Specification | | **ISO** | HS6-5-2C (ISO 4957) | International Standard | | **DIN** | 1.3343S / S 6-5-2C | German Standard | | **JIS** | SKH51-HC / M2-HC | Japanese Standard | | **AFNOR** | HS6-5-2C (Z85WDCV 06-05-04-02C) | French Standard | | **GB** | W6Mo5Cr4V2Co5 (Approximate) | Chinese Standard | | **UNS** | T11312 | Unified Numbering System | --- ### **Typical Applications** #### **Primary Cutting Tool Applications** - **Hard Material Machining**: Tools for machining hardened steels (45-55 HRC), high-temperature alloys, and abrasive composites - **Precision Finishing Tools**: Reamers, broaches, and boring tools where edge sharpness retention is critical - **High-Production Tools**: End mills, drills, and taps for abrasive materials like fiberglass composites, carbon fiber, and reinforced plastics - **Form Tools**: Complex shaped tools requiring maximum wear resistance in abrasive cutting conditions - **Thread Cutting**: Taps and thread mills for hard or abrasive workpiece materials #### **Specialized Industrial Applications** - **Cold Work Tooling**: Punches and dies for abrasive sheet materials - **Wear Components**: Guide pins, bushings, and wear plates in abrasive environments - **Knife Blades**: Industrial cutting blades for abrasive materials - **Punch Press Tools**: Tools for stamping abrasive composites or pre-painted materials #### **Industry-Specific Uses** - **Aerospace**: Machining titanium alloys, nickel-based superalloys, and composite materials - **Automotive**: High-volume production of cast iron components and hardened gears - **Mold & Die**: Core pins and inserts for abrasive plastic molding materials - **Energy**: Tools for machining oilfield components and power generation parts --- ### **Machining & Fabrication Notes** #### **Machinability (Annealed Condition)** - **Rating**: 40-50% of B1112 free-machining steel - **Recommended Tools**: Carbide or premium coated HSS tools - **Cutting Speeds**: 10-15 m/min (30-50 SFM) for turning operations - **Coolant**: Heavy-duty soluble oil or synthetic coolant recommended #### **Grindability** - **Relative Rating**: 45-55 (vs. 100 for annealed O1 tool steel) - **Recommendations**: Use aluminum oxide or SG abrasives with frequent dressing - **Coolant**: Ample coolant flow to prevent thermal cracking #### **EDM Machining** - Suitable for wire EDM and sinker EDM operations - Stress relieve after roughing operations - Final heat treatment after EDM completion recommended --- ### **Quality Assurance & Metallurgical Standards** #### **Microstructural Requirements** - **Carbide Distribution**: Uniform, fine dispersion of MC and M₆C type carbides - **Grain Size**: ASTM 8 or finer - **Decarburization**: ≤0.10 mm per side on finished products - **Non-Metallic Inclusions**: ASTM E45 Method A, ≤2.0 total rating #### **Testing & Certification** - Full traceability from melt to final product - Chemical analysis from spectrometer and wet chemistry - Hardness testing (Rockwell and Brinell) - Microcleanliness and microstructure evaluation available upon request - Certified test reports provided with shipment --- ### **Available Product Forms** | Form | Standard Sizes | Condition | Surface Finish | |------|---------------|-----------|---------------| | **Round Bars** | 3mm - 300mm diameter | Annealed, Hardened & Tempered | Black, Peeled, Ground | | **Flat Bars** | 6-200mm thickness, 20-300mm width | Annealed | Mill, Ground | | **Squares** | 6-150mm | Annealed | As-rolled, Ground | | **Billets** | Custom dimensions | Annealed | As-forged, Rough turned | | **Forged Blanks** | Per customer drawing | Annealed, Rough machined | As-forged, Machined | | **Wire & Strip** | 0.5-10mm diameter/thickness | Annealed, Hardened & Tempered | Bright, Polished | --- ### **Storage & Handling Recommendations** 1. **Storage Conditions**: Dry, temperature-controlled environment 2. **Protection**: Coat with rust preventive oil for long-term storage 3. **Handling**: Use clean gloves to prevent contamination 4. **Shelf Life**: Indefinite when properly stored and protected --- ### **Technical Support & Services** Latrobe provides comprehensive technical support for HS-29XL™ M2-HC: - **Application Engineering**: Tool design and grade selection assistance - **Heat Treatment Consultation**: Custom heat treatment protocols - **Failure Analysis**: Metallurgical investigation of tool performance - **Training**: In-plant seminars on HSS tooling and maintenance --- **Select Latrobe HS-29XL™ ASTM M2-HC High Speed Steel** when your applications demand the ultimate in wear resistance from an M2-based high-speed steel. This enhanced formulation delivers extended tool life in abrasive machining conditions while maintaining the processing familiarity and balanced performance that have established M2 as the global industry standard for high-performance cutting tools. -:- For detailed product information, please contact sales. -: Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Specification Dimensions Size： Diameter 20-1000 mm Length <7148 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 HS-29XL™ ASTM M2-HC High Speed Steel Properties -:- For detailed product information, please contact sales. -:

Spherical Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Powder Particle Size Description -:- For detailed product information, please contact sales. -: Applications of Spherical Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Powder -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Applications of Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Spherical Powder -:- For detailed product information, please contact sales. -: Chemical Identifiers Latrobe HS-29XL™ ASTM M2-HC High Speed Steel Spherical Powder -:- For detailed product information, please contact sales. -:

Packing of Latrobe HS-29XL™ ASTM M2-HC High Speed 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 3619 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