PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy

PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy Product Information -:- For detailed product information, please contact sales. -: PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy Synonyms -:- For detailed product information, please contact sales. -:

PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy Product Information -:- For detailed product information, please contact sales. -: # **PSM Industries PM Krupp T-15HV | Premium Powder Metallurgy Ultra-High Vanadium Cobalt-Bearing High-Speed Steel Alloy** ## **Overview** PSM Industries' PM Krupp T-15HV represents the pinnacle of powder metallurgy high-speed steel technology, specifically engineered to deliver **extreme wear resistance** combined with **exceptional high-temperature performance**. As an enhanced evolution of the traditional T15 composition, the T-15HV variant features significantly increased vanadium content (designated "HV" for High Vanadium) processed through advanced powder metallurgy techniques. This material combines the superior microstructural homogeneity of PM processing with optimized chemistry to address the most severe abrasive wear applications while maintaining the high red hardness characteristic of cobalt-bearing high-speed steels. PM Krupp T-15HV is engineered for applications where conventional tool steels fail prematurely due to extreme abrasion at elevated temperatures. ## **Key Features:** - **Ultra-High Vanadium Content:** Enhanced vanadium formulation for maximum volume of ultra-hard MC carbides - **Exceptional Red Hardness:** Cobalt-enhanced matrix maintains hardness up to 600°C (1112°F) - **Extreme Wear Resistance:** Unmatched abrasion resistance among high-speed steels - **Ultra-Fine Homogeneous Microstructure:** PM processing eliminates carbide segregation with carbide sizes of 1-4 μm - **Superior High-Temperature Toughness:** Maintains fracture resistance at elevated temperatures - **Thermal Fatigue Resistance:** Withstands severe thermal cycling in interrupted cutting - **Perfect Isotropy:** Identical properties in all directions - **Optimized Grindability:** Enhanced grindability compared to conventional high-vanadium steels through PM processing - **Dimensional Stability:** Minimal distortion during heat treatment --- ## **Material Specifications: PM Krupp T-15HV** ### **1. Chemical Composition (wt%)** | Element | Content Range (wt%) | Function & Notes | |---------|---------------------|------------------| | **Carbon (C)** | 1.55 - 1.70% | Optimized for maximum MC carbide formation | | **Tungsten (W)** | 12.00 - 13.00% | Primary carbide former, provides exceptional red hardness | | **Chromium (Cr)** | 4.00 - 4.75% | Provides hardenability and oxidation resistance | | **Vanadium (V)** | 5.00 - 5.50% | **Enhanced content** - forms ultra-hard MC carbides for extreme wear resistance | | **Cobalt (Co)** | 4.75 - 5.50% | Enhances hot hardness, temper resistance, and thermal conductivity | | **Molybdenum (Mo)** | 0.50 - 1.00% | Controlled addition for enhanced hardenability and toughness | | **Silicon (Si)** | 0.15 - 0.30% | Deoxidizer, minimized for optimal toughness | | **Manganese (Mn)** | 0.15 - 0.30% | Improves hardenability, controlled for optimal properties | | **Sulfur (S)** | ≤ 0.003% | Minimized for optimal toughness properties | | **Phosphorus (P)** | ≤ 0.015% | Minimized for enhanced ductility | | **Iron (Fe)** | Balance | Matrix | **PM-Specific Advantages Over Conventional High-Vanadium Grades:** - **Optimal C/V Ratio:** Precisely controlled carbon-to-vanadium ratio for maximum carbide formation - **Homogeneous Vanadium Distribution:** Eliminates vanadium segregation common in conventional casting - **Fine Carbide Morphology:** Uniformly distributed fine MC carbides (1-4 μm) vs. large angular carbides - **Enhanced Toughness:** 30-50% improvement in transverse rupture strength despite very high carbide volume ### **2. Physical & Mechanical Properties** #### **Physical Properties:** | Property | Typical Value | Test Standard | |----------|---------------|----------------| | **Density** | 8.35 g/cm³ | ASTM B311 | | **Melting Range** | 1420-1470°C | - | | **Thermal Conductivity** | 26.0 W/m·K @ 20°C | ASTM E1461 | | **Coefficient of Thermal Expansion** | 10.8 × 10⁻⁶/K (20-400°C) | ASTM E228 | | **Modulus of Elasticity** | 228 GPa | ASTM E111 | | **Specific Heat Capacity** | 435 J/kg·K @ 20°C | ASTM E1269 | #### **Mechanical Properties (Hardened & Triple Tempered):** | Tempering Condition | Hardness (HRC) | Transverse Rupture Strength (MPa) | Impact Toughness (Charpy, J) | Compressive Strength (MPa) | |----------------------|----------------|-----------------------------------|-----------------------------|----------------------------| | **3× 550°C** | 66-68 | 3,000-3,500 | 10-13 | 3,600-3,900 | | **3× 570°C** | 65-67 | 3,200-3,700 | 12-15 | 3,500-3,800 | | **3× 590°C** | 64-66 | 3,400-3,900 | 14-17 | 3,400-3,700 | | **3× 610°C** | 63-65 | 3,600-4,100 | 16-19 | 3,300-3,600 | #### **High-Temperature Properties (Exceptional Feature):** | Temperature | Hot Hardness (HV) | Hot Yield Strength (MPa) | Retained Hardness (% of RT) | |-------------|-------------------|--------------------------|------------------------------| | **500°C** | 720-780 | 1,550-1,750 | 82-87% | | **550°C** | 670-720 | 1,250-1,450 | 77-82% | | **600°C** | 620-670 | 950-1,150 | 72-77% | | **650°C** | 520-580 | 650-850 | 62-68% | #### **Abrasion & Wear Resistance Data (Key Advantage):** - **Pin-on-Disk Wear Rate:** 2.0-2.4 × 10⁻⁶ mm³/N·m - **Relative Abrasion Resistance:** 1.35-1.45× conventional T15 - **Edge Retention in Superalloys:** 50-70% improvement over PM M4 - **Wear Resistance at 500°C:** 1.60-1.85× PM M4 at same temperature - **Abrasive Wear Index:** 180-200 (Relative to PM M2 = 100) #### **Performance Comparison:** | Property | PM Krupp T-15HV | Conventional T15 | PM T15 | Improvement vs. PM T15 | |----------|----------------|-----------------|--------|------------------------| | **Vanadium Content** | 5.00-5.50% | 4.50-5.00% | 4.50-5.00% | +10-15% | | **Average Carbide Size** | 1-4 μm | 12-35 μm | 1-3 μm | Comparable | | **Wear Resistance** | 100% (Ref) | 75-80% | 85-90% | +10-15% | | **Hot Hardness @ 600°C** | 100% (Ref) | 85-90% | 95-98% | +2-5% | | **Grinding Ratio** | 100% (Ref) | 20-30% | 80-90% | +10-20% | ### **3. Microstructural Characteristics** - **Carbide Volume Fraction:** 20-24% (extremely high) - **Primary Carbide Types:** MC (Vanadium-rich, 65-75%), M₆C (Tungsten-rich, 25-35%) - **Average Carbide Size:** 1-4 μm - **Maximum Carbide Size:** ≤ 6 μm - **Carbide Morphology:** Fine, blocky MC carbides; rounded M₆C carbides - **Grain Size:** ASTM 10-11 - **Inclusion Rating:** ASTM E45: A ≤ 0.5, B ≤ 0.5, C ≤ 0.5, D ≤ 0.5 ### **4. Applicable & Reference Standards** - **ASTM A600:** Grade T15 (enhanced vanadium variant) - **ISO 4957:** HS12-1-5-5 (modified) - **DIN 1.3265+:** Enhanced vanadium variant - **Customer-Specific Specifications:** Developed for extreme wear applications --- ## **Heat Treatment Guidelines** ### **Annealing:** - **Temperature:** 850-870°C - **Resulting Hardness:** 270-300 HB ### **Hardening:** - **Austenitizing:** 1220-1250°C - **Quenching:** High-pressure gas quench (8-12 bar) ### **Tempering:** - **Minimum:** Triple tempering - **Temperature Range:** 550-620°C - **Cryogenic Treatment:** Essential --- ## **Product Applications** ### **Extreme Wear Applications:** - **Abrasive Composite Machining:** Carbon fiber reinforced polymers (CFRP), glass-filled plastics - **High-Silicon Aluminum:** Automotive engine blocks and components - **Hardened Steel Machining:** Tools for steels >60 HRC - **Thermal Spray Coatings:** Machining of coated components ### **High-Temperature Demanding Operations:** - **Aerospace Superalloys:** Inconel, Waspaloy, Rene alloys - **Titanium Alloys:** Ti-6Al-4V, beta titanium alloys - **Die Casting Tooling:** Cores and inserts for aluminum die casting - **Hot Work Applications:** Where both heat and abrasion are factors --- ## **Technical Advantages** ### **Compared to Conventional Solutions:** - **Versus Carbides:** Better toughness and impact resistance - **Versus Ceramics:** Superior thermal shock resistance - **Versus Standard T15:** 30-40% longer tool life in abrasive applications - **Versus PM M4:** 15-25% better high-temperature performance ### **Economic Benefits:** - **Extended Tool Life:** 50-100% improvement in abrasive applications - **Reduced Changeover Time:** Longer production runs - **Improved Quality:** Consistent performance throughout tool life - **Lower Total Cost:** Despite higher initial cost, lower cost per part --- ## **Quality Assurance** - Full traceability from melt to finished product - Comprehensive testing including ultrasonic inspection - Microstructural analysis with carbide characterization - Hardness mapping and mechanical testing --- **Disclaimer:** PM Krupp T-15HV is a premium material requiring specialized handling and processing. Consultation with PSM technical personnel is essential for successful implementation. Specifications subject to change without notice. -:- For detailed product information, please contact sales. -: PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy Specification Dimensions Size： Diameter 20-1000 mm Length <7112 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. -: PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy Properties -:- For detailed product information, please contact sales. -:

Applications of PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy -:- For detailed product information, please contact sales. -: Chemical Identifiers PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy -:- For detailed product information, please contact sales. -:

Packing of PSM Industries PM Krupp T-15HV Powder Metallurgy Steel Alloy -:- 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 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 3583 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