Carpenter,Micro-Melt® 10 Wear Treated Tool Steel Wire (AISI A11)

Carpenter Micro-Melt® 10 Wear Treated Tool Steel Wire (AISI A11) Product Information -:- For detailed product information, please contact sales. -: Carpenter Micro-Melt® 10 Wear Treated Tool Steel Wire (AISI A11) Synonyms -:- For detailed product information, please contact sales. -:

Carpenter Micro-Melt® 10 Wear Treated Tool Steel (AISI A11) Product Information -:- For detailed product information, please contact sales. -: ## **Carpenter Micro-Melt® 10 Wear Treated Tool Steel (AISI A11)** ### **Ultra-High Wear Resistance Tool Steel for Demanding Applications** --- ### **Product Overview** Carpenter Micro-Melt® 10 Wear Treated (AISI A11) is a premium-grade, high-vanadium, high-carbon tool steel manufactured through Carpenter's proprietary powder metallurgy (PM) process. This material represents the pinnacle of **wear resistance** among commercially available tool steels, while maintaining good toughness and excellent dimensional stability during heat treatment. The Micro-Melt process produces an exceptionally uniform distribution of fine, hard vanadium carbides, delivering performance far superior to conventional A11-type steels produced by ingot casting methods. --- ### **Key Advantages** - **Exceptional Wear Resistance**: Contains 9-10% vanadium, forming a high volume of extremely hard (HV 2800+) vanadium carbides (VC), providing outstanding abrasion resistance - **Superior Toughness for its Wear Class**: The fine, uniform PM microstructure offers better toughness than conventional high-vanadium steels, reducing chipping and cracking tendencies - **Excellent Dimensional Stability**: Air-hardening characteristics with minimal transformation stress result in predictable, low-distortion heat treatment - **Enhanced Grindability**: Despite high hardness, the uniform carbide structure allows for easier grinding than conventional A11 steel - **Isotropic Properties**: Consistent performance in all directions due to the absence of carbide banding --- ### **Chemical Composition (%)** | Element | Carbon (C) | Chromium (Cr) | Vanadium (V) | Molybdenum (Mo) | Tungsten (W) | Cobalt (Co) | |---------|------------|---------------|--------------|-----------------|--------------|-------------| | **Content** | 2.30-2.50 | 4.75-5.25 | 9.00-10.00 | 1.15-1.35 | 5.00-5.50 | 9.50-10.50 | *Additional Elements:* Manganese (Mn): ≤0.50%, Silicon (Si): ≤0.50% --- ### **Physical & Mechanical Properties** #### **Physical Properties** - **Density**: 7.92 g/cm³ (0.286 lb/in³) - **Melting Point**: Approximately 1370°C (2500°F) - **Thermal Conductivity**: 20.5 W/m·K at 20°C - **Coefficient of Thermal Expansion**: 10.2 × 10⁻⁶/°C (20-200°C) - **Modulus of Elasticity**: 210 GPa (30 × 10⁶ psi) #### **Mechanical Properties (Hardened & Tempered)** - **Typical Hardness**: **64-66 HRC** (primary service range) - **Compressive Strength**: 3,450 MPa (500 ksi) at 65 HRC - **Transverse Rupture Strength**: 2,760 MPa (400 ksi) - **Abrasion Resistance**: Approximately 3-5× better than D2 tool steel - **Hot Hardness**: Maintains hardness up to 540°C (1000°F) #### **Heat Treatment Parameters** 1. **Annealing**: Heat to 870°C (1600°F), cool slowly to 540°C (1000°F) at 10°C (20°F)/hour, then air cool - *Annealed Hardness*: 280-320 HB 2. **Stress Relieving**: 650-675°C (1200-1250°F), then air cool 3. **Preheating**: 815°C (1500°F) and 955°C (1750°F) 4. **Austenitizing**: 1175-1230°C (2150-2250°F) 5. **Quenching**: Air cool or positive pressure air quench 6. **Tempering**: **Double or triple temper required** at 540-595°C (1000-1100°F) - Typical tempering schedule: 2 hours × 2 cycles minimum --- ### **International Standards & Cross-References** | Standard System | Designation | Equivalent/Similar Grade | |----------------|-------------|--------------------------| | **Carpenter** | Micro-Melt 10, CPM 10V | Primary designation | | **AISI** | A11 | Type classification | | **UNS** | T61010 | Unified numbering system | | **European (EN)** | ~1.2374 (modified) | Not exact equivalent | | **Japanese (JIS)** | No direct equivalent | Closest: SKD12 (inferior) | | **Common Trade Names** | CPM 10V, Vanadis 10 | Similar PM high-vanadium grades | --- ### **Typical Applications** #### **Primary Application Areas:** 1. **Wear-Intensive Forming Tools** - Powder compacting punches and dies - Extrusion dies for abrasive materials - Fine blanking dies requiring sharp edge retention - Thread rolling dies for hard materials 2. **Cutting & Slitting Applications** - Knives for cutting abrasive composites (fiberglass, carbon fiber) - Slitter knives for difficult-to-cut materials - Rotary cutters for paper with mineral fillers - Blades for cutting plastic with abrasive additives 3. **Plastic & Rubber Processing** - Injection molds for filled/reinforced polymers - Extrusion screws and barrels - Wear plates and guides in compounding equipment - Dies for rubber with carbon black fillers 4. **Specialized Industrial Applications** - Wear parts in mineral processing - Shot blast blades and components - Pump components handling abrasive slurries - Wear strips and guides in high-abrasion environments 5. **Woodworking Tools** - Knives for cutting particleboard, MDF, and OSB - Router bits for composite materials - Planer knives for abrasive wood species #### **Service Recommendations:** - **Ideal for**: Applications where abrasive wear is the primary failure mechanism - **Consider when**: D2, D3, or M2 steels wear out too quickly - **Not recommended for**: High-impact applications or where extreme toughness is required - **Best results**: When hardness is maintained at 64-66 HRC --- ### **Machining & Fabrication Notes** #### **In Annealed Condition:** - **Machinability**: Fair (approximately 40% of 1% carbon steel) - Use rigid setups and sharp, positive-rake tools - Recommended cutting speeds: 30-50% lower than for standard tool steels #### **In Hardened Condition:** - **Grinding**: Use aluminum oxide or CBN wheels with light passes - **EDM**: Possible; follow with low-temperature stress relief - **Polishing**: Can achieve excellent surface finishes --- ### **Comparison with Competitive Materials** | Property | Micro-Melt 10 | Conventional A11 | D2 Tool Steel | M2 High-Speed Steel | |----------|---------------|------------------|---------------|---------------------| | **Wear Resistance** | Excellent | Very Good | Good | Good | | **Toughness** | Good | Fair | Very Good | Fair | | **Hardness Potential** | 64-66 HRC | 62-64 HRC | 58-62 HRC | 62-65 HRC | | **Distortion Control** | Excellent | Good | Very Good | Fair | | **Grindability** | Good | Fair | Very Good | Fair | --- ### **Technical Summary** Carpenter Micro-Melt® 10 Wear Treated represents the optimal choice when maximum wear resistance is the primary design criterion. Its exceptional performance stems from the unique combination of high vanadium content and the homogeneous microstructure achieved through powder metallurgy. While it requires careful heat treatment and is more challenging to machine than standard tool steels, its service life in abrasive applications typically justifies the additional cost and processing requirements. This material is particularly valuable in applications where tool changes are expensive or disruptive to production, providing extended service intervals and reduced total operating costs. **Typical Performance Improvement**: 3-10× longer life compared to conventional tool steels in severe abrasive wear applications. --- *Note: All technical data are typical values. For specific applications, consult Carpenter Technology's latest technical datasheets and application engineering support.* -:- For detailed product information, please contact sales. -: Carpenter Micro-Melt® 10 Wear Treated Tool Steel (AISI A11) Specification Dimensions Size： Diameter 20-1000 mm Length <6925 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. -: Carpenter Micro-Melt® 10 Wear Treated Tool Steel (AISI A11) Properties -:- For detailed product information, please contact sales. -:

Applications of Carpenter Micro-Melt® 10 Wear Treated Tool Steel Wire (AISI A11) -:- For detailed product information, please contact sales. -: Chemical Identifiers Carpenter Micro-Melt® 10 Wear Treated Tool Steel Wire (AISI A11) -:- For detailed product information, please contact sales. -:

Packing of Carpenter Micro-Melt® 10 Wear Treated Tool Steel Wire (AISI A11) -:- 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 Wire 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 3396 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