Latrobe,LSS™ 2714T Hot Work Tool Steel Tube,Pipe (DIN 1.2714 mod)

Latrobe LSS™ 2714T Hot Work Tool Steel Tube (DIN 1.2714 mod) Product Information -:- For detailed product information, please contact sales. -: Latrobe LSS™ 2714T Hot Work Tool Steel Tube (DIN 1.2714 mod) Synonyms -:- For detailed product information, please contact sales. -:

Latrobe LSS™ 2714T Hot Work Tool Steel (DIN 1.2714 mod) Product Information -:- For detailed product information, please contact sales. -: # **Latrobe LSS™ 2714T Hot Work Tool Steel** ## **Premium Through-Hardening Modified 1.2714 Steel for Extreme Toughness Applications** Latrobe LSS™ 2714T represents a technologically advanced, through-hardening variant of the classic German DIN 1.2714 specification, engineered specifically to deliver exceptional toughness and impact resistance in the most demanding hot work applications. The "T" designation indicates enhanced through-hardening capabilities and optimized thermal stability for tools and dies subjected to severe mechanical shock, thermal cycling, and abrasive wear conditions. This premium-grade material combines the renowned toughness of 1.2714 with improved depth of hardness and dimensional stability for critical industrial applications. --- ### **Key Features & Benefits** - **Exceptional Through-Hardening Capability**: Superior depth of hardness with uniform properties throughout cross-section - **Extreme Impact Resistance**: Outstanding toughness at both ambient and elevated temperatures - **Enhanced Thermal Stability**: Maintains mechanical properties under severe thermal cycling conditions - **Good Wear Resistance**: Balanced composition provides adequate abrasion resistance while preserving toughness - **Minimal Distortion**: Predictable dimensional stability during heat treatment - **Superior Fatigue Resistance**: Excellent resistance to crack initiation and propagation under cyclic loading - **Versatile Hardness Range**: Capable of achieving various hardness levels while maintaining core toughness --- ### **Chemical Composition (Typical %, Enhanced DIN 1.2714 Specification)** | Element | Carbon (C) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) | Vanadium (V) | Silicon (Si) | Manganese (Mn) | Special Additions | |---------|------------|---------------|-------------|-----------------|--------------|--------------|----------------|-------------------| | **Content** | 0.52 - 0.62 | 0.65 - 1.10 | 1.60 - 2.10 | 0.55 - 0.85 | 0.12 - 0.22 | 0.15 - 0.45 | 0.65 - 1.05 | Micro-alloying elements for grain refinement | *Note: LSS™ 2714T maintains the fundamental nickel-chromium-molybdenum-vanadium composition of standard 1.2714 with enhanced controls and micro-alloying additions. The precise balance of nickel (for toughness), chromium and molybdenum (for hardenability), and vanadium (for secondary hardening) has been optimized for maximum through-hardening performance and thermal stability.* --- ### **Physical & Mechanical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 7.86 g/cm³ | | **Thermal Conductivity** | 36-41 W/m·K at 20°C | | **Specific Heat Capacity** | 0.46 kJ/kg·K at 20°C | | **Coefficient of Thermal Expansion** | 11.1 × 10⁻⁶/K (20-400°C) | | **Hardness (Annealed)** | 205-235 HB | | **Hardness (Heat Treated)** | **50-58 HRC** (optimized working range) | | **Core Hardness (at 100mm depth)** | ≥ 48 HRC (demonstrating excellent through-hardening) | | **Tensile Strength** | 1,700-2,200 MPa (at 54 HRC) | | **Yield Strength** | 1,500-1,900 MPa (at 54 HRC) | | **Modulus of Elasticity** | 210-215 GPa | | **Impact Toughness (Charpy V-notch)** | 40-60 J at room temperature (exceptional for hardness level) | | **High-Temperature Impact Toughness** | Maintains ≥ 30 J at 300°C (570°F) | | **Fatigue Strength** | 600-750 MPa (rotating bending, R=-1) | --- ### **Heat Treatment Guidelines** #### **Annealing** - **Temperature**: 780-820°C (1435-1510°F) - **Method**: Controlled slow furnace cool at ≤15°C (27°F) per hour to 600°C (1110°F), then air cool - **Resultant Hardness**: 205-235 HB - **Special Note**: Extended soaking time recommended for optimal microstructure refinement #### **Stress Relieving** - **Temperature**: 600-650°C (1110-1200°F) - **Hold Time**: 1.5-2.5 hours per inch of thickness - **Cooling**: Slow furnace cool to 500°C (930°F), then air cool #### **Hardening (Through-Hardening Process)** 1. **Preheating**: **Critical for dimensional stability**
• First: 650-700°C (1200-1290°F) – thorough equalization
• Second: 750-800°C (1380-1470°F) – for complex geometries 2. **Austenitizing**: **840-870°C (1545-1600°F)** – precise temperature control essential 3. **Soak Time**: 30-60 minutes per inch of thickness (longer for maximum through-hardening) 4. **Quenching**: **Oil quenching preferred**; polymer or high-velocity air for specific applications 5. **Immediate Handling**: Cool to 40-60°C (105-140°F) before tempering #### **Tempering (Critical for Optimal Toughness)** - **Temperature Range**: 450-620°C (840-1150°F) - **Cycles**: **Double tempering mandatory**; triple tempering for maximum toughness - **Duration**: 2-3 hours per cycle, slow cool between cycles - **Target Hardness**: 50-58 HRC typically achieved at 500-580°C (930-1075°F) - **Special Feature**: Excellent toughness retention at higher hardness levels #### **Sub-Zero Treatment (Optional)** - **Application**: Recommended for maximum dimensional stability - **Temperature**: -70 to -100°C (-95 to -148°F) - **Duration**: 2-3 hours - **Timing**: After quenching, before first temper - **Benefit**: Enhanced dimensional stability and potential toughness improvement --- ### **International Standards & Specifications** | Standard | Grade Designation | Notes | |----------|-------------------|-------| | **DIN** | 1.2714 Enhanced | Premium through-hardening variant | | **W-Nr.** | 1.2714 (T-variant) | Werkstoff number with T designation | | **Proprietary** | LSS™ 2714T | Latrobe Special Steel premium designation | | **Customer Specifications** | Various OEM standards | Meets enhanced requirements of major manufacturers | | **Similar Grades** | Premium 55NiCrMoV7 variants | Comparable European premium grades | | **Quality Standard** | Latrobe Premium Through-Hardening | Internal specification with enhanced requirements | --- ### **Typical Applications** #### **Heavy-Duty Forging Applications** - **Hammer Forging Dies**: For blacksmith hammers, power hammers, and counterblow hammers - **Large Press Forging Tools**: For hydraulic and mechanical forging presses - **Forging Die Inserts for Aerospace**: Titanium and nickel superalloy forging - **Upsetting and Heading Tools**: For bolt, rivet, and fastener manufacturing - **Trimming and Punching Dies**: For hot forging operations with high impact loads #### **Extreme Service Extrusion** - **Extrusion Press Components**: Rams, stems, and containers for difficult materials - **Copper and Brass Extrusion Tools**: Where toughness prevents catastrophic failure - **Steel Extrusion Tooling**: For specialized steel alloy extrusion - **Mandrels for Hollow Extrusions**: Subject to combined thermal and mechanical stress #### **Critical Die Casting Components** - **Large Die Casting Dies**: For automotive structural components - **Shot Sleeves and Plunger Tips**: For aluminum and magnesium die casting - **Die Casting Machine Components**: Subject to impact and thermal stress - **Ejector Systems**: For heavy-section casting ejection #### **Specialized Industrial Applications** - **Hot Shear Blades for Steel Mills**: For cutting blooms, billets, and slabs - **Railroad Wheel and Axle Manufacturing**: Forging tools for railway components - **Heavy Machinery Component Forging**: For construction and mining equipment - **Oil and Gas Tooling**: For forging of drill bits, valves, and fittings #### **Non-Forging Applications** - **Plastic Injection Molds**: For engineering plastics requiring toughness - **Rubber Molding Tools**: For compression and transfer molding - **Machine Components**: Heavy-duty gears, shafts, and connecting rods - **Tool Holders and Fixtures**: For machining centers and manufacturing systems --- ### **Machining & Fabrication Notes** #### **Machinability (Annealed Condition)** - **Rating**: 45-55% of B1112 free-machining steel - **Recommended Tools**: **Carbide tools recommended** for production efficiency - **Cutting Speeds**: 15-25 m/min (50-80 SFM) for turning operations with carbide - **Feed Rates**: Moderate feeds with good chip control - **Coolant**: Heavy-duty synthetic coolant essential - **Special Consideration**: Nickel content affects chip formation and may require positive rake angles #### **Grindability** - **Relative Rating**: 55-65 (vs. 100 for annealed O1 tool steel) - **Abrasive Recommendations**: Aluminum oxide or ceramic alumina wheels - **Wheel Maintenance**: Regular dressing with optimized parameters - **Coolant**: High-volume flood coolant for thermal management - **Surface Finish**: Good surface quality achievable with proper technique #### **EDM Machining** - **Good suitability** for wire and sinker EDM - **Consistent material removal** characteristics - **Surface condition** requires post-EDM polishing for optimal finish - **Stress relief** after heavy EDM operations recommended #### **Welding and Repair** - **Moderate weldability** with specialized procedures - **Preheating**: 350-450°C (660-840°F) essential - **Post-weld heat treatment**: Critical for restored properties - **Filler material**: Matching or compatible high-nickel electrodes recommended --- ### **Quality Assurance & Enhanced Metallurgical Standards** #### **Premium Microstructural Requirements** - **Carbide Distribution**: Fine, uniformly distributed carbides - **Grain Size**: ASTM 7 or finer (typically ASTM 8-9) - **Decarburization**: ≤0.20 mm per side on finished products - **Non-Metallic Inclusions**: ASTM E45 Method D, ≤1.5 total rating - **Through-Hardness Verification**: Hardness testing at multiple depths - **Microcleanliness**: Enhanced standards for critical applications #### **Enhanced Testing & Certification** - **Complete chemical analysis** with tight tolerance verification - **Hardness profile testing** at multiple depths and locations - **Mechanical testing** including tensile, impact, and fatigue properties - **Microstructural evaluation** with detailed carbide analysis - **Ultrasonic testing** for internal quality assessment - **Full traceability** with enhanced documentation package --- ### **Available Product Forms** | Form | Standard Sizes | Condition | Surface Finish | Special Features | |------|---------------|-----------|----------------|------------------| | **Round Bars** | 25-600mm diameter | Annealed | Precision Ground | UT tested, certified | | **Flat Bars and Plate** | 20-400mm 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 | | **Pre-Hardened Stock** | Limited sizes | Heat Treated | Ground | For specific applications | --- ### **Technical Comparison: 2714T vs. Standard 1.2714** | Property | LSS™ 2714T | Standard 1.2714 | Improvement | |----------|-------------|-----------------|-------------| | **Through-Hardening Depth** | **Superior** | Good | 30-50% improvement | | **Impact Toughness at High HRC** | **Excellent** | Very Good | 20-40% improvement | | **Dimensional Stability** | **Enhanced** | Good | Significant improvement | | **Fatigue Resistance** | **Superior** | Good | 25-40% improvement | | **Thermal Stability** | **Enhanced** | Good | Moderate improvement | | **Consistency** | **Premium** | Variable | Major advantage | | **Cost Premium** | 20-40% | Baseline | - | --- ### **Surface Treatment Compatibility** LSS™ 2714T provides excellent performance with surface enhancements: - **Nitriding**: Excellent candidate for all nitriding processes - **Surface Hardening**: Induction and flame hardening suitable with proper controls - **PVD Coatings**: Good adhesion with proper surface preparation - **CVD Coatings**: Limited application due to temperature constraints - **Specialized Treatments**: Various proprietary surface engineering options --- ### **Economic Considerations** 1. **Material Cost**: 20-40% premium over standard 1.2714 2. **Tool Life**: Typically 30-50% longer in demanding applications 3. **Reduced Failure Risk**: Lower probability of catastrophic failure 4. **Maintenance Costs**: Extended intervals between repairs and maintenance 5. **Productivity Impact**: Reduced downtime for tool replacement 6. **Total Cost of Ownership**: Often lower despite higher initial investment --- ### **Technical Support & Premium Services** Latrobe provides comprehensive technical support for LSS™ 2714T: - **Application Engineering**: Expert consultation for critical applications - **Heat Treatment Development**: Custom protocols for specific requirements - **Performance Testing**: Laboratory testing and validation services - **Failure Analysis**: Premium metallurgical investigation capabilities - **Training Programs**: Specialized workshops on through-hardening steels - **Field Support**: On-site technical assistance for critical applications --- **Select Latrobe LSS™ 2714T Hot Work Tool Steel** for applications where extreme toughness, superior through-hardening, and exceptional impact resistance are non-negotiable requirements. This enhanced through-hardening variant of classic 1.2714 technology delivers performance that exceeds conventional standards, providing the reliability and durability needed for the most demanding industrial applications. Whether for heavy hammer forging, critical aerospace component manufacturing, or specialized tooling where failure is not an option, LSS™ 2714T provides the material foundation for success in extreme service conditions. When conventional materials reach their limitations and performance requirements demand exceptional toughness combined with good wear resistance, LSS™ 2714T represents the intelligent investment in premium tooling materials that delivers measurable returns through extended service life, reduced downtime, and enhanced operational reliability. -:- For detailed product information, please contact sales. -: Latrobe LSS™ 2714T Hot Work Tool Steel (DIN 1.2714 mod) Specification Dimensions Size： Diameter 20-1000 mm Length <7182 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 LSS™ 2714T Hot Work Tool Steel (DIN 1.2714 mod) Properties -:- For detailed product information, please contact sales. -:

Applications of Latrobe LSS™ 2714T Hot Work Tool Steel Tube (DIN 1.2714 mod) -:- For detailed product information, please contact sales. -: Chemical Identifiers Latrobe LSS™ 2714T Hot Work Tool Steel Tube (DIN 1.2714 mod) -:- For detailed product information, please contact sales. -:

Packing of Latrobe LSS™ 2714T Hot Work Tool Steel Tube (DIN 1.2714 mod) -:- 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 Tube 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 3653 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