Sandvik,7C27Mo2 Strip Steel Tube,Pipe

Sandvik 7C27Mo2 Strip Steel Tube Product Information -:- For detailed product information, please contact sales. -: Sandvik 7C27Mo2 Strip Steel Tube Synonyms -:- For detailed product information, please contact sales. -:

Sandvik 7C27Mo2 Strip Steel Product Information -:- For detailed product information, please contact sales. -: # **Product Datasheet: Sandvik 7C27Mo2 Strip Steel** ## **1. Product Overview** Sandvik 7C27Mo2 is a high-performance, martensitic stainless strip steel engineered for applications requiring exceptional edge retention, corrosion resistance, and mechanical strength. This chromium-molybdenum alloy represents Sandvik's advanced metallurgical expertise in producing strip steel that bridges the gap between conventional stainless steels and high-carbon tool steels. It is particularly renowned in the cutlery and precision blade industry for its superior balance of properties. ## **2. Key Features & Benefits** - **Excellent Edge Retention:** The optimized carbon and chromium content, combined with fine carbide distribution, ensures outstanding cutting edge durability and sharpness retention. - **Enhanced Corrosion Resistance:** Superior to conventional high-carbon tool steels, providing adequate resistance to rust and staining in demanding environments. - **High Hardness & Wear Resistance:** Capable of achieving very high hardness levels (58-62 HRC) through proper heat treatment, ensuring excellent wear characteristics. - **Good Toughness:** The molybdenum addition improves toughness at high hardness levels, reducing brittleness and increasing durability. - **Consistent Microstructure:** Sandvik's proprietary manufacturing process ensures uniform carbide distribution and grain structure for predictable performance. - **Superior Polishability:** Can be finished to mirror-like surfaces, essential for high-end applications. ## **3. Chemical Composition (Typical Analysis)** Sandvik 7C27Mo2 is a martensitic stainless steel with precise alloying elements. The typical chemical composition is as follows: | Element | Carbon (C) | Chromium (Cr) | Molybdenum (Mo) | Silicon (Si) | Manganese (Mn) | Vanadium (V) | Phosphorus (P) | Sulfur (S) | |---------|------------|---------------|-----------------|--------------|----------------|--------------|----------------|------------| | **Content (%)** | 0.60 - 0.70 | 13.0 - 14.5 | 1.00 - 1.30 | ≤ 0.40 | ≤ 0.50 | 0.10 - 0.30 | ≤ 0.020 | ≤ 0.005 | *Note: The specific composition is proprietary to Sandvik Materials Technology and may include trace elements for enhanced performance.* ## **4. Physical & Mechanical Properties** ### **As-Delivered Condition (Annealed):** - **Hardness:** 180 - 220 HBW - **Tensile Strength (Rm):** 650 - 750 MPa - **Yield Strength (Rp0.2):** ≥ 500 MPa - **Elongation (A80):** ≥ 15% ### **After Hardening & Tempering:** - **Austenitizing Temperature:** 1050 - 1100°C (1922 - 2012°F) - **Quenching Medium:** Air or oil (dependent on section size) - **Tempering Range:** 150 - 300°C (302 - 572°F) - **Final Hardness:** 58 - 62 HRC (typical) - **Compressive Strength:** 2500 - 3000 MPa - **Impact Toughness:** 15 - 25 J (dependent on hardness level) ### **Physical Properties:** - **Density:** 7.7 g/cm³ - **Modulus of Elasticity:** 200 GPa - **Thermal Conductivity:** 25 W/m·K (at 20°C) - **Thermal Expansion Coefficient:** 10.5 × 10⁻⁶/K (20-100°C) ## **5. Standard Specifications & Dimensional Tolerances** Sandvik 7C27Mo2 is manufactured to meet stringent international and proprietary standards. ### **International Standards & Equivalent Grades:** - **UNS:** S42062 (modified) - **DIN EN 10088-3:** Similar to 1.4034 but with enhanced properties - **AISI/SAE:** Modified 420HC with molybdenum addition - **Proprietary Standard:** Sandvik's internal specification for premium cutlery steel ### **Common Available Forms:** - Precision cold-rolled strip in coils - Straight lengths and precision blanks - Polished or ground surfaces available ### **Typical Dimensions:** - **Thickness:** 0.8 mm to 5.0 mm (standard range) - **Width:** 10 mm to 300 mm (standard coils) - **Custom sizes available upon request** ### **Tolerances (to EN 10131):** - **Thickness:** ±0.02 mm to ±0.05 mm (depending on thickness) - **Width:** ±0.1 mm to ±0.3 mm - **Flatness:** ≤ 1 mm/m for standard quality - **Special tolerances available for precision applications** ## **6. Primary Applications** Sandvik 7C27Mo2 is specifically engineered for demanding cutting applications: - **Professional & High-End Cutlery:** Chef's knives, hunting knives, pocket knives, and culinary tools - **Industrial Blades:** Precision cutting blades for packaging, textiles, and converting industries - **Medical Instruments:** Surgical blades and instruments requiring sharpness retention and corrosion resistance - **Safety Razor Blades:** Premium shaving blades and cartridges - **Specialty Hand Tools:** Pruning shears, craft knives, and precision cutting tools - **Food Processing Equipment:** Blades and cutting components requiring hygiene and corrosion resistance ## **7. Processing & Heat Treatment Guidelines** ### **Machining in Annealed Condition:** - **Turning/Milling:** Use carbide tools with positive rake angles - **Drilling/Tapping:** Recommended for soft condition only; hardened material requires specialized tools - **Grinding:** Use appropriate grit sequence and coolant to avoid overheating ### **Recommended Heat Treatment Cycle:** 1. **Preheating:** 750-800°C (1382-1472°F) to minimize thermal stress 2. **Austenitizing:** 1050-1100°C (1922-2012°F) for 10-30 minutes (depending on section size) 3. **Quenching:** Air or oil quenching (oil recommended for sections > 3mm) 4. **Tempering:** 150-300°C (302-572°F) for 1-2 hours, double tempering recommended 5. **Deep Cooling:** Optional -70°C (-94°F) treatment between tempers for maximum transformation ### **Surface Finishing:** - Excellent response to polishing, grinding, and satin finishing - Suitable for PVD and CVD coatings for enhanced surface properties - Can be chemically etched for decorative patterns ## **8. Corrosion Resistance** - Superior to conventional tool steels but less than austenitic stainless steels - Resists corrosion from water, food acids, and mild chemical environments - Proper heat treatment and surface finish significantly enhance corrosion resistance - Not recommended for continuous exposure to harsh chemicals or marine environments without additional protection ## **9. Quality Assurance** - 100% ultrasonic testing available for internal integrity - Surface inspection to ensure defect-free material - Statistical process control for dimensional consistency - Traceability through complete production chain - Material certificates according to EN 10204 3.1 ## **10. Packaging & Handling** - Protective coating to prevent corrosion during storage and transport - Individual separation for polished surfaces - Humidity-controlled packaging available - Shelf life: Indefinite with proper storage in dry conditions ## **11. Disclaimer** This technical information is provided as a guideline based on typical properties and processing characteristics. Actual performance may vary depending on specific processing conditions, component design, and application requirements. Users should conduct appropriate testing to verify suitability for their specific application. Sandvik Materials Technology reserves the right to modify specifications without prior notice. For critical applications, consult Sandvik's technical support for material selection and processing recommendations. *For the most current technical data, processing guidelines, or specific application engineering support, please contact Sandvik Materials Technology directly or consult the official technical documentation.* --- **Revision:** 2.0 **Date:** January 2024 **Reference:** SMT-TD-7C27Mo2-EN -:- For detailed product information, please contact sales. -: Sandvik 7C27Mo2 Strip Steel Specification Dimensions Size： Diameter 20-1000 mm Length <7451 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. -: Sandvik 7C27Mo2 Strip Steel Properties -:- For detailed product information, please contact sales. -:

Applications of Sandvik 7C27Mo2 Strip Steel Tube -:- For detailed product information, please contact sales. -: Chemical Identifiers Sandvik 7C27Mo2 Strip Steel Tube -:- For detailed product information, please contact sales. -:

Packing of Sandvik 7C27Mo2 Strip Steel Tube -:- 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 3922 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