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Technical Specifications
Product Overview
Metallurgical Characteristics
M35 high-speed steel features a complex carbide structure with primary MC carbides (vanadium-rich) and secondary M6C carbides (molybdenum-tungsten rich) distributed in a martensitic matrix. The cobalt addition enhances red hardness and thermal stability, enabling sustained cutting performance at elevated temperatures up to 650°C.
Heat Treatment Process
MetalZenith employs controlled atmosphere hardening at 1210-1230°C followed by multiple tempering cycles at 540-580°C. This process optimizes secondary hardening through fine carbide precipitation while maintaining dimensional stability and minimizing residual stress.
Advanced Manufacturing Process
Our M35 production utilizes vacuum induction melting followed by electroslag remelting to ensure chemical homogeneity and eliminate inclusions. Controlled forging and rolling operations optimize carbide distribution and grain structure for superior mechanical properties.
Specialized Quality Testing
MetalZenith conducts comprehensive testing including forming performance evaluation under high-stress conditions, weldability assessment for tool repair applications, hydrogen-induced cracking resistance testing, and delayed fracture analysis to ensure reliability in critical high-strength applications.
Application-Specific Considerations
For automotive manufacturing, M35 provides exceptional wear resistance in stamping dies and cutting tools. In building construction and bridge engineering, it offers superior performance in drilling and cutting hardened structural steels. For lifting equipment and pressure vessel manufacturing, M35 maintains cutting edge integrity during extended machining operations on high-strength alloys.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.90 - 1.05 |
| Chromium (Cr) | 3.80 - 4.50 |
| Molybdenum (Mo) | 4.50 - 5.50 |
| Tungsten (W) | 5.50 - 6.75 |
| Vanadium (V) | 1.75 - 2.20 |
| Cobalt (Co) | 4.75 - 5.25 |
| Silicon (Si) | ≤ 0.45 |
| Manganese (Mn) | ≤ 0.40 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 2400 |
| Tensile Strength (MPa) | 2800 - 3200 |
| Elongation (%) | 8 - 12 |
| Impact Toughness (J) | 15 - 25 |
| Fatigue Strength (MPa) | 1200 - 1400 |
| Hardness (HRC) | 64 - 67 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 8.25 |
| Melting Point (°C) | 1480 - 1520 |
| Thermal Conductivity (W/m·K) | 24.5 |
| Thermal Expansion (×10??/K) | 10.8 |
| Elastic Modulus (GPa) | 230 |
| Red Hardness (°C) | 620 - 650 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Bars, Rods, Plates, Tool Blanks, Custom Shapes |
| Diameter Range | 3 - 200mm |
| Thickness Range | 5 - 80mm |
| Length Range | 100 - 6000mm |
| Standards Compliance | ASTM A600, DIN 1.3243, JIS SKH59 |
| Heat Treatment Condition | Annealed, Hardened & Tempered |
| Surface Finish | Ground, Turned, Polished |
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Our Advantages in Processing M35 Steel (HSS)
Advanced Powder Metallurgy Processing
MetalZenith utilizes state-of-the-art powder metallurgy and vacuum melting technology to achieve superior carbide distribution and eliminate segregation in M35 steel. Our controlled atmosphere processing ensures consistent microstructure and enhanced mechanical properties throughout the material cross-section.
Comprehensive High-Strength Testing
Our M35 steel undergoes extensive testing including forming performance evaluation, weldability assessment, hydrogen-induced cracking resistance testing, and delayed fracture analysis. These specialized tests ensure optimal performance in demanding high-strength applications and critical manufacturing processes.
Custom Heat Treatment & Machining Services
MetalZenith provides tailored heat treatment solutions and precision machining services for M35 steel, including custom hardening profiles, surface treatments, and finish machining to exact specifications. Our technical support team ensures optimal material performance for specific application requirements.
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