1.3244 Spray Forming High Speed Steel – Premium Tool Steel from FUSHUN SPECIAL STEEL
Steel Grade Introduction and Applications
1.3244 is a premium spray forming high speed steel grade that combines exceptional wear resistance with superior toughness. This tungsten-molybdenum high speed steel manufactured using advanced spray forming technology offers excellent performance for demanding cutting applications. The spray forming process creates a refined microstructure with uniform carbide distribution, resulting in enhanced tool performance and extended service life.
As a leading manufacturer, FUSHUN SPECIAL STEEL specializes in producing high-quality 1.3244 spray forming steel for precision cutting tools, forming dies, and high-performance machine components in aerospace, automotive, and manufacturing industries.
Spray Forming Process Advantages
Process Features:
- Rapid Solidification: Ultra-fast cooling creates fine microstructures
- Homogeneous Structure: Eliminates macro-segregation completely
- Near-Net Shape: Reduces material waste significantly
- Enhanced Properties: Superior mechanical performance
Performance Benefits:
- Superior Hardness: Enhanced cutting edge retention
- Excellent Toughness: Reduced tool breakage risk
- Uniform Carbides: Consistent particle distribution
- Extended Tool Life: Outstanding wear resistance
1.3244 Chemical Composition (wt%)
| Element | C | W | Mo | Cr | V | Co |
|---|---|---|---|---|---|---|
| 1.3244 | 1.25-1.35 | 5.1-5.6 | 5.4-5.7 | 4.3-4.5 | 2.9-3.2 | 4.7-4.9 |
Note: Chemical composition optimized for spray forming process to achieve superior microstructural uniformity
Physical Properties at Different Temperatures
| Property | 20°C | 400°C | 600°C |
|---|---|---|---|
| Density (kg/m³) | 8100 | 8000 | 8000 |
| Elastic Modulus (MPa) | 230,000 | 205,000 | 184,000 |
| Thermal Expansion (×10⁻⁴/°C) | – | 11.6 | 11.9 |
| Thermal Conductivity | 24 | 28 | 27 |
| Specific Heat (J/kg·°C) | 420 | 510 | 600 |
Heat Treatment Process
Softening Annealing
- Temperature: 860-900°C
- Hold time: 4 hours
- Cool to 600°C in furnace
- Hardness: ≤280HB
Stress Relief
- Temperature: 600-700°C
- Hold time: 4 hours
- Slow cooling
- After rough machining
Hardening
- Preheat: 400-500°C
- Austenitize: 1200-1220°C
- Quench in air/oil/salt
- Hardness: 64-66 HRC
Tempering
- Temperature: 550-570°C
- Multiple cycles (2-3x)
- Hold time: 1 hour each
- Air cooling
Recommended Heat Treatment for Different Tools:
| Tool Type | Hardening Temp (°C) | Tempering Temp (°C) |
|---|---|---|
| Single Point Tools | 1210 | 550-570 |
| Multi Point Tools | 1170-1210 | 550-570 |
| Dies | 1120-1170 | 550-570 |
Available Forms and Specifications
Coils & Strips
- Thickness: ⌀95-300mm
- Width: Custom slitting
- Precision tolerance control
- Surface finish options
Round Bars
- Diameter: ⌀8-95mm
- Length: up to 6000mm
- Ground or turned finish
- Straightness guaranteed
Plates & Flats
- Thickness: (3.5-20)×(16-65)mm
- Width: ⌀2.5-16.5mm
- Length: custom lengths
- Machined to specification
Special Shapes
- Squares: (50-300)×(10-300)mm
- Rectangles: (20-200)×(5-80)mm
- Custom profiles available
- Near-net-shape forming
Applications of 1.3244 Spray Forming Steel
Cutting Tools
Milling cutters, drill bits, taps, reamers, gear cutters
Knives & Blades
Industrial knives, steel cutting blades, shear blades
Forming Tools
Punches, dies, cold forming tools, extrusion dies
Wear Parts
Wear plates, high-temperature components
Spray Forming vs Conventional Steel Performance Comparison
| Property | Conventional HSS | Spray Forming HSS | Improvement |
|---|---|---|---|
| Hardness | 62-64 HRC | 64-66 HRC | +3-5% |
| Wear Resistance | Standard | Superior | +25-40% |
| Toughness | Good | Excellent | +15-30% |
| Red Hardness | 58-60 HRC@600°C | 60-62 HRC@600°C | +3-5% |
| Tool Life | Baseline | Extended | +30-50% |
Technical Advantages
Steel Properties:
- Excellent wear resistance: Superior carbide distribution
- High red hardness: Maintains performance at high temperatures
- Good machinability: Easier processing in annealed state
- Uniform structure: Consistent properties throughout
- High toughness: Reduced tool breakage
Manufacturing Benefits:
- Near-net shape: Minimal material waste
- Improved yield: Higher material utilization
- Better surface finish: Reduced finishing requirements
- Dimensional accuracy: Tighter tolerances achievable
- Cost effective: Reduced processing time
Quality Assurance & Certifications
ISO Certified
International quality standards compliance
Material Testing
Complete chemical & mechanical analysis
Traceability
Full material certificates provided
Technical Support
Expert guidance & application support
Important Notes & Recommendations
1. Material Selection: Choose appropriate material grade based on specific cutting requirements and application demands.
2. Machining: Use appropriate cutting parameters and coolants to improve tool life during machining operations.
3. Heat Treatment: Follow proper heat treatment procedures to achieve optimal hardness and maintain dimensional stability. Avoid overheating to prevent CBN formation.
4. Storage: Store in dry conditions to prevent corrosion and maintain surface quality.
About FUSHUN SPECIAL STEEL
FUSHUN SPECIAL STEEL is a leading manufacturer specializing in high-quality 1.3244 spray forming high speed steel production. With decades of experience in metallurgy and advanced manufacturing technologies, we provide superior steel products to customers worldwide. Our state-of-the-art spray forming technology ensures consistent quality and exceptional performance.
Our commitment to innovation and quality has made us a trusted partner for industries requiring premium tool steels. We continuously invest in research and development to improve our production processes and deliver products that exceed customer expectations.
State-of-the-art spray forming equipment
Worldwide shipping and distribution
Tailored products for specific applications
