440C Stainless Steel Sheet 1.0mm x 610mm x 2000mm | 9Cr18Mo High-Hardness Knife Steel Plate
Price:
3850 USD/Ton
MOQ:
1 Tons
Delivery Time:
7 days
Brand:
Bao Steel
Product Description
440C Stainless Steel Sheet - Premium Knife Making Material
AISI 440C stainless steel delivers exceptional hardness, wear resistance, and corrosion protection for demanding industrial applications. This high-carbon martensitic steel achieves Rockwell C 60 hardness after proper heat treatment.
Material Specifications
Chemical Composition
| Standard | Grade | C | Mn | P | S | Si | Cr | Mo |
|---|---|---|---|---|---|---|---|---|
| ASTM A276 | S44004/440C | 0.95-1.20 | ≤1.00 | ≤0.04 | ≤0.03 | ≤1.00 | 16.0-18.0 | ≤0.75 |
| EN10088 | X105CrMo17/1.4125 | 0.95-1.20 | ≤1.00 | ≤0.04 | ≤0.03 | ≤1.00 | 16.0-18.0 | 0.40-0.80 |
| JIS G4303 | SUS 440C | 0.95-1.20 | ≤1.00 | ≤0.04 | ≤0.03 | ≤1.00 | 16.0-18.0 | ≤0.75 |
Mechanical Properties
| Tempering Temp (°C) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRC) |
|---|---|---|---|---|
| Annealed | 758 | 448 | 14 | 269HB max |
| 204 | 2030 | 1900 | 4 | 59 |
| 260 | 1960 | 1830 | 4 | 57 |
| 316 | 1860 | 1740 | 4 | 56 |
Key Performance Features
- Highest achievable hardness among stainless alloys (up to HRC 60)
- Excellent wear resistance for high-stress applications
- Good corrosion resistance in mild environments
- Superior strength and durability characteristics
- Machinable in annealed condition with proper tooling
Available Dimensions
Round Bar: Diameter 1mm-400mm
Plate/Sheet: 0.1-100mm thickness × 500-2000mm width × 1000-6000mm length
Custom Sizes: Coils, flat bars, and specialized dimensions available
Plate/Sheet: 0.1-100mm thickness × 500-2000mm width × 1000-6000mm length
Custom Sizes: Coils, flat bars, and specialized dimensions available
Processing Guidelines
Forging
Preheat to 760-820°C, then heat to 1050-1150°C. Do not forge below 900°C.
Heat Treatment
Annealing: 843-871°C followed by slow furnace cooling
Hardening: Heat to 1010°C followed by oil quenching
Tempering: Soak at 148°C to achieve Rockwell C 60 hardness
Hardening: Heat to 1010°C followed by oil quenching
Tempering: Soak at 148°C to achieve Rockwell C 60 hardness
Industrial Applications
- High-quality knife blades and cutlery
- Ball bearings and races
- Molds, dies, and tooling components
- Valve and pump parts
- Surgical and measuring instruments
- Wear-resistant textile machinery components
Professional Supply: Otai Steel provides reliable 440C stainless steel materials in various forms and custom sizes to meet your specific application requirements.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
Contact Person
Gao Ben