Description
CW-1 Grade Introduction:
CW-1 is a high-quality, USA AISI tool steel known for its excellent performance in severe conditions. It belongs to the W-Ta-Nb-Ti-Co class of carbide tool steels, and it has been widely accepted and utilized globally in various applications. Our CW-1 steel is available in multiple forms, including round bars, flat bars, forgings, fasteners, tubes, wires, strips, sheets, and plates. This grade is particularly suitable for high-precision auto-lathe processing and various special-shaped turning parts. We ensure rigorous packaging standards to prevent material damage during transportation and offer CW-1 steel in conditions such as quenched and tempered, annealed, and machined semi-finished products.
CW-1 Grade Application:
CW-1 steel is used in applications requiring high wear resistance and durability, including:
- Plastic injection molds and inserts
- Plastic injection and extrusion feed screws
- Non-return valve components
- Pelletizing equipment
- Nozzles and gate inserts
- Industrial knives, slitters, and cutters
- Wear-resistant specialty cutlery
- Wear components for food and chemical processing
- Bearings, bushings, valves, rolls
- Gear pumps
CW-1 Equivalent Grades:
- Material Standard: CW-12MW
- Country: USA
- AISI: American Iron and Steel Institute
Addition to Other Grades:
CW-1 can be compared or used alongside other grades such as MS, EN1A, EN3B, EN8, EN8D, EN9, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42CrMo4, HCHCR, D2, D3, H-11, H-13, OHNS, M2, M35, M42, P20, P20+S, ASTM SA-36, SAE1018, SAE4140, and more.
Our Supply Range:
Price List:
CW-1 Steel Products
CW-1 Chemical Composition:
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 6.7 |
| Silicon (Si) | – |
| Manganese (Mn) | – |
| Phosphorus (P) | – |
| Sulfur (S) | – |
| Chromium (Cr) | – |
| Nickel (Ni) | – |
| Molybdenum (Mo) | – |
| Aluminum (Al) | – |
| Tungsten (W) | 68.9 |
| Niobium (Nb) | 1.6 |
| Titanium (Ti) | 6.7 |
| Vanadium (V) | – |
| Tantalum (Ta) | 5.4 |
| Nitrogen (N) | – |
| Cobalt (Co) | 10.7 |
| Lead (Pb) | – |
| Boron (B) | – |
| Other | – |
CW-1 Mechanical Properties:
| Property | Value | Unit | Conditions |
|---|---|---|---|
| Density | 7.7-8.03 | ×1000 kg/m³ | 25°C |
| Poisson’s Ratio | 0.27-0.30 | – | 25°C |
| Elastic Modulus | 190-210 | GPa | 25°C |
| Tensile Strength | 1158 | MPa | Oil quenched, fine-grained, tempered at 425°C |
| Yield Strength | 1034 | MPa | – |
| Elongation | 15 | % | – |
| Reduction in Area | 53 | % | – |
| Hardness | 335 | HB | Oil quenched, fine-grained, tempered at 425°C |
CW-1 Hardness:
- Hardness: 335 HB
CW-1 Heat Treatment:
CW-1 Hardening:
Heat treatment should prevent decarburization. Preheat to 1500/1550°F (816/843°C), then heat to 1950-2150°F (1066-1175°C) for 20-30 minutes. For larger sections, fan air cooling or step quenching in oil or salt may be used.
CW-1 Tempering:
Tools should be tempered immediately after hardening. Double temper at 400-750°F (200-400°C) for a minimum of 2 hours each temper. For optimum stress relieving, double temper at 1025°F, but note potential corrosion resistance loss. A refrigeration treatment at -100°F between tempers can be used, followed by at least one temper. The typical hardness after tempering is 56-60 HRC.
CW-1 Physical Properties:
| Property | Value | Unit |
|---|---|---|
| Thermal Expansion | 16-17 | e-6/K |
| Thermal Conductivity | 16 | W/m·K |
| Specific Heat | 500 | J/kg·K |
| Melting Temperature | 1370-1400 | °C |
| Service Temperature | 0-500 | °C |
| Density | 8000 | kg/m³ |
| Resistivity | 0.7 | Ohm·mm²/m |
CW-1 Thermal Properties:
| Property | Value | Unit | Conditions |
|---|---|---|---|
| Thermal Conductivity | 42.7 | W/m·K | 100°C |
| Specific Heat | 477 | J/kg·K | 50-100°C |
CW-1 Forging Properties:
Heat to 2000/2100°F (1093/1149°C). Do not work below 1700°F (927°C). Reheat as necessary, cool slowly, and anneal immediately upon cooling.
CW-1 Stress Relieving:
- Annealed Parts: Heat to 1100-1300°F (593-705°C), hold for 2 hours, then cool in still air or furnace.
- Hardened Parts: Heat to 25-50°F (15-30°C) below original tempering temperature, hold for 2 hours, then cool in still air or furnace.
CW-1 Normalizing:
Not recommended.
CW-1 Annealing:
Heat to 1650°F (899°C), hold for 2 hours, and cool slowly at a rate of 25°F (14°C) per hour to 1000°F (538°C). Then cool to room temperature. Typical annealed hardness is 277 Brinell.
CW-1 Density:
- Density: 8000 kg/m³
CW-1 Machinability:
Machinability is between 35% and 40% of 1% carbon tool steel. CW-1 can be easily EDM’d with proper precautions to prevent and/or remove the “white layer.”
CW-1 Welding:
Welding is not typically recommended due to potential changes in mechanical properties and difficulty in achieving desired weld quality.
Supply Cities:
Mumbai Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai, Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi, Mangalore, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Tamil Nadu, Telangana, Visakhapatnam, Kochi, Kerala, Hubli-Dharwad, Karnataka, Ghaziabad Kolkata.
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