420 / 420J1 / 420J2 High Hardness Martensitic Steel Sheet For Industrial Cutting
Product Details
| Product Name: | Hot Rolled Grade 420 Stainless Steel Sheet | Thickness: | 3.0mm~100mm |
|---|---|---|---|
| Edge: | Mill Edge/ Slit Edge | Width: | 1250/1500/1800/2000mm |
| Surface: | No.1 Or As Required | Length: | 2000/ 2438/ 6000mm Or As Required |
| Steel Grade: | 420 420J1 420J2 | Applications: | Knife Blades & Cutting Tools Industrial Machinery Parts |
| Highlight |
420J2 Martensitic Steel Sheet,420J1 Martensitic Steel Sheet,High Hardness Martensitic Steel Sheet |
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Product Description
420 series hot rolled stainless steel plates, including 420, 420J1 and 420J2, are martensitic stainless steels known for their excellent hardness, wear resistance, and moderate corrosion resistance after heat treatment. These grades are widely used in applications requiring high strength and edge retention, making them ideal for industrial tools, blades, and mechanical components.
| Grade | Carbon Content | Hardness | Corrosion Resistance | Main Features |
|---|---|---|---|---|
| 420 | Medium | High | Good | General-purpose martensitic steel |
| 420J1 | Lower | Medium | Better | Higher corrosion resistance, softer |
| 420J2 | Higher | Higher | Slightly lower | Better hardness & wear resistance |
- Excellent hardness after quenching (up to HRC 50+)
- Good wear resistance for long service life
- Moderate corrosion resistance
- Good machinability in annealed condition
- Suitable for heat treatment (quenching & tempering)
- Cost-effective compared to high alloy stainless steels
- Knife blades & cutting tools
- Industrial machinery parts
- Surgical instruments
- Mold manufacturing
- Shafts, valves, and pump components
- Wear-resistant components
- Annealing: 750-850°C, slow cooling
- Hardening: 980-1050°C, oil or air quenching
- Tempering: 150-370°C depending on required hardness
- Higher hardness than 304 / 316 stainless steel
- Better wear resistance than austenitic grades
- Lower cost compared to high alloy tool steels
- Flexible options (420J1 vs 420J2) for different applications
- Export standard seaworthy packing
- Wooden pallet + waterproof protection
- Delivery time: 7-20 days
- Global shipping supported
Product Highlights
420 / 420J1 / 420J2 High Hardness Martensitic Steel Sheet For Industrial Cutting Product Overview 420 series hot rolled stainless steel plates, including 420, 420J1 and 420J2, are martensitic stainless steels known for their excellent hardness, wear resistance, and moderate corrosion resistance ...
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