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420 / 420J1 / 420J2 High Hardness Martensitic Steel Sheet For Industrial Cutting
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420 / 420J1 / 420J2 High Hardness Martensitic Steel Sheet For Industrial Cutting
| MOQ: | 1 tấn |
| Giá: | Negotiated |
| Bao bì tiêu chuẩn: | Đóng gói xuất khẩu đi biển tiêu chuẩn hoặc theo yêu cầu của khách hàng |
| Thời gian giao hàng: | Thương lượng |
| Phương thức thanh toán: | T/T, L/C, Western Union |
| năng lực cung cấp: | 10000 tấn |
Thông tin chi tiết
Nguồn gốc
Trung Quốc
Hàng hiệu
TISCO
Chứng nhận
Manufacture certificate
Số mô hình
420 420J 420J2
Tên sản phẩm:
Tấm thép không gỉ cán nóng 420
độ dày:
3.0mm~100mm
Bờ rìa:
Cạnh nghiền / Cạnh khe
Chiều rộng:
1250/1500/1800/2000mm
Bề mặt:
SỐ 1 hoặc theo yêu cầu
Chiều dài:
2000/2438/6000mm hoặc theo yêu cầu
Lớp thép:
420 420J1 420J2
Ứng dụng:
Lưỡi dao & dụng cụ cắt Phụ tùng máy công nghiệp
Làm nổi bật:
420J2 Martensitic Steel Sheet
,420J1 Martensitic Steel Sheet
,High Hardness Martensitic Steel Sheet
Mô tả sản phẩm
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 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 Comparison
| 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 |
Key Features
- 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
Typical Applications
- Knife blades & cutting tools
- Industrial machinery parts
- Surgical instruments
- Mold manufacturing
- Shafts, valves, and pump components
- Wear-resistant components
Heat Treatment
- Annealing: 750-850°C, slow cooling
- Hardening: 980-1050°C, oil or air quenching
- Tempering: 150-370°C depending on required hardness
Advantages Over Other Grades
- 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
Packaging & Delivery
- Export standard seaworthy packing
- Wooden pallet + waterproof protection
- Delivery time: 7-20 days
- Global shipping supported
Frequently Asked Questions
What is the difference between 420J1 and 420J2?
420J1 has lower carbon content, offering better corrosion resistance and ductility. 420J2 has higher carbon content, resulting in higher hardness and wear resistance.
Can 420 stainless steel be hardened?
Yes, 420 stainless steel can be heat treated to achieve high hardness (up to HRC 50+), making it ideal for cutting tools and blades.
Is 420 stainless steel corrosion resistant?
It has moderate corrosion resistance, suitable for general environments, but not as resistant as 304 or 316.
What industries use 420 stainless steel plates?
It is widely used in cutlery, medical tools, molds, machinery parts, and industrial components.
What surface finish is available for hot rolled plates?
Common finishes include black surface, annealed, and pickled surface.
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