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420 / 420J1 / 420J2 High Hardness Martensitic Steel Sheet For Industrial Cutting
| минимальный заказ: | 1 тонна |
| Цена: | Negotiated |
| Стандартная упаковка: | Стандартная мореходная упаковка экспорта или как покупательские спросы |
| Срок доставки: | Согласован |
| Способ оплаты: | Т/Т,Л/К,Вестерн Юнион |
| Емкость поставок: | 10000TONS |
Детальная информация
Место происхождения
Китай
Фирменное наименование
TISCO
Сертификация
Manufacture certificate
Номер модели
420 420Дж 420Дж2
Название продукта:
Горячекатаный лист из нержавеющей стали марки 420
Толщина:
3,0 мм~100 мм
Край:
Край разреза края мельницы
Ширина:
1250/1500/1800/2000 мм
Поверхность:
NO.1 или по мере необходимости
Длина:
2000/2438/6000 мм или по мере необходимости
Марка стали:
420 420J1 420J2
Приложения:
Лезвия ножей и режущие инструменты Детали промышленного оборудования
Выделить:
420J2 Martensitic Steel Sheet
,420J1 Martensitic Steel Sheet
,High Hardness Martensitic Steel Sheet
Описание продукта
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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