Your Professional Tool Steel Supplier
Jiangsu Cunrui Metal Products Co., Ltd. was established on March 24, 2016. It is a modern enterprise specializing in the production and export of high-quality metal pipes.
Our company is a significant manufacturer of high-quality metal materials in China. Our product range includes stainless steel, carbon steel, alloy steel, silicon steel, etc., which are widely used in the medical, food, construction and other industries.
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M35 High Speed Tool SteelM35 High Speed Tool Steel is a tough, cobalt-boosted steel that keeps its edge, cuts well, and doesn't wear out easily, even when things get rough. It's like the souped-up version of regular
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SKD61 Tool SteelSKD61 is a type of steel that's good for tools that get really hot and then cool down a lot. It's made to meet JIS G4404 standards. It's strong at high temperatures, tough, and
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T1 High Speed Tool SteelT1 High Speed Tool Steel is a popular tungsten-based steel known for staying hard when hot and resisting wear and tear. It's great for cutting stuff without losing its edge, even at high temps.
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A2 Tool Steel BarChina A2 Tool Steel Bar Supplier for Precision Dies & Cold Work ToolsWhen selecting steel for precision tooling, dimensional stability after heat treatment is often more important than maximum
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A2 Tool Steel PlateA2 Tool Steel Plate is an air-hardening cold work tool steel that offers an excellent balance of toughness, wear resistance, and dimensional stability. Manufactured and supplied by Jiangsu Cunrui
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D2 Tool Steel BarD2 Tool Steel Bar is a high-carbon, high-chromium cold work tool steel widely known for its exceptional wear resistance and dimensional stability. As one of the most popular tool steels in the
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O1 Tool Steel BarO1 Tool Steel Bar is a high carbon, oil-hardening cold work tool steel widely recognized for its outstanding wear resistance, hardness, and dimensional stability. Supplied by Jiangsu Cunrui Metal
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H13 Tool Steel PlateH13 Tool Steel Plate supplied by Jiangsu Cunrui Metal Products Co., Ltd. is a premium-grade hot work tool steel widely recognized for its exceptional toughness, high wear resistance, and thermal
Parameter
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Parameter |
Specification |
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Standard |
ASTM A681, AISI A2, DIN 1.2363 |
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Material |
A2 Tool Steel (Chromium-Molybdenum Alloy) |
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Size Range |
Diameter: 20mm – 500mm / Length: up to 6000mm |
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Hardness (HRC) |
Annealed: 57–62 HRC (after heat treatment) |
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Tensile Strength |
1600–1900 MPa |
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Yield Strength |
≥ 1200 MPa |
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Surface Finish |
Black, peeled, ground, polished |
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Delivery Condition |
Annealed, pre-machined, or quenched & tempered |
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Packaging |
Bundles, wooden cases, export standard |
Benefits of Tool Steel

Enhanced Durability
One of the most significant benefits of hardened tool steel is its outstanding durability. The hardening process significantly increases the steel’s resistance to wear and tear, which is crucial in high-impact applications. For instance, tools made from hardened tool steel can endure repeated usage without significant degradation, making them ideal for heavy-duty manufacturing environments. This durability translates into longer tool life, which reduces the need for frequent replacements and ultimately lowers overall production costs. Manufacturers can operate with greater confidence, knowing their tools are built to last under demanding conditions.
Superior Hardness
Hardened tool steel exhibits superior hardness compared to many other materials used in manufacturing. This increased hardness is essential for applications such as cutting, shaping, and forming. The enhanced hardness allows manufacturers to create precise components with tight tolerances, which is crucial in sectors such as aerospace and automotive, where precision is non-negotiable. Additionally, the hardness contributes to maintaining the edge retention of cutting tools, which enhances overall productivity and reduces downtime caused by frequent sharpening or tool changes.


Excellent Thermal Stability
Hardened tool steel possesses excellent thermal stability, enabling tools made from this material to withstand high temperatures without losing their hardness or mechanical properties. This feature is particularly beneficial in processes that involve high-speed machining or when tools are subjected to thermal cycling. The ability to maintain performance under varying temperatures ensures consistency in manufacturing outputs and reduces the likelihood of tool failure, which can be catastrophic in high-stakes production environments.
Improved Safety
Utilizing hardened tool steel can enhance workplace safety significantly. Tools made from this material are less likely to break or deform under pressure, which reduces the risk of accidents in manufacturing environments. The reliability of hardened steel contributes to consistent performance, which is crucial for safe operations. In industries where safety is paramount, the use of high-quality materials like hardened steel can lead to fewer workplace injuries and enhanced compliance with safety regulations.

Water-hardening (W-series): Affordable, high-carbon steels that need water quenching. They lose hardness above 150°C, so they're best for simple tools without heat exposure.
Air-hardening (A-series): Quenched by air cooling, which means less distortion during heat treatment. A2 is common for woodworking tools, punches, and some injection mould components.
Oil-hardening (O-series): Known for stability and predictability. O1 is widely used for gauges, cutting tools, and forming dies.
Hot-work (H-series): Designed for high temperatures. H13 holds strength through repeated heating and cooling, making it a staple for die casting and high-volume injection moulding. These steels typically maintain their properties at temperatures up to around 540°C (1000°F).
Cold-work (D-series)
High chromium content (like D2 with ~12%) gives excellent wear resistance. Ideal for stamping, blanking, and forming tools where abrasion is the main challenge.
Plastic mould steels (P-series)
Pre-hardened grades like P20 machine easily and are great for moderate production runs in plastic injection moulding.
Shock-resistant (S-series)
Built for impact toughness. S7 can take repeated shock loads, making it a great choice for chisels, punches, and heavy-duty tools.
Composition of Tool Steel
Carbon: Essential for hardness and strength. Carbon content in tool steel composition can range from 0.5% to 1.5%.
Chromium: Improves hardenability and corrosion resistance. Chromium content can vary significantly, typically from 4% to 12%.
Vanadium: Enhances wear resistance and toughness. Vanadium content can be up to 1%.
Molybdenum: Improves strength at high temperatures and enhances hardenability. Molybdenum content is often between 0.2% to 1.5%.
Tungsten: Adds wear resistance and helps maintain hardness at high temperatures. The tungsten content can range from 1% to 20%.
Manganese: Contributes to toughness and hardenability. Manganese content typically ranges up to 2%.
Cobalt: Used in high-speed tool steel composition to maintain hardness under extreme temperatures.
Nickel: Adds toughness and helps resist impact and shock.
Ordering Process
6 Standardized and easy steps from getting a quote to shipment.
Get a Quote
Please request a quote through our website and inquire about customization options.
Request Sample
Please request samples in advance to gain a comprehensive understanding of the product's materials and features prior to placing bulk orders.
Place Your Order
Place an order of your choice after selecting your preferred shipping option.
Start Production
Production will commence after design approval; it takes about 3-4 weeks.
Quality Inspection
After production is complete, the products undergo quality testing.
Shipping
The order is ready for dispatch to your location. Once it has been shipped out, we will inform you of the tracking information.
Application of Tool Steel
Cutting Tools
Given their ability to maintain structural integrity at elevated temperatures, tool steels are commonly used in the production of drills, taps, and milling cutters.
Metalworking and Forging
Their high wear resistance is ideal for crafting dies, punches, and other specialized tooling.
Corrosive Environments
D-group steels, with their high chromium content, are frequently chosen for applications where materials face exposure to corrosive substances.
Impact Tools
The shock-resisting properties of shock resisting tool steels make them the go-to choice for tools that experience regular impact, such as hammers and certain power tool components.
Shipping
We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination.
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Shipping costs will be calculated based on the destination and weight of the package.
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Customers will receive a tracking number once the package has been shipped, so they can track the status of their delivery.
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We strive to ship all orders within 2 business days of receiving the payment.
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In case of any delays or issues with shipping, our customer service team will promptly communicate with the customer to resolve the problem.
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With our careful packaging and efficient shipping methods, you can trust that your products will arrive in perfect condition and on time.
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Certificate

FAQ
As one of the leading tool steel manufacturers in China, we warmly welcome you to buy cheap tool steel for sale here from our factory. All customized products are with high quality and competitive price. For pricelist and free sample, contact us now.
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