Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of hot rolled steel skh51 high speed tool steel bar in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.
Hot Rolled Steel SKH51 High Speed Tool Steel Bar
Material
SKH51 high-speed tool steel, a widely recognized and trusted material in the industry. It is known for its excellent combination of hardness, wear resistance, and heat resistance, making it suitable for a variety of demanding applications.
Superior Performance
High Hardness: SKH51 steel bar has a high hardness level, typically ranging from HRC 63-66 after heat treatment. This high hardness enables it to maintain its cutting edge and shape even under high-pressure and high-temperature working conditions, making it ideal for manufacturing cutting tools that require precision and durability.
Excellent Wear Resistance: The material is designed to resist wear and tear, ensuring a long service life of the tools and components made from it. This reduces the frequency of tool replacement, saving both time and costs for our customers.
Good Heat Resistance: It can withstand high temperatures during operation without losing its mechanical properties. This heat resistance is crucial in applications where the steel bar is exposed to elevated temperatures, such as in high-speed machining processes.
High Toughness: Despite its high hardness, SKH51 steel also offers good toughness, which helps to prevent cracking and breaking under impact and shock loads. This makes it suitable for applications where the tool or component may be subjected to sudden forces or vibrations.
- Carbon: 0.78%
- Silicon: 0.38%
- Manganese: 0.30%
- Chromium: 4.10%
- Vanadium: 1.90%
- Tungsten: 5.00%
- Molybdenum: 6.40%
All of these elements work together to give M2 steel its desirable properties, such as high hardness, wear resistance, and toughness. Additionally, it is easy to machine and can be hardened with simple heat treatment processes.
| Item | C | Si | Mn | S | P | W | Mo | Cr | V |
| Min | 0.80 | 0.20 | 0.15 | 5.50 | 4.50 | 3.80 | 1.75 | ||
| Max | 0.90 | 0.45 | 0.40 | 0.015 | 0.030 | 6.75 | 5.50 | 4.40 | 2.20 |
Mechanical Property
|
Temperature ℃ |
Density g/cm3 |
Modulus of elasticity KN/mm2 |
Coefficient of thermal expansion |
Heat transfer coefficient W/m℃ |
Specific heat J/Kg℃ |
| 20 | 8.16 | 225 | 24 | 420 | |
| 400 | 8.06 | 200 | 1.21 x 10-6 | 28 | 510 |
| 600 | 8.00 | 180 | 1.26 x 10-6 | 27 | 600 |
Physical Property
| Tool Type | Tool Bits | Broach | Gear Cutting | Punch | Taps |
| Grain Size | 9-10 | 10-11 | 10-11 | 10-11 | 10-11 |
| Hardness | 65-66HRC | 64-65HRC | 64-65HRC | 64-65HRC | 64-65HRC |
Customization Options
We understand that different customers have different requirements for the size, shape, and surface finish of the steel bars. Therefore, we offer a wide range of customization options to meet your specific needs.
Size Range: We can produce steel bars in various diameters, ranging from small sizes for precision applications to large sizes for heavy-duty industrial use. Our standard size range includes diameters from 10mm to 200mm, but we can also produce non-standard sizes upon request.
Surface Finish: The surface finish of our steel bars can be customized to meet your requirements. We offer options such as hot-rolled surface, peeled surface, and polished surface, depending on the application and aesthetic needs.
Heat Treatment: We can provide heat treatment services according to your specific requirements, such as annealing, quenching, and tempering. Heat treatment can improve the mechanical properties of the steel bar, such as hardness, toughness, and wear resistance, to meet the needs of different applications.
Products application
M2 can be used for a variety of purposes: twist drills, taps, milling cutters, reamers, saw blades, broaches, roll-to-inserts, gear cutters and other gear cutters. In addition to cutting tools with red hardness requirements, they can also be used as cold work tool steels, such as die cutting, forming and embossing.
Why Choose Us?
For Factory Purchasers
Cost-Effective Solutions: We offer competitive prices without compromising on quality. Our large-scale production and efficient manufacturing processes allow us to keep our costs low, which we pass on to our customers in the form of affordable prices.
Reliable Supply: We have a stable supply chain and a large inventory of SKH51 steel bars, ensuring that we can meet your production needs even during peak demand periods. You can rely on us for a continuous and timely supply of high-quality steel bars.
Technical Support: Our team of technical experts is always available to provide you with technical support and advice. Whether you need help with product selection, application engineering, or problem-solving, we are here to assist you.
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