
8% Cobalt High Speed Steel M42 HSS Rod
Type:Plate/Round bar/Flat bar
Delivery condition: Annealed black surface/Turned bright surface
Introduction:
Welcome to our page! We are a leading manufacturer of high-quality cutting tools and materials, providing the best products and services to our customers worldwide. Our 8% Cobalt High-Speed Steel M42 HSS Rod is one of our signature products, featuring outstanding durability, excellent performance, and exceptional value.
In this article, we will discuss different aspects of our product and highlight its key features, benefits, and advantages. We will also provide insights into the production process and applications of 8% Cobalt High-Speed Steel M42 HSS Rod, making it easier for our merchants to understand and promote this product to their customers.
What is 8% Cobalt High-Speed Steel M42 HSS Rod?
8% cobalt high-speed steel M42 HSS rod is a type of steel alloy that contains high amounts of tungsten, molybdenum, cobalt, and other metals. It is known for its exceptional hardness, wear resistance, and heat resistance, making it ideal for cutting, drilling, and other metalworking applications.
The "M" in M42 stands for "molybdenum," which is an essential element that enhances the hardness, toughness, and resistance of the material. The "42" refers to the 1.5% carbon content and 10% cobalt content in the alloy, which provides an excellent combination of strength and flexibility.
Features and Benefits:
Our 8% Cobalt High-Speed Steel M42 HSS Rod offers numerous features and benefits that make it stand out from other products in the market. Here are some of the most notable ones:
1. Exceptional Hardness: With a Rockwell hardness of 67-69 HRC, our M42 HSS rod is one of the hardest materials available, providing excellent wear resistance and longer tool life.
2. High Heat Resistance: Our M42 HSS rod can withstand temperatures up to 1,100 degrees Celsius without losing its hardness or structure, making it ideal for high-speed machining and other tough applications.
3. Excellent Toughness: Despite its high hardness, our M42 HSS rod is still flexible and durable, allowing it to absorb shock and vibrations during cutting and drilling operations.
4. Precise Machining: Our M42 HSS rod is easy to machine and shape, providing clean and precise cuts without chipping or breaking.
5. Versatile: Our M42 HSS rod is suitable for cutting and drilling different materials, including stainless steel, cast iron, and other metals.
6. Cost-Effective: Our M42 HSS rod offers excellent value for its price, providing superior performance and durability compared to other materials.
Applications:
Our 8% Cobalt High-Speed Steel M42 HSS Rod can be used in a wide range of industries and applications, including:
1. Aerospace: Our M42 HSS rod is ideal for making high-precision parts and components used in the aerospace industry, such as turbine blades, engine parts, and landing gear.
2. Manufacturing: Our M42 HSS rod can be used for cutting and shaping different materials in the manufacturing industry, such as gears, bearings, and molds.
3. Medical: Our M42 HSS rod is suitable for making surgical instruments, dental tools, and other medical equipment that require high precision and durability.
4. Automotive: Our M42 HSS rod can be used for making parts and components used in the automotive industry, such as crankshafts, valves, and camshafts.
5. Construction: Our M42 HSS rod can be used for cutting and shaping different materials in the construction industry, such as steel beams, pipes, and plates.
Production Process:
Our 8% Cobalt High-Speed Steel M42 HSS Rod is manufactured using the latest technology and equipment, ensuring the highest quality and consistency. Here are the steps involved in the production process:
1. Melting: The raw materials, including tungsten, molybdenum, cobalt, and other metals, are melted in an electric furnace at high temperatures, forming a liquid alloy.
2. Casting: The molten alloy is poured into a mold and cooled down, forming a solid ingot.
3. Rolling: The ingot is heated and rolled into a long and narrow rod shape.
4. Annealing: The rod is annealed in a controlled environment to remove internal stress and improve its hardness and toughness.
5. Grinding: The rod is ground and polished to its final shape and dimensions.
Conclusion:
Our 8% Cobalt High-Speed Steel M42 HSS Rod is a premium product that offers exceptional quality, durability, and performance. With its outstanding features and benefits, our M42 HSS rod can provide excellent value to our merchants and their customers, helping them to achieve superior results in their metalworking applications. If you are interested in our product or have any questions, please feel free to contact us, and we will be happy to assist you.
Products Description
8% Cobalt High Speed Steel M42 HSS Rod

M42 Steel Feature
W2Mo9Cr4VCo8/M42 is excellent property and extra hard steel contains 9% cobalt.It has significant secondary hardening effect, red hardness and wear resistance.

M42 High Speed Steel Applications:
M42 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.
Products parameters
| Country | USA | German | Japan |
| Standard | ASTM A681 | DIN EN ISO 4957 | JIS G4403 |
| Grade | M35 | 1.3243 | SKH55 |
| Chemical Composition% |
| Brand | C | Si | Mn | P | S | Cr | W | Mo | V | Co |
| M42 | 1.05-1.15 | 0.15-0.65 | 0.15-0.40 | ≤0.02 | ≤0.015 | 3.50-4.25 | 1.15-1.85 | 9.00-10.00 | 0.95-1.35 |
7.75-8.75 |
| 1.3247 | 1.05-1.10 | 0.35-0.05 | 0.20-0.40 | ≤0.025 | ≤0.008 | 3.50-4.00 | 1.25-1.75 | 9.00-9.80 | 1.05-1.25 | 7.75-8.25 |
| Physical Property |
| Temperature ℃ | Density g/cm3 |
Modulus of elasticity KN/mm2 |
Coefficient of thermal expansion |
Heat transfer coefficient W/m℃ |
Specific heat J/kg℃ |
| 20 | 8.18 | 230 | 22 | 395 | |
| 400 | 8.10 | 215 | 1.18×10-6 | 27 | 485 |
| 600 | 8.03 | 201 | 1.95×10-6 | 25 | 525 |
Physical Property
|
Tool Bits |
Broach |
Gear cutter |
Pinch |
Taps,Saw |
|
Grain Size |
||||
|
9-10 |
10-11 |
10-11 |
10-11 |
10-11 |
|
Hardened Hardness (HRC) |
||||
|
68-69 |
67-68 |
67-68 |
67-68 |
67-68 |
|
AISI JIS DIN M42 SKH59 1.3247 Cold Rolled HSS Steel Round Bar
|
|
|
Surface
|
Black/Milled/Polished/Turned/Peeled/Cold Drawn
|
|
Heat Treatment
|
Annealing/Q+T
|
|
Technology
|
EAF+LF+VD+ESR
|
|
Test
|
Hardness and Microstructure Test
|
|
Hardness
|
≤269HB
|
Product Picture

Our factory

Steel Making

Ingot Production

Forged Bars
Machinary
Specification
Standard: BS EN ISO 4957, ASTM A600
Steel-making Process: EF/EAF+LF+VD, EF/EAF+ESR
Delivery condition: Cold Rolled+Annealed, Hot Rolled+Annealed.
Surface condition: Black, Smooth, Bright
Packing & Delivery

Packing & Delivery
2. 20' container load 28tons,length ≤5.8m
40' container load 28tons,length ≤11.8m
3. The other packing can be made based on the customer requirement;
Normally, we have four layers of packing: wooden pallets, hardboard, Kraft paper and plastic.
Our Service
1. We can provide the free sample for your inspection and check.
2. We can provide the personal customized service, such as adding your company's logo on the Products, the specified color and
so on.
3. If you come to China, we would like to show you around the factory.
4. If you have any questions, please contact us without hesitation.

Why choose us?
- Our team provides expert consultation and manufacturing of High Speed Steel Bars to ensure optimal results.
- The company conforms to the changes in the market environment, uses the characteristics and advantages of the 8% Cobalt High Speed Steel M42 HSS Rod industry, and focuses on responding to consumer trends in the Greater China region to make various efforts.
- We offer a wide range of High Speed Steel Bar products and services to meet diverse customer needs.
- Through communication and cooperation, we gradually adjust product performance according to customer needs to ensure absolute optimization of product quality.
- We offer fast and efficient delivery of high-quality High Speed Steel Bar products and services.
- We earnestly implement strict quality management to every link to ensure the high-quality level of products.
- Our factory offers customized manufacturing and supply of High Speed Steel Bars to meet specific requirements.
- Think about what customers think and what customers are anxious about. Your satisfaction is our greatest wish." Formulate and implement strict business policies, and provide annual commendations and rewards to sales elites to promote continuous improvement and progress in sales and create efficient sales team.
- We're committed to using the best materials and state-of-the-art technology to manufacture High Speed Steel Bars.
- Our company has a strict quality control system to ensure that the products sold can be used with confidence. We strive for survival by quality, develop by quality, keep up with the trend of the international industry, thus contributing to the development of the 8% Cobalt High Speed Steel M42 HSS Rod industry.
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