About M2 High Speed Steel Round Bars

M2 high speed steel round bars have international standards. Their diameter is approximately from 10mm to 300 mm. The grades that we prefer in our company are AISI M2 (DIN -1.3343) and so on. They belong to the group of tungsten molybdenum alloy. The uses of M2 high speed steel round bars are in the making of cold cutting tools, woodworking tools, etc. The actual purpose of these high steel round bars is to attach the parts of pipes from the middle. Such connections need to be very tight and firm. They can also be used in pressure valves as the plug-in for resisting pressure. They have the feature of double leak proof. These bars are manufactured with high-quality materials that offer top-notch specifications and properties.

The density of these M2 high speed steel round bars is quite high, and the attribute of specific gravity point is 8.14. Their best attribute is that they are machinable up to 50% to 60%. They have great elasticity capacity. These bars are used in cutting tools manufacturing as well as for cold working usages. Their diameters are accurate, which makes them fit to assemble in any graded machine.

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We have manufactured the products based on global standards and industrial formats. Our bars are essentially used at the pipes and critical applications. With the help of the generous technical support of our qualified employees, we manufacture these M2 High Speed Steel Round Bars with utmost care for the quality of the product. We never compromise about the quality and characteristics and only offer quality products with high strengths. Offer high-tech functions of bars that work flexibly and durably with the client’s applications.

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Therefore, they have great finishing with the best grade. After completing the manufacturing process, we take care of the testing phase. We check all aspects of the M2 High Speed Steel Round Bars, and after finalizing all tests, we proceed with the dispatching processes. Providing the quality M2 High Speed Steel Round Bars helps us maintain our high place on the international platform. These are the best products available in the market with all possible ranges of specifications.

How to use HSS M2 round bar weight calculator?

You need to know the diameter and length of the bar you wish to determine the weight of in order to utilise an HSS M2 round bar weight calculator. Both of these dimensions will normally have input areas on the calculator. Simply click the “calculate” button to obtain the bar’s weight after entering the bar’s diameter and length. You may also select the unit of measurement for the diameter and length on some calculators (e.g. inches, millimetres). Given that the density of the M2 round bar can differ based on the manufacturer and supplier, the calculator may additionally let you select the material’s density. Once you have entered all the necessary data, the calculator will give you the weight of the bar in the desired unit of measurement (e.g. pounds, kilograms).

What are industrial uses of M2 hss rod?

M2 high-speed steel (HSS) rods are used in a wide range of industrial applications due to their exceptional wear resistance, hardness, and high heat resistance. Some common industrial uses of M2 HSS rods include cutting tools such as drills, taps, milling cutters, and reamers. M2 HSS rods are also used to make punching and stamping die, and measuring tools such as micrometres, gauge blocks, and dial indicators. They are also used to make shear blades for cutting sheet metal and other materials, cold work tools such as punches, chisels, cold-heading die, and broaching tools for cutting gears, keyways, and other internal profiles. M2 HSS rods are also used to make woodworking tools such as planer knives, saw blades, and router bits, and in other industrial applications such as in the aerospace and automotive industries for gears, spindles, and shafts.

Round Bar

Specifications of High Speed Steel M2 Round Bars

  • Standard : ASTM A600, ASME SA600
  • Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
  • Form : Round
  • Diameter : 2mm to 100mm depending on grades
  • Length : 100 mm to 10,000 mm
  • Surface Condition : Black, Grinded, Turned Bright, Machined Proof
  • Application : Lathe Tools, Milling Cutter, Cutter Blades, Boring Tools, Twist drills, Milling Knives, Reamers, Taps, Metalcutting saws, Screw Cutting Tools, File Cutter’s Chissels, Drills, Hobs, Drill Bits, Tread cutting tools etc

Equivalent Grades of High Speed Steel M2 Round Bars

Country USA German Japan
Standard ASTM A600 DIN EN ISO 4957 JIS G4403
Grades M2 1.3343 SKH51

Chemical Composition of M2 High Speed Steel Round Bar

ASTM A600 C Mn P S Si Cr V Mo W
M2 regular C 0.78 0.88 0.15 0.40 0.03 0.03 0.20 0.45 3.75 4.50 1.75 2.20 4.50 5.50 5.50 6.75
DIN ISO 4957 C Mn P S Si Cr V Mo W
1.3343 0.86 0.94 0.45 3.80 4.50 1.70 2.10 4.70 5.20 5.90 6.70
JIS G4403 C Mn P S Si Cr V Mo W
SKH51 0.80 0.88 0.40 0.03 0.03 0.45 3.80 4.50 1.70 2.10 4.70 5.20 5.90 6.70

Mechanical Properties of High Speed Steel M2 Round Bars

Density 0.294 lb/in3 (8138 kg/m3)
Specific Gravity 8.15
Modulus of Elasticity 0.294 lb/in3 (8138 kg/m3)
Thermal conductivity 24 Btu/ft/hr/°F 41.5 W/m/°K
Machinability 65% of a 1% carbon steel
Mechanical properties Metric Imperial
Hardness, Rockwell C (tempered at 1150°F, quenched at 2200°F) 62 62
Hardness, Rockwell C (as hardened, quenched at 2200°F) 65 65
Compressive yield strength (when tempered at 300°F) 3250 MPa 471000 psi
Izod impact unnotched (when tempered at 300°F) 67 J 49.4 ft-lb
Abrasion (loss in mm3, as-hardened; ASTM G65) 25.8 25.8
Abrasion (loss in mm3, tempered at 1275°F; ASTM G65) 77.7 77.7
Poisson’s ratio 0.27-0.30 0.27-0.30
Elastic modulus 190-210 GPa 27557-30458 ksi

Thermal Properties of High Speed Steel M2 Round Bars

Thermal properties Metric Imperial
CTE, linear (@20.0 – 100°C/ 68.0 – 212°F) 10 μm/m°C 5.56 μin/in°F
CTE, linear (@20.0 – 500°C/68.0 – 932°F) 12.2 μm/m°C 6.78 μin/in°F
CTE, linear (@20.0 – 850°C/68.0 – 1560°F) 12.6 μm/m°C 7 μin/in°F

Physical Properties Of High Speed Steel M2 Round Bars

DENSITY (G/CM 3) 8.08
DENSITY (LB/IN 3) 0.292

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Applications For High Speed Steel M2 Round Bars


Generally, high speed steels are used for machining at high speeds. HSS M2 steel materials are widely used for:

  • Broaches
  • Drills
  • Hobs
  • Knurling Tools
  • Lathe Tools
  • Milling Cutters
  • Nut Piercers
  • Planer Tools
  • Reamers
  • Shaving Tools
  • Taps
  • Thread Cutting Tools

Export Destinations for High Speed Steel M2 Round Bars


Germany, Afghanistan, Puerto Rico, Netherlands, Turkey, Bolivia, Oman, Kuwait, Tibet, Zimbabwe, United Kingdom, Vietnam, Costa Rica, Mexico, South Korea, India, Lebanon, Iran, Japan, Philippines, Indonesia, Denmark, Bangladesh, Nigeria, Taiwan, Nigeria, Iraq, United Arab Emirates, Thailand, Croatia, Brazil, Macau, Morocco, Belarus, Poland, Angola, Ukraine, Slovakia, Russia, Israel, Sweden, Chile, Kenya, Kazakhstan, Italy, France, Trinidad & Tobago, Czech Republic, Azerbaijan, Qatar, Singapore, Tunisia, Venezuela, Pakistan, Saudi Arabia, Serbia, Lithuania, Jordan, Iran, Yemen, Estonia, Sri Lanka, Australia, Malaysia, Egypt, China, Namibia, Colombia, Bahrain, Mexico, South Africa, Nepal, Libya, Ecuador, New Zealand, Hungary, Mongolia, Norway, Greece, Gambia, Poland, Finland, Ireland, Hong Kong, Chile, Argentina, Switzerland, Spain, Peru, Belgium, Gabon, Algeria, Bhutan, Austria, Canada, Romania, Portugal, United States, Ghana, Bulgaria.


Moscow, Faridabad, Bogota, Jakarta, Muscat, Thane, Pune, Navi Mumbai, Ulsan, Port-of-Spain, Riyadh, Dubai, Jeddah, Indore, Kanpur, Ahvaz, Howrah, Hong Kong, Jaipur, Seoul, Bengaluru, Nagpur, Vung Tau, Perth, Chandigarh, Manama, Noida, Karachi, Secunderabad, Thiruvananthapuram, Busan, Los Angeles, Geoje-si, Brisbane, Dallas, Mexico City, Sharjah, Lagos, Bhopal, Edmonton, Cairo, Montreal, Ludhiana, Istanbul, Rajkot, Chiyoda, Toronto, Vadodara, Courbevoie, Algiers, Gimhae-si, Al Khobar, Dammam, Kolkata, Atyrau, Haryana, Ankara, Ernakulam, Ranchi, Calgary, Tehran, London, Kuwait City, Surat, Caracas, Nashik, Jamshedpur, Kuala Lumpur, Bangkok, Sydney, Aberdeen, Hyderabad, Doha, New York, Petaling Jaya, Ahmedabad, Visakhapatnam, Mumbai, Singapore, Hanoi, Baroda, Milan, Madrid, Santiago, Pimpri-Chinchwad, Houston, La Victoria, Coimbatore, Al Jubail, Melbourne, New Delhi, Ho Chi Minh City, Rio de Janeiro, Colombo, Gurgaon, Chennai, Granada, Abu Dhabi.

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IMI ALLOYS INDIA LLP is a notable manufacturer, supplier, stockist, and exporter of bars – round bars, square bars, flat bars, etc. in various materials like Tool Steel, Alloy Steel, and High-Speed Steel in Mumbai, India. We are authorized dealers of Graphite India Limited (POWMEX STEELS DIVISION) and also the only authenticated stockist of Nachi Fujikoshi Corp in India for their High-Speed Steel, Powder Metallurgy, Tool Steel, and Alloy Steel Products.
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