About M2 High Speed Steel Flat Bars

MI Alloys India LLP is a globally acclaimed company for manufacturing and exporting high-grade products like M2  High-Speed Steel Flat Bars at the market-leading price range. M2 High-Speed Steel is nothing but tungsten-molybdenum tool steel. This metal is characterized by better toughness, well-balanced wear resistance, and red hardness.

What is m2 steel & bars?

M2 High-Speed Steel Flat Bars are composed using a medium alloyed high-speed steel which exhibits improved machinability. This alloy is an all-around performer with good formability and is superior to the high alloyed cold work steels. In addition, m2 tool steel properties exhibit improved corrosion resistance compared to M2 Steel Round Bar and can be used in cutting tools. Some standard features of these flat bar products include more excellent tensile and yield strength, higher flexibility, toughness, and many more. In addition, these flat bars exhibit good stress corrosion cracking resistance (SSC) and are immune to general corrosion.

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M2 High Speed Steel Flat Bars

At IMI Alloys India LLP, our valued customers get the opportunity to purchase these bar products to reduce their material costs without compromising the quality and precision of products. M2 High Speed Steel Flat Bars has largely replaced T1 in most applications as they provide several outstanding and superior properties at advantageous pricing. This is a medium-alloyed material and thus can be used in many varying conditions. Applications of these flat bars are found in a broad range of industrial and general applications. M2 High Speed Steel Flat Bars are also well-suited for cold work applications.If you’re looking for top-quality high-speed steel M2 flat bars, you’ll find a reliable supplier right here. Additionally, our products extend to high-speed steel T1 flat bars and high-speed steel T4 flat bars, ensuring a diverse range to cater to your specific needs. At IMI Alloys India LLP, we take pride in being your go-to stockist and supplier for all things high-speed steel flat bars.

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Flat bars produced by using an alloy of high speed steel are very useful in assign shape designs to tools. They are also used for commercial purposes of forming devices. They are used in manufacturing ladder hangers, duct work, heaters and bracing, gate latches, support braces, overhead doors, etc. With the square edged surface, they are easy for processes like fabrication and forming. They are hot rolled and polished as the end processes before dispatching them to the clients. Their shear strength is greater than other alloys.
Flat Bars

Specifications of High Speed Steel M2 Flat Bars

  • Standard : ASTM A600, ASME SA600
  • Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
  • Form : Flat
  • Thickness : 2-20mm x width 10-100mm
  • 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 Flat 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 Flat 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 Flat 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 Flat 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

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Applications For High Speed Steel M2 Flat 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 Flat Bars


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, 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, 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, Iran, Yemen, Estonia, Sri Lanka, Australia, Malaysia, Egypt, China, Namibia, Colombia, Bahrain, Mexico, South Africa, Nepal, Libya, Ecuador, New Zealand, Hungary, Germany, Afghanistan, Puerto Rico, Netherlands, Turkey.


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, 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, Hanoi, Baroda, Milan, 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.

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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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