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.
Table of Content
- What is High Speed Steel M2 Round Bars
- Standard Specification For High Speed Steel M2 Round Bars
- High Speed Steel M2 Round Bars Equivalent Grades
- Chemical Composition of M2 High Speed Steel Round Bar
- Mechanical Properties of High Speed Steel M2 Round Bars
- Physical Properties Of High Speed Steel M2 Round Bars
- Searches Related to High Speed Steel M2 Round Bars
- High Speed Steel M2 Round Bars Applications
- Export Destinations for High Speed Steel M2 Round Bars
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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.
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 |
| MELTING POINT (°C) | 1425 |
| MELTING POINT (°F) | 2600 |
Searches Related to High Speed Steel M2 Round Bars
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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
Countries
Cities
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.
FAQs
What sizes are available in M2 high-speed steel round bars?
The sizes available in M2 high-speed steel round bars range in diameter from 2mm up to 100mm, and that range shifts depending on the specific grade ordered. Length varies from 100 mm on the short end to 10,000 mm for full-length bars. Surface finishes available are black, ground, turned bright, or machined proof, so the selection depends on whether the bar goes straight to a lathe or needs further finishing.
What is the difference between M2 and M42 high-speed steel?
M42 carries 7.75% to 8.75% cobalt in its composition, while M2 has none. That cobalt content pushes M42’s hardness to around 65.5 HRC after quenching, compared to 62 to 65 HRC for M2. M42 holds its cutting edge at higher temperatures, so it suits harder alloys and continuous high-speed cutting. M2’s machinability rate stands near 65% of a 1% carbon steel; M42 runs lower at 35 to 40%, mostly due to the added cobalt hardening the matrix.
Which industries use M2 high-speed steel round bars?
M2 bars are used for cutting manufacturing tools first, covering drills, hobs, reamers, taps, and milling cutters. Woodworking shops use the same grade for planer knives, saw blades, and router bits. Aerospace and automotive units draw on M2 for gears, spindles, and shafts. Sheet metal shops also pull it for shear blades and punching dies.
Do M2 high-speed steel round bars come with test certificates?
Every batch goes through testing before dispatch, covering hardness, dimensional accuracy, and material composition. Results get recorded and issued as certificates alongside the shipment. This lets buyers verify the grade and specification against ASTM A600 or the equivalent DIN and JIS standards before the material reaches the shop floor.
What standards are followed for M2 steel round bars?
M2 bars follow ASTM A600 and ASME SA600 as the primary standards. DIN EN ISO 4957 covers the equivalent grade 1.3343, and JIS G4403 covers SKH51 for buyers working to Japanese specifications. Dimensional tolerances draw from EN, DIN, JIS, ASTM, BS, ASME, and AISI norms, depending on what the client’s drawing calls for.
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