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M2
M2 Product Guide
Applications | Specifications | Mechanical and Chemical Data | Tolerances
Overview
The most popular tool steel for high-speed applications, it has excellent toughness and economic. Typically used in drills, taps, milling cutters, reamers, saws, and knives.
Common Trade Names
UNS T11302, AISI Type M2, Molybdenum High Speed Tool Steel, TRM-2
Other Resources
Weight Calculator | Mill Test Reports
Products
Applications
- Drills
- Industrial Tooling
- Blades
Specifications
ASTM | SAE |
|---|---|
| A681 | J437 |
| Physical Properties M2 | |||||
| Annealed | Hardened | ||||
|---|---|---|---|---|---|
| Density | 0.294 lb/in3 | 0.294 lb/in3 | |||
| Ultimate Tensile Strength | 110 ksi | 310 ksi | |||
| Shear Modulus | 11,000 ksi | 11,000 ksi | |||
| Hardness Rockwell | Brinell | B99 | 234 | C61-66 | 670-735 | |||
| Modulus of Elasticity | 29,000 ksi | 29,000 ksi | |||
| Poisson's Ratio | 0.29 | 0.29 | |||
| Machinability Percentage | 39% | N/A | |||
| Melting Point | 2,570-2,640 °F | 2,570-2,640 °F | |||
| Specific Heat | 1.1 x 10^-1 BTU/lb-°F | 1.1 x 10^-1 BTU/lb-°F | |||
| Thermal Conductivity | 336 BTU-in/hr-ft^2-°F | 336 BTU-in/hr-ft^2-°F | |||
| Electrical Conductivity | 7.1% IACS | 7.1% IACS | |||
|
Chemistry Information
|
|
Element |
Percentage |
| C | 0.85 max |
| Mn | 0.3 max |
| Si | 0.3 max |
| Cr | 4 max |
| V | 2 max |
| Mo | 5 max |
| W | 6 max |
| Fe | 81.55 |
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