ESR M7 1.3348 High Speed Tool Steel
GB: W2Mo9Cr4V2
AISI: M7
DIN: 1.3348
JIS: SKH58
Erasteel: EM7
Bohler: S400
M7 high speed steel is a type of tool steel known for its high toughness and wear resistance. It is composed of a combination of tungsten, molybdenum, and high levels of carbon and chromium. M7 steel has a Rockwell hardness of 62-63, making it ideal for cutting tools such as drills, saw blades, and milling cutters. It is also used in the production of parts that require high strength and durability, such as aerospace components and automobile transmissions.
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| SIMILAR STEEL GRADES | ||||||
National Standard | Manufacturer Standard | |||||
| GB | AISI | DIN | JIS | Erasteel | Bohler | Hitachi |
W2Mo9Cr4V2 | M7 | 1.3348 | SKH58 | EM7 | S400 | - |
| Chemical composition % | ||||||||||
C | Si | Mn | P ≤ | S ≤ | Cr | W | Mo | V | Co | etc. |
1.00 | 0.38 | 0.30 | 0.030 | 0.03 | 3.80 | 1.85 | 8.80 | 1.98 | - | |
| Characteristics | |||
Annealed Hardness HB | Heat Treatment Temperature ℃ | Tampering Hardness HRC | |
Hardening | Tempering | ||
255 | 1190-1220 | 550 | 64-66 |
| Application | |
| Supply Form | |
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