W6Mo5Cr4V2(M2) hot rolled steel round bars
Classification :
PRODUCT DETAILS
Product introduction
M2 is molybdenum series high-speed steel, has the advantages of small carbide inhomogeneity and high toughness. Easy to overheating, should strictly control the quenching heating temperature, the more strict protection for heat treatment. Because of its hardness and wearability, used in the manufacture of cutting more difficult to cutting tool materials. M2 high-speed steel with carbide orientation is bigger, so the more strict protection for heat treatment is suitable for the mold vibration and shock loads.
Technical data
Similar Grade
| Execution Standard | ZEICIN Grade | GB | AISI | JIS | DIN |
|---|---|---|---|---|---|
| GB/T9943-2008 | M2 | W6Mo5Cr4V2 | M2 | SKH51 | 1.3343 |
Chemical Composition of M2 Tool Steel Material
| ASTM A681 | C | Si | Mn | P | S | Cr | Mo | V | W |
| M2/ T11302 | 0.78~0.88 | 0.20~0.45 | 0.15~0.40 | 0.030 Max | 0.030 Max | 3.75~4.50 | 4.50~5.50 | 1.75~2.20 | 5.50~6.75 |
| DIN 17350 | C | Si | Mn | P | S | Cr | Mo | V | W |
| 1.3343/ S6-5-2 | 0.86~0.94 | ≤0.45 | ≤0.40 | 0.030 Max | 0.030 Max | 3.80~4.50 | 4.70~5.20 | 1.70~2.00 | 6.00~6.70 |
| GB/T 9943 | C | Si | Mn | P | S | Cr | Mo | V | W |
| W6Mo5Cr4V2 | 0.80~0.90 | 0.20~0.45 | 0.15~0.40 | 0.030 Max | 0.030 Max | 3.80~4.40 | 4.50~5.50 | 1.75~2.20 | 5.50~6.75 |
| JIS G4403 | C | Si | Mn | P | S | Cr | Mo | V | W |
| SKH51/SKH9 | 0.80~0.88 | ≤0.45 | ≤0.40 | 0.030 Max | 0.030 Max | 3.80~4.50 | 4.70~5.20 | 5.90~6.70 | 1.70~2.10 |
SAE M2 Tool Steel Material Mechanical Properties
Hardness, Rockwell C (tempered at 621°C, quenched at 1204°C): 62 HRC.
Hardness, Rockwell C (quenched at 1204°C) ): 65 HRC
Forged of M2 HSS Steel metal material
At first, Pre-Heating to 650-750℃,Then heat to forged temperature. Soak at 1204°C, ensure heat thorough. Then start forged, the forged temperature no low than 950℃. After forging, cool slowly.
Heat Treatment of SAE M2 Steel
- M2 HSS Steel Annealing
At first, Slowly heat to 871℃,then slowly Cool to 538℃(1000℉) in heat treatment furnace. Then cool in air. After annealing hardness HBS: 255 Max.
- M2 tool Steel Hardening
M2 steel having very high hardenability and should be hardened by cooling in still air. The use of a salt bath or controlled atmosphere furnace is desirable to minimize decarburization, and if not available, pack hardening in spent pitch coke is suggested.
- Quenching of HSS M2 Steel material
Quenching temperature / ℃ | salt bath furnace: 1204
Quenching temperature / ℃ | controlled atmosphere furnace: 1216
The heat preservation time/min: 5 ~ 15
Quenching medium: Oil cooling
Hardness: 65 HRc Min
- Tempering Of HSS M2 Tool Steel
Tempering temperature / ℃ : 540-564
After tempering hardness HRC or higher: 65 Min
Warehouse storage
Our company is a quality benchmark enterprise in Shandong Province, a national contract-abiding and credit-abiding enterprise, and a national, industry and group standard unit for "Colored Steel Plate for Building Decoration". We have many customers all over the world, and our products are exported to Asia, the Middle East, America, Europe, Africa and other countries, enjoying a good reputation at home and abroad. Up to now, we have also established long-term, win-win partnerships with a number of large steel mills.

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We are the first-level agent for Chinese state-owned enterprises Shanghai Baosteel and Taigang Iron and Steel Group. Our products can meet every unique requirement of our customers. We provide customized services. We can support customers with quality inspections if needed. We can provide competitive prices, good quality control, purchasing suggestions. Welcome to inquire and order!

Customer visit
Up to now, we have also established long-term, win-win partnerships with a number of large steel mills. We are the first-level agent for Chinese state-owned enterprises Shanghai Baosteel and Taigang Iron and Steel Group. Our products can meet every unique requirement of our customers. We provide customized services.

Application field
The main supply fields are: aerospace, national defense equipment, military weapons, chemical industry, shipbuilding, nuclear energy, trains, containers, environmental protection, precision machining, auto parts, machinery, electronic products, molds, medical treatment Equipment, construction, decoration, etc.

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