High Speed Steel 1.3343/M2
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1.Chemical Composition(%)
C | Si | Mn | W | P | S | Cr | Mo | V |
0.80-0.90 | 0.20-0.45 | 0.15-0.40 | 5.50-6.75 | ≤0.030 | ≤0.030 | 3.80-4.40 | 4.50-5.50 | 1.75-2.20 |
2. Available sizes :
Round Bar: 2mm ~ 260mm
Flat: thickness:0.6~ 250mm , width: 30~ 810mm
3 Annealed hardness :≤255HBS
4 Properties
• excellent compressive strength and wear resistance
• Resistance to plastic deformation
• Good toughness and thermoplasticity
5 Applications (M2 high speed steel)
M2 Is widely used for manufacture of metal-cutting tools, cold-forming
tools, such as cold extrusion rams and dies, as well as for cutting and precision cutting tools.
6 Technique
EF/ESR + forging+hot rolled +annealed
7 Process
Furnce material-melting-steel ingot-forging-forging billet-heating-rolling-slow cooling-collecting-annealing-finishing-inspection-package-warehousing
8 Delivery condition
Annealed + black/peeled/turned/grinding/polishing surface option, UT test accord with SEP1921-84 class c/c