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Carpenter Micro-Melt® HS-76 Alloy (AISI M48)

Category Metal , Ferrous Metal , Tool Steel
Manufacturer Carpenter Technology Corporation (Cartech)
Trade Name Micro-Melt®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Carpenter Micro-Melt® HS-76 Alloy (AISI M48).pdf
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Material Notes:
Micro-Melt® HS-76 alloy is a super high speed steel possessing abrasion resistance equal to T15 and superior red hardness to T15 and M42. It is heat treatable to HRC 70 and is a good candidate for special purpose cutting tools where the ASTM M40 series high speed steels are inadequate. The advantages of Micro-Melt premium powder high speed steels include ease of grinding, response to heat treatment, more uniform structure, greater wear resistance and improved toughness. In addition, Carpenter's unique hot rolling and rotary forging capabilities impart minimal distortion characteristics to these alloys.Applications: Milling cutters, End mills, Cutting tool inserts, Extrusion die inserts, Lathe tools, Form tools, Broaches, Reamers, Cut-off toolsInformation provided by Carpenter Technology Corporation.Micro-Melt® is a registered trademark of Carpenter Technology Corporation.
Physical Properties Metric English Comments
Specific Gravity 8.26 g/cc
8.26 g/cc
Mechanical Properties Metric English Comments
Hardness, Rockwell C 57 - 59
57 - 59
Tempered at 1200°F
64 - 66
64 - 66
As quenched
Modulus of Elasticity 214 GPa
31000 ksi
Thermal Properties Metric English Comments
Transformation Temperature 99.0 °C
210 °F
M<sub>S</sub>
835 °C
1540 °F
Ac<sub>1</sub>
Component Elements Properties Metric English Comments
Carbon, C 1.55 %
1.55 %
Chromium, Cr 4.0 %
4.0 %
Cobalt, Co 9.0 %
9.0 %
Iron, Fe 66.44 - 66.5 %
66.44 - 66.5 %
As Balance
Manganese, Mn 0.20 %
0.20 %
Molybdenum, Mo 5.25 %
5.25 %
Phosphorous, P <= 0.030 %
<= 0.030 %
Silicon, Si 0.40 %
0.40 %
Sulfur, S <= 0.030 %
<= 0.030 %
Tungsten, W 10 %
10 %
Vanadium, V 3.1 %
3.1 %
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