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Carpenter Micro-Melt® HS-30 Alloy

Category Metal , Ferrous Metal , Tool Steel
Manufacturer Carpenter Technology Corporation (Cartech)
Trade Name Micro-Melt®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Carpenter Micro-Melt® HS-30 Alloy.pdf
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Material Notes:
Micro-Melt® HS-30 alloy is an 8% cobalt, high hardenability tungsten-molybdenum alloyed high-speed steel exhibiting excellent hot hardness combined with good wear resistance and toughness. 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, gear cutting tools, lathe tools, punches and dies, form tools, broaches, reamers, cut-off tools, drills, tapsInformation provided by Carpenter Technology Corporation.Micro-Melt® is a registered trademark of Carpenter Technology Corporation.
Physical Properties Metric English Comments
Specific Gravity 8.23 g/cc
8.23 g/cc
Mechanical Properties Metric English Comments
Hardness, Rockwell C 58 - 60
58 - 60
Tempered at 1150°F
64 - 66
64 - 66
As quenched
Modulus of Elasticity 207 GPa
30000 ksi
Poissons Ratio 0.25
0.25
Calculated
Shear Modulus 82.8 GPa
12000 ksi
Thermal Properties Metric English Comments
CTE, linear 11.88 µm/m-°C

@Temperature 20.0 - 100 °C
6.600 µin/in-°F

@Temperature 68.0 - 212 °F
13.5 µm/m-°C

@Temperature 20.0 - 649 °C
7.50 µin/in-°F

@Temperature 68.0 - 1200 °F
Specific Heat Capacity 0.418 J/g-°C
0.100 BTU/lb-°F
Transformation Temperature 216 °C
421 °F
M<sub>S</sub>
835 °C
1540 °F
Ac<sub>1</sub>
Component Elements Properties Metric English Comments
Carbon, C 1.27 %
1.27 %
Chromium, Cr 4.2 %
4.2 %
Cobalt, Co 8.5 %
8.5 %
Iron, Fe 70.77 - 70.83 %
70.77 - 70.83 %
As Balance
Manganese, Mn 0.30 %
0.30 %
Molybdenum, Mo 5.0 %
5.0 %
Phosphorous, P <= 0.030 %
<= 0.030 %
Silicon, Si 0.55 %
0.55 %
Sulfur, S <= 0.030 %
<= 0.030 %
Tungsten, W 6.25 %
6.25 %
Vanadium, V 3.1 %
3.1 %
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