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Latrobe DuraTechâ„¢ T15 Powder Metal High Speed Steel (ASTM T15)

Category Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel , Tool Steel
Manufacturer Latrobe Steel
Trade Name DuraTech™
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe DuraTechâ„¢ T15 Powder Metal High Speed Steel (ASTM T15).pdf
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Material Notes:
DuraTech T15 powder metallurgy high speed steel is cobalt-bearing super high speed steel which can be heat treated to a hardness as high as 67 Rockwell C. A high volume of hard vanadium carbides provides very high wear resistance. The cobalt content provides excellent resistance to softening at high service temperatures (red or hot hardness). These properties translate into extended retention of hard, sharp cutting edges on tools produced from DuraTech T15. Because of the powder metal (PM) manufacturing, DuraTech T15 is far easier to grind and exhibits impact toughness that is more than double that of traditional, ingot-cast T15 high speed steel. Typical tooling applications in which DuraTech T15 excels include high-performance broaches, form tools, milling cutters, end mills, taps, and reamers. DuraTech T15 is the high speed steel of choice for any cutting application on strong or abrasive materials that generate high cutting tool temperatures.Information Provided by Timken Latrobe Steel.Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Physical Properties Metric English Comments
Specific Gravity 8.19 g/cc
8.19 g/cc
Density 8.19 g/cc
0.296 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 64
64
Oil Quenched from 1232°C, 5 minutes
65.0
65.0
Oil Quenched from 1219°C, 5 minutes
66.5
66.5
Oil Quenched from 1177°C, 5 minutes
Modulus of Elasticity 207 GPa
30000 ksi
207 GPa
30000 ksi
Machinability 35 - 40 %
35 - 40 %
1% Carbon Steel
Thermal Properties Metric English Comments
CTE, linear 10.6 µm/m-°C

@Temperature 21.0 - 204 °C
5.89 µin/in-°F

@Temperature 69.8 - 399 °F
12.11 µm/m-°C

@Temperature 21.0 - 649 °C
6.728 µin/in-°F

@Temperature 69.8 - 1200 °F
Component Elements Properties Metric English Comments
Carbon, C 1.6 %
1.6 %
Chromium, Cr 4.25 %
4.25 %
Cobalt, Co 5.0 %
5.0 %
Iron, Fe 70.55 %
70.55 %
Manganese, Mn 0.30 %
0.30 %
Molybdenum, Mo 0.75 %
0.75 %
Silicon, Si 0.30 %
0.30 %
Tungsten, W 12.25 %
12.25 %
Vanadium, V 5.0 %
5.0 %
Chemical Properties Metric English Comments
Critical Temperature 766 °C
1410 °F
Ar3
785 °C
1450 °F
Ar1
827 °C
1520 °F
Ac1
854 °C
1570 °F
Ac3
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