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Latrobe TNWâ„¢ ASTM M10 High Speed Steel

Category Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel , Tool Steel
Manufacturer Latrobe Steel
Trade Name TNW™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe TNWâ„¢ ASTM M10 High Speed Steel.pdf
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Material Notes:
TNW is an M10 type high speed steel with a composition that combines the high toughness of a high-molybdenum steel and the excellent wear resistance provided by the 2% vanadium content. TNW is popular for twist drills, reamers, taps, router bits, end mills and similar cutting tools. Its good toughness makes it well suited for punches and other cold work tools that require high hardness and wear resistance.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 7.89 g/cc
7.89 g/cc
Density 7.89 g/cc
0.285 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 40.0

@Temperature 650 °C
40.0

@Temperature 1200 °F
Oil Quenched from 1218°C; 566°C Double Temper Temperature
60.5

@Temperature 316 °C
60.5

@Temperature 601 °F
Oil Quenched from 1218°C; 566°C Double Temper Temperature
65.0

@Temperature 22.0 °C
65.0

@Temperature 71.6 °F
Oil Quenched from 1218°C; 566°C Double Temper Temperature
Modulus of Elasticity 207 GPa
30000 ksi
Machinability 50 - 55 %
50 - 55 %
1% Carbon Steel
Izod Impact Unnotched 47.5 J
35.0 ft-lb
Oil Quenched at 1218°C; 482°C Temper Temperature
58.3 J
43.0 ft-lb
Oil Quenched at 1218°C; 566°C Temper Temperature
59.7 J
44.0 ft-lb
Oil Quenched at 1218°C; 622°C Temper Temperature
73.2 J
54.0 ft-lb
Oil Quenched at 1163°C; 482°C
88.1 J
65.0 ft-lb
Oil Quenched at 1163°C; 622°C
107 J
79.0 ft-lb
Oil Quenched at 1163°C; 594°C
Thermal Properties Metric English Comments
CTE, linear 10.79 µm/m-°C

@Temperature 38.0 - 260 °C
5.994 µin/in-°F

@Temperature 100 - 500 °F
12.58 µm/m-°C

@Temperature 38.0 - 649 °C
6.989 µin/in-°F

@Temperature 100 - 1200 °F
Component Elements Properties Metric English Comments
Carbon, C 0.87 %
0.87 %
Chromium, Cr 4.0 %
4.0 %
Iron, Fe 84.63 %
84.63 %
Manganese, Mn 0.30 %
0.30 %
Molybdenum, Mo 8.0 %
8.0 %
Silicon, Si 0.30 %
0.30 %
Vanadium, V 1.9 %
1.9 %
Chemical Properties Metric English Comments
Critical Temperature 774 °C
1430 °F
Ar3
804 °C
1480 °F
Ar1
830 °C
1530 °F
Ac1
857 °C
1570 °F
Ac3
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