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Latrobe LSSâ„¢ H10A Modified

Category Metal , Ferrous Metal , Alloy Steel , Chrome-moly Steel , Tool Steel , Hot Work Steel
Manufacturer Latrobe Steel
Trade Name LSS™
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe LSSâ„¢ H10A Modified.pdf
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Material Notes:
TLS H10 Mod. hot work tool steel is a chromium-molybdenum H10-type hot work steel which contains cobalt for increased strength and resistance to softening at elevated temperature. This grade is also very resistant to thermal fatigue cracking (heat checking), and can be water cooled in service. TLS H10 Mod. is recommended for difficult hot work tooling applications such as hot punches, die casting dies, forging dies, hot shear blades, hot gripper dies, and extrusion tooling.Information Provided by Timken Latrobe Steel.Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Physical Properties Metric English Comments
Density 7.78 g/cc
0.281 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 32
32
Air Cooled from 1010°C; 650°C Temper Temperature
33
33
Oil Quenched from 1010°C; 650°C Temper Temperature
35
35
Air Cooled from 1066°C; 650°C Temper Temperature
35
35
Oil Quenched from 1066°C; 650°C Temper Temperature
54.5
54.5
Oil Quenched from 1010°C; 482°C Temper Temperature
55
55
Air Cooled from 1010°C; 482°C Temper Temperature
56.5
56.5
Air Cooled from 1066°C; 482°C Temper Temperature
59.5
59.5
Oil Quenched from 1066°C; 482°C Temper Temperature
Modulus of Elasticity 207 GPa
30000 ksi
Machinability 90 - 95 %
90 - 95 %
1% Carbon Steel
Thermal Properties Metric English Comments
CTE, linear 11.3 µm/m-°C

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

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

@Temperature 21.0 - 538 °C
7.50 µin/in-°F

@Temperature 69.8 - 1000 °F
Component Elements Properties Metric English Comments
Carbon, C 0.35 %
0.35 %
Chromium, Cr 3.3 %
3.3 %
Cobalt, Co 2.0 %
2.0 %
Iron, Fe 89.95 %
89.95 %
Manganese, Mn 0.30 %
0.30 %
Molybdenum, Mo 2.45 %
2.45 %
Silicon, Si 1.0 %
1.0 %
Vanadium, V 0.65 %
0.65 %
Chemical Properties Metric English Comments
Critical Temperature 830 °C
1530 °F
Ac1
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