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Latrobe LSSâ„¢ S5 Shock-Resisting Tool Steel (ASTM S5)

Category Metal , Ferrous Metal , Alloy Steel , Tool 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„¢ S5 Shock-Resisting Tool Steel (ASTM S5).pdf
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Material Notes:
TLS S5 Shock-Resisting tool steel is a silicon-manganese tool steel which exhibits the highest impact toughness among all of the "S" type steels. The high toughness and the ability to be hardened to 62 Rockwell C make TLS S5 an excellent choice for applications which require higher strength than S7 shock-resisting tool steel. The steel is typically hardened using an oil quench, but for simple geometries, the steel may be water quenched. Typical applications include pneumatic tools, shear blades, mandrels, heavy-duty punches, and stamping dies.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 7.75 g/cc
7.75 g/cc
Density 7.75 g/cc
0.280 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 50
50
Oil Quenched from 816°C, 30 minutes
52
52
Water Quenched from 816°C, 30 minutes
57
57
Oil Quenched from 871°C, 30 minutes
59
59
Water Quenched from 871°C, 30 minutes
61
61
Oil Quenched from 954°C, 30 minutes
62
62
Water Quenched from 954°C, 30 minutes
Modulus of Elasticity 207 GPa
30000 ksi
Machinability 65 - 70 %
65 - 70 %
1% Carbon Steel
Charpy Impact 10.8 J
8.00 ft-lb
V-Notch; Oil Quenched from 927°C; 200°C Temper Temperature
20.3 J
15.0 ft-lb
V-Notch; Oil Quenched from 927°C; 600°C Temper Temperature
Thermal Properties Metric English Comments
CTE, linear 12.6 µm/m-°C

@Temperature 21.0 - 427 °C
7.00 µin/in-°F

@Temperature 69.8 - 801 °F
13.7 µm/m-°C

@Temperature 21.0 - 659 °C
7.61 µin/in-°F

@Temperature 69.8 - 1220 °F
Component Elements Properties Metric English Comments
Carbon, C 0.60 %
0.60 %
Chromium, Cr 0.18 %
0.18 %
Iron, Fe 95.79 %
95.79 %
Manganese, Mn 0.90 %
0.90 %
Molybdenum, Mo 0.35 %
0.35 %
Silicon, Si 1.9 %
1.9 %
Vanadium, V 0.28 %
0.28 %
Chemical Properties Metric English Comments
Critical Temperature 766 °C
1410 °F
Ac1
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