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Latrobe LSS™ S1 Shock-Resisting Tool Steel (ASTM S1)

Category Metal , Ferrous Metal , Alloy Steel , Carbon Steel , Medium Carbon Steel , Tool Steel , Oil-Hardening 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 LSS™ S1 Shock-Resisting Tool Steel (ASTM S1).pdf
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Material Notes:
TLS S1 Shock-Resisting tool steel is a medium-carbon steel which combines moderate hardness with good impact toughness. It is a deep-hardening, oil-hardening steel designed for shock and impact loading applications. TLS S1 exhibits better resistance to abrasive wear than any of the other "S"-type shock-resisting steels. Typical applications include hand chisels, pneumatic tools, shear blades, mandrels, heavy duty punches, stamping dies, and machine parts.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 54.5
54.5
Air Cooled from 899°C, 30 minutes
56
56
Air Cooled from 927°C, 30 minutes
56.5
56.5
Air Cooled from 982°C, 30 minutes
Modulus of Elasticity 207 GPa
30000 ksi
Machinability 70 - 75 %
70 - 75 %
1% Carbon Steel
Charpy Impact 10.8 J
8.00 ft-lb
V-Notch; Oil Quenched from 954°C; 149°C Temper Temperature
29.8 J
22.0 ft-lb
V-Notch; Oil Quenched from 954°C; 625°C Temper Temperature
Thermal Properties Metric English Comments
CTE, linear 12.6 µm/m-°C

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

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

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

@Temperature 69.8 - 801 °F
Component Elements Properties Metric English Comments
Carbon, C 0.53 %
0.53 %
Chromium, Cr 1.35 %
1.35 %
Iron, Fe 95.37 %
95.37 %
Manganese, Mn 0.25 %
0.25 %
Silicon, Si 0.25 %
0.25 %
Tungsten, W 2.0 %
2.0 %
Vanadium, V 0.25 %
0.25 %
Chemical Properties Metric English Comments
Critical Temperature 730 °C
1350 °F
Ar3
774 °C
1430 °F
Ar1
777 °C
1430 °F
Ac1
823 °C
1510 °F
Ac3
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