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Latrobe LSSâ„¢ D7 Tool Steel (ASTM D7)

Category Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel , Tool Steel , Air-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 LSSâ„¢ D7 Tool Steel (ASTM D7).pdf
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Material Notes:
TLS D7 tool steel is a high-carbon, high-chromium air-hardening tool steel that exhibits exceptional wear resistance. The high carbon and vanadium contents result in numerous, hard vanadium carbide particles in the steel. These carbides exhibit a hardness that is equivalent to approximately 80 to 85 Rockwell C. TLS D7 tool steel resists wear from sliding contact with other steels as well as from contact with dry and wet slurries of hard abrasive particles such as sand, shot blast media, and ceramics. Typical applications include brick mold liners, briquetting dies, shot blasting equipment liners, tools for ceramic extrusion and molding, powder compaction tooling, deep drawing dies, flattening rolls, and machine tool ways.Information Provided by Timken Latrobe Steel.Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Mechanical Properties Metric English Comments
Hardness, Rockwell C 62.5
62.5
Air Cooled from 982°C, 30 minutes
64
64
Air Cooled from 1149°C, 30 minutes
65.5
65.5
Air Cooled from 1038°C, 30 minutes
66
66
Air Cooled from 1093°C, 30 minutes
Machinability 30 - 35 %
30 - 35 %
1% Carbon Steel
Izod Impact Unnotched 21.7 J
16.0 ft-lb
Air Cooled from 1038°C; As Quenched
24.4 J
18.0 ft-lb
Air Cooled from 1010°C; As Quenched
35.3 J
26.0 ft-lb
Air Cooled from 1038°C; 593°C Temper Temperature
38.0 J
28.0 ft-lb
Air Cooled from 1010°C; 593°C Temper Temperature
Component Elements Properties Metric English Comments
Carbon, C 2.3 %
2.3 %
Chromium, Cr 12.5 %
12.5 %
Iron, Fe 79.3 %
79.3 %
Manganese, Mn 0.40 %
0.40 %
Molybdenum, Mo 1.1 %
1.1 %
Silicon, Si 0.40 %
0.40 %
Vanadium, V 4.0 %
4.0 %
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