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Latrobe Graph-Air® Cold Work Tool Steel (ASTM A10)

Category Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel , Tool Steel , Cold Work Steel
Manufacturer Latrobe Steel
Trade Name Graph-Air®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe Graph-Air® Cold Work Tool Steel (ASTM A10).pdf
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Material Notes:
Graph-Air tool steel is an air-hardening, graphitic tool steel with outstanding resistance to metal-to-metal sliding wear and galling. The steel contains a uniform dispersion of graphite particles which impart excellent machinability and non-seizing characteristics. The graphite particles make the steel self-lubricating in dry environments, and help to retain oil in lubricated environments. Graph-Air tool steel can be hardened to over 60 Rockwell C from a relatively low hardening temperature, which minimizes size change and distortion during heat treatment. Typical applications include thread gauges, master gages, cams, bushings, sleeves, meat granulator plates, arbors, forming rolls, shear blades, punches, dies, bar feed guides and other machine tool 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 7.68 g/cc
7.68 g/cc
Density 7.67 g/cc
0.277 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 61
61
5 in thickness; Air Cooled from 816°C, 120 minutes
62
62
3 in thickness; Air Cooled from 802°C, 60 minutes
63
63
2 in thickness; Air Cooled from 788°C, 45 minutes
Modulus of Elasticity 207 GPa
30000 ksi
Machinability 85 - 90 %
85 - 90 %
1% Carbon Steel
Izod Impact Unnotched 24.4 J
18.0 ft-lb
Air Cooled from 788°C; 94°C Temper Temperature
163 J
120 ft-lb
Air Cooled from 788°C; 594°C Temper Temperature
Thermal Properties Metric English Comments
CTE, linear 13.25 µm/m-°C

@Temperature 24.0 - 204 °C
7.361 µin/in-°F

@Temperature 75.2 - 399 °F
Component Elements Properties Metric English Comments
Carbon, C 0.94 %
0.94 %
Chromium, Cr 0.50 %
0.50 %
Iron, Fe 96.56 %
96.56 %
Manganese, Mn 1.2 %
1.2 %
Silicon, Si 0.30 %
0.30 %
Tungsten, W 0.50 %
0.50 %
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