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Master Bond adhesives

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AISI Type A8 Tool Steel
Categories: Metal; Ferrous Metal; Tool Steel; Air-Hardening Steel; Cold Work Steel

Material Notes: High hardenability, high degree of dimensional stability in heat treatment, good wear resistance, fatigue life, toughness, and deep hardening qualities. Applications include cold forming, blanking and bending dies, forming rolls, drill bushings, knurling tools, master dies and gages.

Key Words: AISI Medium-Alloy, Air-Hardening Tool Steels A8, UNS T30108, ASTM A681, FED QQ-T-570
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Physical PropertiesOriginal ValueComments
Density 7.87 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell C 48 - 57
Bulk Modulus 160 GPaTypical for steels.
Machinability 65 %Based on Carbon tool steel.
Shear Modulus 80.0 GPaTypical for steels.
 
Processing PropertiesOriginal ValueComments
Processing Temperature 175 - 595 °CTempering Temperature
 980 - 1010 °CHardening Temperature
Annealing Temperature 845 - 870 °C
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.50 - 0.60 %
Chromium, Cr 5.13 %
Iron, Fe 90 %As Balance
Manganese, Mn <= 0.50 %
Molybdenum, Mo 1.4 %
Phosphorus, P <= 0.030 %
Silicon, Si 0.93 %
Sulfur, S <= 0.030 %
Tungsten, W 1.25 %

References for this datasheet.

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