Grade A600 T6
USA UNS T12006
AISI
American Iron and Steel Institute
T6
Corresponding Standard ASTM A600-1992(R2010)
Standard Specification for Tool Steel High Speed
Classification Alloy Steel
A600 T6 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo W V Co More
Minimum Value 0.75 0.2 0.2 - - 4 0.4 18.5 1.5 11 Ni+Cu≤ 0.75
Maximum Value 0.85 0.4 0.4 0.03 0.03 4.75 1 21 2.1 13
A600 T6 Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Bars, forgings, thick plates, thin plates, strip products Cold Drawing HB
≤321
Bars, forgings, thick plates, thin plates, strip products Cold Drawn and Annealed ≤311
Bars, forgings, thick plates, thin plates, strip products Annealing ≤302
Bars, forgings, thick plates, thin plates, strip products Heat Treatment HR
≥63

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