Grade A600 M48
AISI
American Iron and Steel Institute
M48
Corresponding Standard ASTM A600-1992(R2010)
Standard Specification for Tool Steel High Speed
Classification Alloy Steel
A600 M48 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo W V Co More
Minimum Value 1.42 0.15 0.15 - - 3.5 4.75 9.5 2.75 8 Ni+Cu≤ 0.75
Maximum Value 1.52 0.4 0.4 0.03 0.07 4 5.5 10.5 3.25 10
A600 M48 Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Bars, forgings, thick plates, thin plates, strip products Cold Drawing HB
≤331
Bars, forgings, thick plates, thin plates, strip products Cold Drawn and Annealed ≤321
Bars, forgings, thick plates, thin plates, strip products Annealing ≤311
Bars, forgings, thick plates, thin plates, strip products Heat Treatment HR
≥66

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