Grade A681 Type P3
USA UNS T51603
AISI
American Iron and Steel Institute
P3
Corresponding Standard ASTM A681-2024
Tool Steels Alloy
Classification Tool Steel
A681 Type P3 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni More
Minimum Value - - 0.2 - - 0.4 1 Ni+Cu≤0.75
Maximum Value 0.1 0.4 0.6 0.03 0.03 0.75 1.5
A681 Type P3 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
condition of delivery Annealing BHN
≤143
A681TypeP3 Corresponding Standards(Same grade name, different standards)

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