A681 Type P3 T51603 - ASTM A681-2008(R2015)

Grade	A681 Type P3
USA UNS	T51603
AISI American Iron and Steel Institute	P3
Corresponding Standard	ASTM A681-2008(R2015) Standard Specification for 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	Ni+Cu≤0.75

A681 Type P3 Mechanical Properties

form	Heat Treatment or Condition	Hardness HBW
Bars, thick plates, thin plates, strips, rods, wires, forgings	Annealing	BHN ≤143

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