A681 Type A7 T30107 - ASTM A681-2008(R2015)

Grade	A681 Type A7
USA UNS	T30107
AISI American Iron and Steel Institute	A7
Corresponding Standard	ASTM A681-2008(R2015) Standard Specification for Tool Steels Alloy
Classification	Tool Steel

A681 Type A7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	W	V	More
Minimum Value	2	0.1	0.2	-	-	5	0.9	0.5	3.9	Ni+Cu≤0.75
Maximum Value	2.85	0.7	0.8	0.03	0.03	5.75	1.4	1.5	5.15	Ni+Cu≤0.75

A681 Type A7 Mechanical Properties

form	Heat Treatment or Condition	Hardness HBW
Bars, Thick Plates, Thin Plates, Strips, Rods, Wires, Forgings	Cold Drawing	BHN ≤285
Bars, Thick Plates, Thin Plates, Strips, Rods, Wires, Forgings	Annealing	BHN ≤269
Bars, Thick Plates, Thin Plates, Strips, Rods, Wires, Forgings	Heat Treatment	HRC ≥63

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!