A681 Type H26 T20826 - ASTM A681-2008(R2015) - H2ABC

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Grade	A681 Type H26
USA UNS	T20826
AISI American Iron and Steel Institute	H26
Corresponding Standard	ASTM A681-2008(R2015) Standard Specification for Tool Steels Alloy
Classification	Tool Steel

A681 Type H26 Chemical Element Composition Content (%)

Component	C ^*	Si	Mn	P	S	Cr	W	V	More
Minimum Value	0.45	0.15	0.15	-	-	3.75	17.25	0.75	Ni+Cu≤0.75
Maximum Value	0.55	0.4	0.4	0.03	0.03	4.5	19	1.25	Ni+Cu≤0.75

A681 Type H26 Mechanical Properties

form	Heat Treatment or Condition	Hardness HBW
Bars, thick plates, thin plates, strips, rods, wires, forgings	Cold Drawing	BHN ≤262
Bars, thick plates, thin plates, strips, rods, wires, forgings	Annealing	BHN ≤241
Bars, thick plates, thin plates, strips, rods, wires, forgings	Heat Treatment	HRC ≥58

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