A681 Type H41 T20841 - ASTM A681-2008(R2015)

Grade	A681 Type H41
USA UNS	T20841
AISI American Iron and Steel Institute	H41
Corresponding Standard	ASTM A681-2008(R2015) Standard Specification for Tool Steels Alloy
Classification	Tool Steel

A681 Type H41 Chemical Element Composition Content (%)

Component	C ^*	Si	Mn	P	S	Cr	Mo	W	V	More
Minimum Value	0.6	0.2	0.15	-	-	3.5	8.2	1.4	1	Ni+Cu≤0.75
Maximum Value	0.75	0.45	0.4	0.03	0.03	4	9.2	2.1	1.3	Ni+Cu≤0.75

A681 Type H41 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 ≤235
Bars, thick plates, thin plates, strips, rods, wires, forgings	Heat Treatment	HRC ≥60

A681TypeH41 Corresponding Standards(Same grade name, different standards)

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