A681 Type F1 T60601 - ASTM A681-2024

Grade	A681 Type F1
USA UNS	T60601
AISI American Iron and Steel Institute	F1
Corresponding Standard	ASTM A681-2024 Tool Steels Alloy
Classification	Tool Steel

A681 Type F1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	W	More
Minimum Value	0.95	0.1	-	-	-	1	Ni+Cu≤0.75
Maximum Value	1.25	0.5	0.5	0.03	0.03	1.75	Ni+Cu≤0.75

A681 Type F1 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
condition of delivery	Cold Drawing	BHN ≤241
condition of delivery	Annealing	BHN ≤207
specimen	Preheat at 649±14 ℃, heat at 843±5.6℃(controllable atmosphere) or 829℃(salt bath), hold for 5 to 15 min, brine cool. Temper at 204±5.6℃ once for 2 h	HRC ≥64

Approximate Comparison Table Alloy Tool Steel 3

A681TypeF1 Corresponding Standards(Same grade name, different standards)

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