IFI-8637 - ASTM F2282-2018

Grade	IFI-8637
Corresponding Standard	ASTM F2282-2018 Quality Assurance Requirements for Carbon and Alloy Steel Wire, Rods, and Bars for Mechanical Fasteners
Classification	Alloy Steel

IFI-8637 Chemical Element Composition Content (%)

Component	C	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.35	0.75	-	-	0.4	0.4	0.15
Maximum Value	0.4	1	0.02	0.02	0.6	0.7	0.25

IFI-8637 Mechanical Properties

	Tensile Strength σ_b ksi	Reduction of Area ψ %
Bars, rods; Annealed	≤92	≥53
Bars, rods; Spheroidized annealing	≤85	≥55
Wire; Spheroidized annealing after processing (SAFS)	≤82	≥57
Wire rod; Annealed in process (AIP)	≤102	≥51
Wire rod; spheroidizing annealed during processing (SAIP)	≤92	≥53

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