IFI-4118 - ASTM F2282-2018

Grade	IFI-4118
Corresponding Standard	ASTM F2282-2018 Quality Assurance Requirements for Carbon and Alloy Steel Wire, Rods, and Bars for Mechanical Fasteners
Classification	Alloy Steel

IFI-4118 Chemical Element Composition Content (%)

Component	C	Mn	P	S	Cr	Mo
Minimum Value	0.18	0.7	-	-	0.4	0.08
Maximum Value	0.23	0.9	0.02	0.02	0.6	0.15

IFI-4118 Mechanical Properties

	Tensile Strength σ_b ksi	Reduction of Area ψ %
Bars, rods; Annealed	≤76	≥60
Bars, rods; Spheroidized annealing	≤71	≥61
Wire; Spheroidized annealing after processing (SAFS)	≤68	≥64
Wire rod; Annealed in process (AIP)	≤84	≥58
Wire rod; spheroidizing annealed during processing (SAIP)	≤76	≥59

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